EE-RM-STD-00-100 COMMENT 07DD

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Sri m Somasunda m 

DOE Workshop 

July 11, 2000 

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Sri m Somasunda m 

DOE Workshop 

July 11, 2000 

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EE-RM-STD-00-100 COMMENT 07DD EE-RM

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• EPCA - 1992 efficiency levels based on ASHRAE 

Standard 90.1-1989 

• EP ACT set a triggering mechanism for updating 

levels following revisions to Standard 90.1-1989 

• ASHRAE updated efficiency levels using a LCC

analysis (1994) with industry-supplied cost-effic

curves and negotiated consensus process 

• Most of the efficiency level increases in Std. 90.1

have occurred on the cooling equipment categor

EE-RM

r 

• EPCA - 1992 efficiency levels based on ASHRAE 

Standard 90.1-1989 

• EP ACT set a triggering mechanism for updating 

levels following revisions to Standard 90.1-1989 

• ASHRAE updated efficiency levels using a LCC

analysis (1994) with industry-supplied cost-effic

curves and negotiated consensus process 

• Most of the efficiency level increases in Std. 90.1

have occurred on the cooling equipment categor
EE-RM-STD-00-100 COMMENT 07DD EE .. R

I 

• DOE analysis builds on approach used fo

ASHRAE 90.1-1999 analysis 

- More recent cost data (first cost and relative cos

for boilers) 

- Different discount rates (70/0 versus 120/0) - Greater variety of building prototypes (7 v

- More disaggregated fuel prices (by sub-cens

division) 

• The results indicate that, for some produc

there is potential for significant additiona

energy savings 

EE .. R

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• DOE analysis builds on approach used fo

ASHRAE 90.1-1999 analysis 

- More recent cost data (first cost and relative cos

for boilers) 

- Different discount rates (70/0 versus 120/0) - Greater variety of building prototypes (7 v

- More disaggregated fuel prices (by sub-cens

division) 

• The results indicate that, for some produc

there is potential for significant additiona

energy savings 
EE-RM-STD-00-100 COMMENT 07DD EE-R

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Question: Why are analysis results for life-cycle-cost based equipment efficiency levels different 

between 

• ASHRAE 90.1-1999 (as of publication) 

• ASHRAE Analysis Results (90.1-1999 work circa 1994) • DOE Screening Analysis (circa 2000). 

D'fli I erences Btw e een A I nalvses 

Difference ASHRAE AnalySis DOE Screenin!! Analvsis 

First Cost Data for 1994 data gathered by the committee members 1999 data gathered by Industry Consultant and PNNL 

Equipment 

Relative Cost vs. 1994 data collected by ART from industry and Cooling: 1994 data collected by ARI from industry an

Efficiency Curves provided for ASHRAE 90.1 process 90.l process. Some extensions made to higher efficien

products categories based on extrapolation of ARI cur

Heating: Furnace data from 1994 GAMA input to ASH

data from 1995 PNNL contractor cost survey. 

Water Heating: Water heating data derived primarily f

contractor cost survev 

Economic Based on ASHRAE Scalar Ratio of8 (source: 90.1 Based on Discount Rate of7% and time-varying regio

Assumptions Criteria Development subcommittee circa 1992) division) electric cost escalation rates (30 year U.S. av

corresponding to a discount rate of 12 % and fuel cost natural gas cost escalation rate of 0% (source: 30 yr p

escalation rate ofO%(real) 

Fuel Cost Based on national average electricity cost estimated at Based on regional (augmented census division) electri

Assumptions $0.08/kWh (based on work done by ASHRAE 90.1 $0.05/kWh (Pacific Northwest) to $0.098/kWh (North

criteria development subcommittee circa 1992), (source: EIA)' 

Analysis Approach: National average FLEOH calculated for each FLEOH and resultant life-cycle cost calculated for eac

Basis and Full Load equipment category based on construction volume of within each building type and census division and wei

Equivalent Operating office and retail FLEOH National average FLEOH (construction volume and bu

Hours analvsis of LCC for each efficiencv level orovided as 

EE-R

I !III I ti 

Question: Why are analysis results for life-cycle-cost based equipment efficiency levels different 

between 

• ASHRAE 90.1-1999 (as of publication) 

• ASHRAE Analysis Results (90.1-1999 work circa 1994) • DOE Screening Analysis (circa 2000). 

D'fli I erences Btw e een A I nalvses 

Difference ASHRAE Analvsis DOE Screeninl! Analvsis 

First Cost Data for 1994 data gathered by the committee members 1999 data gathered by Industry Consultant and PNNL 

Eauioment 

Relative Cost vs. 1994 data collected by ART from industry and Cooling: 1994 data collected by ARI from industry an

Efficiency Curves provided for ASHRAE 90.1 process 90.l process. Some extensions made to higher efficien

products categories based on extrapolation of ARI cur

Heating: Furnace data from 1994 GAMA input to ASH

data from 1995 PNNL contractor cost survey. 

Water Heating: Water heating data derived primarily f

contractor cost survev 

Economic Based on ASHRAE Scalar Ratio of8 (source: 90.1 Based on Discount Rate of7% and time-varying regio

Assumptions Criteria Development subcommittee circa 1992) division) electric cost escalation rates (30 year U.S. av

corresponding to a discount rate of 12 % and fuel cost natural gas cost escalation rate of 0% (source: 30 yr p

escalation rate ofO%(real) 

Fuel Cost Based on national average electricity cost estimated at Based on regional (augmented census division) electri

Assumptions $0.08/kWh (based on work done by ASHRAE 90.1 $0.05/kWh (Pacific Northwest) to $0.098/kWh (North

criteria develooment subcommittee circa 1992). (source: EIA). 

Analysis Approach: National average FLEOH calculated for each FLEOH and resultant life-cycle cost calculated for eac

Basis and Full Load equipment category based on construction volume of within each building type and census division and wei

Equivalent Operating office and retail FLEOH National average FLEOH (construction volume and bu

Hours analvsis of LCC for each efficiencv level provided as 
EE-RM-STD-00-100 COMMENT 07DD

Analysis Approach: 

Building Types 

Analysis Approach: 

Building Types 

What was done with 

the analysis? 

I III! I 

( 

Two building types (Office and Retail) 

• • 

• 

Schedules and load data based on 90.1-1989 

assumptions with modifications by 

ASHRAE 90.1 mechanical subcommittee 

Both buildings modeled were 3 stories, 

48,000 fl in size 

Both Office and Retail buildings modeled 

with 20% window-to-wall (WWR) ratio. 

Economizer assumed for systems with capacity greater 

than 7.5 tons, no economizer otherwise. Setback assumed 

for equipment based on 90.1 controls requirement 

Results from analysis provided to 90.1 committee. ARI 

provided a review of analysis results with suggested 

modifications based on HV AC industry suggestions (circa 

1994, See Documentation of ARI letter). ARI proposed 

modifications accepted by 90.1 committee. Some minor 

modifications in 90.1 committee later on to deal with 

change in test procedures for water-source/ground-water 

source/ground-source heat pumps moving to ISO standard 

EE-R

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t' ) 

Seven building types (Office, Retail, Education, 

Lodging, Food Service) 

• Schedules and load data based on 90.1-1

modifications based on metered comme

CBECS observations (modeling data pro

committee in DOE Preliminary Finding

• Both buildings modeled were 3 stories, 

loads for all building types were scaled 

sizes for each category. 

• Building WWR varied by building type 

or 20% depending on building type and 

Findings review ofCBECS92) 

Economizer and setback usage weighted using C

building type (most buildings report using econo

variation by system capacity 

Results from DOE screening analysis of HVAC p

on validity of cost-effective efficiency level for H

assessment of national energy savings potential t

3) a review of potential issues in setting manufac

covered products. 

Analysis Approach: 

Building Types 

Analysis Approach: 

Building Types 

What was done with 

the analysis? 

I III! I 

( 

Two building types (Office and Retail) 

• • 

• 

Schedules and load data based on 90.1-1989 

assumptions with modifications by 

ASHRAE 90.1 mechanical subcommittee 

Both buildings modeled were 3 stories, 

48,000 fl in size 

Both Office and Retail buildings modeled 

with 20% window-to-wall (WWR) ratio. 

Economizer assumed for systems with capacity greater 

than 7.5 tons, no economizer otherwise. Setback assumed 

for equipment based on 90.1 controls requirement 

Results from analysis provided to 90.1 committee. ARI 

provided a review of analysis results with suggested 

modifications based on HV AC industry suggestions (circa 

1994, See Documentation of ARI letter). ARI proposed 

modifications accepted by 90.1 committee. Some minor 

modifications in 90.1 committee later on to deal with 

change in test procedures for water-source/ground-water 

source/ground-source heat pumj2s moving to ISO standard 

EE-R

ti 

t' ) 

Seven building types (Office, Retail, Education, 

Lodging, Food Service) 

• Schedules and load data based on 90.1-1

modifications based on metered comme

CBECS observations (modeling data pro

committee in DOE Preliminary Finding

• Both buildings modeled were 3 stories, 

loads for all building types were scaled 

sizes for each category. 

• Building WWR varied by building type 

or 20% depending on building type and 

Findings review ofCBECS92) 

Economizer and setback usage weighted using C

building type (most buildings report using econo

variation by system capacity 

Results from DOE screening analysis of HVAC p

on validity of cost-effective efficiency level for H

assessment of national energy savings potential t

3) a review of potential issues in setting manufac

covered products. 
EE-RM-STD-00-100 COMMENT 07DD

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• Analyzed 22 cooling eqpt. categories inclu

3-phase residential size eqpt., air- and wat

cooled unitary eqpt., and package termina

and hlp (PTAC and PTHP) 

• Analyzed 10 heating eqpt. categories inclu

boilers and furnaces 

• . Analyzed 7 water heating eqpt. categories 

including storage and instantaneous wate

heaters 

r 

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• Analyzed 22 cooling eqpt. categories inclu

3-phase residential size eqpt., air- and wat

cooled unitary eqpt., and package termina

and hlp (PTAC and PTHP) 

• Analyzed 10 heating eqpt. categories inclu

boilers and furnaces 

• . Analyzed 7 water heating eqpt. categories 

including storage and instantaneous wate

heaters 
EE-RM-STD-00-100 COMMENT 07DD EE-

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Generic Building BLAST Model 

Spreadsheets 

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Generic Building BLAST Model 

Spreadsheets 
EE-RM-STD-00-100 COMMENT 07DD

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-Typical space cooling and heating load profile

seven representative building types 

-Assembly, Retail, Office, Education, Food Servic

Lodging and Warehouse 

-These seven building types account for 78% o

total commercial building energy use 

-Building characteristics were derived mostly f

C S data to represent existing buildings 

il i l1li I r 

-Typical space cooling and heating load profile

seven representative building types 

-Assembly, Retail, Office, Education, Food Servic

Lodging and Warehouse 

-These seven building types account for 78% o

total commercial building energy use 

-Building characteristics were derived mostly f

C CS data to represent existing buildings 
EE-RM-STD-00-100 COMMENT 07DD !!II rl r ft 

iti !!II I 

• Internal gains from lights and equipment 

-Modified ASHRAE 90.1-1989 Schedules 

-Peak lighting densities based on projections for 201

-Peak equipment densities based on ASHRAE 90.1-

ELCAP, utilities and other metering studies 

• Envelop characteristics 

-WWRs varied by building type based on CBECS d

-R-value for walls and roofs/ceilings also based on C

data 

• Ventilation requirements 

-Based on ASHRAE Standard 62-1989 (15 - 20 cfm

!!II rl r ft 

iti !!II I 

• Internal gains from lights and equipment 

-Modified ASHRAE 90.1-1989 Schedules 

-Peak lighting densities based on projections for 201

-Peak equipment densities based on ASHRAE 90.1-

ELCAP, utilities and other metering studies 

• Envelop characteristics 

-WWRs varied by building type based on CBECS d

-R-value for walls and roofs/ceilings also based on C

data 

• Ventilation requirements 

-Based on ASHRAE Standard 62-1989 (15 - 20 cfm
EE-RM-STD-00-100 COMMENT 07DD r t ti Ii t 

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EE-RM-STD-00-100 COMMENT 07DD

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• Inputs 

- Different efficiency levels analyze

- First cost for the baseline efficien

- Relative cost versus efficiency da

• Outputs 

- Potential Energy Savings 

- LCC, National Net Present Value 

- Reduction in C02 emissions 

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• Inputs 

- Different efficiency levels analyze

- First cost for the baseline efficien

- Relative cost versus efficiency da

• Outputs 

- Potential Energy Savings 

- LCC, National Net Present Value 

- Reduction in C02 emissions 
EE-RM-STD-00-100 COMMENT 07DD Screening Analysis 

Results 

Product Category 

3-Phase Single Package Air Source AC <65 kBtu/h 

Central Air Source AC 135 - 240 kBtu/h 

Packaged Terminal Air Conditioners 

3-Phase Split Air Source AC <65 kBtu/h 

Packaged Terminal Heat Pumps 

Small Gas-Fired Boilers #2.5 mmBtu 

3-Phase Single Package Air Source HP <65 kBtu/h 

Tankless Gas Instantaneous Water Heaters 

Large Gas-Fired Boilers >2.5 mmBtu 

3-Phase Split Air Source HP <65 kBtu/h 

Central, Water Source HP 17 - 65 kBtu/h Central Air Source HP 135 - 240 kBtu/h 

Electric Water Heater (120 gal) 

Central Water Cooled AC 65 - 135 kBtu/h 

Central Water Cooled AC 135 - 240 kBtu/h Central Air Source AC 65 - 135 kBtu/h 

Central Air Source HP 65 - 135 kBtu/h Central Water Cooled AC <65 kBtu/h Central Water Source HP <17 kBtu/h Central Water Source HP 65 - 135 kBtu/h 

Gas-Fired Warm Air Furnaces $225 kBtu/h Gas Storage Water Heaters #155 kBtu/h 

Gas Storage Water Heaters >155 kBtu/h 

Instantaneous Gas Water Heaters with Tanks 

............ .' .-:' 

.. 

Efficiency Relative to ASH RAE 90.1-

Level at National National Nation

Minimum Energy Total NPV Em

Life-Cycle Savings (Millions of Red

Cost (TBtu) 1998 $'s) (Millio

12 1,412.70 897.70 

10.4 428.8 417.9 10.5 311.7 274.7 

11 278.6 109.1 

9.9 249 241.9 

78.70% 200 146 

12 183.6 91.3 

81.50% 102 45.3 

85.3%* 79 86.6 

12 66.4 47 

12.5 65 23 

10.4 31.4 3.2 

1 6.6 1.1 

12.4 2.7 0.8 

11.5 2.5 3 

10.3 0 0 

10.1 0 0 12.1 0 0 

11.2 0 0 

12 0 0 

77.50% 0 0 

80.00% 0 0 80.40% 0 0 80.00% 0 0 

Screening Analysis 

Results 

Product Category 

3-Phase Single Package Air Source AC <65 kBtu/h 

Central Air Source AC 135 - 240 kBtu/h 

Packaged Terminal Air Conditioners 

3-Phase Split Air Source AC <65 kBtu/h 

Packaged Terminal Heat Pumps 

Small Gas-Fired Boilers #2.5 mmBtu 

3-Phase Single Package Air Source HP <65 kBtu/h 

Tankless Gas Instantaneous Water Heaters 

Large Gas-Fired Boilers >2.5 mmBtu 

3-Phase Split Air Source HP <65 kBtu/h 

Central, Water Source HP 17 - 65 kBtu/h Central Air Source HP 135 - 240 kBtu/h 

Electric Water Heater (120 gal) 

Central Water Cooled AC 65 - 135 kBtu/h 

Central Water Cooled AC 135 - 240 kBtu/h Central Air Source AC 65 - 135 kBtu/h 

Central Air Source HP 65 - 135 kBtu/h Central Water Cooled AC <65 kBtu/h Central Water Source HP <17 kBtu/h Central Water Source HP 65 - 135 kBtu/h 

Gas-Fired Warm Air Furnaces $225 kBtu/h Gas Storage Water Heaters #155 kBtu/h 

Gas Storage Water Heaters >155 kBtu/h 

Instantaneous Gas Water Heaters with Tanks 

............ .' .-:' 

.. 

Efficiency Relative to ASH RAE 90.1-

Level at National National Nation

Minimum Energy Total NPV Em

Life-Cycle Savings (Millions of Red

Cost (TBtu) 1998 $'s) (Millio

12 1,412.70 897.70 

10.4 428.8 417.9 10.5 311.7 274.7 

11 278.6 109.1 

9.9 249 241.9 

78.70% 200 146 

12 183.6 91.3 

81.50% 102 45.3 

85.3%* 79 86.6 

12 66.4 47 

12.5 65 23 

10.4 31.4 3.2 

1 6.6 1.1 

12.4 2.7 0.8 

11.5 2.5 3 

10.3 0 0 

10.1 0 0 12.1 0 0 

11.2 0 0 

12 0 0 

77.50% 0 0 

80.00% 0 0 80.40% 0 0 80.00% 0 0 
EE-RM-STD-00-100 COMMENT 07DD

r t at ri s n t incl e 

in t e III cr enl 

The products and per rmance characterist

that were not analyzed fall into groups as fo

• Heating coefficients of performance (COP) and heati

seasonal performance factors (HSPF) for all heat pum

categories; 

• Efficiencies of water-cooled air conditioners and heat 

with capacities between 65 kBtu/h and 135 kBtu/h; 

• Evaporatively cooled air-conditioning products; • Oil-fired warm air furnaces, storage and instantaneou

heaters, and packaged boilers; and 

• Unfired hot water storage tanks 

r uct ate 

i th cr 

t i clu 

al sis 

he products and performance characterist

that were not analyzed fall into groups as fo

• Heating coefficients of performance (COP) and heati

seasonal performance factors (HSPF) for all heat pum

categories; 

• Efficiencies of water-cooled air conditioners and heat 

with capacities between 65 kBtu/h and 135 kBtu/h; 

• Evaporatively cooled air-conditioning products; • Oil-fired warm air furnaces, storage and instantaneou

heaters, and packaged boilers; and 

• Unfired hot water storage tanks 
EE-RM-STD-00-100 COMMENT 07DD

r ct 

in th 

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n t i lu 

nalysis 

The reasons for not analyzing these produc

• Insufficient data describing baseline energy consump

cost-efficiency relationships 

• Small markets for the products in question 

• Lack of product shipment data 

• Heating COP and HSPF for all heat pump product ca

lack of a suitable methodology to distinguish their he

function from that of supplemental heat sources 

r uct te ri s n t incl 

l1li i t e r In al si 

The reasons for not analyzing these produc

• Insufficient data describing baseline energy consump

cost-efficiency relationships 

• Small markets for the products in question 

• Lack of product shipment data 

• Heating COP and HSPF for all heat pump product ca

lack of a suitable methodology to distinguish their he

function from that of supplemental heat sources 
EE-RM-STD-00-100 COMMENT 07DD

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EE-RM-STD-00-100 COMMENT 07DD EE-RM

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Cooling Equipment Efficiency Comparison 

Equipment Equipment EPCA EPCA Effi

Category Subcategory Section Date 

EPCA 

1992 

AC/HP <65 Cooling Eff. 

Air Cooled 342 (a) (1) (A) SEER 10.0 

3 Phase, Central Heating Eff. HSPF 6.8 

Split System 342 (a) (1) (D) 1/1/94 

Small AC/HP <65 Cooling Eff. 

Commercial Air Cooled 342 (a) (1) (8) SEER 9.7 

Packaged Air 3 Phase, Central Heating Eft. HSPF 6.6 

Conditioning and Single PackaQe 342 (a) (1) (E) 1/1/94 

Heating Equipment Cooling Eff. 

AC/HP 65 - 135 342 (a) (1) (C) EER 8.9 

Air Cooled Heating Eff. COP 3.0 

Central 342 (a) (1) (F) 1/1/94 

AC/HP <65 Cooling Eff. 

Water Cooled 342 (a) (1) (G) EER 9.3 

Evap. Cooled Heating Eff. COP 3.8 

Water-Source Water-Source only 

Central 342 (a) (1) (I) 1/1/94 

AC/HP 65 - 135 Cooling Eff. 

Water Cooled 342 (a) (1) (H) EER 10.5 

Evap. Cooled Heating Eff. COP 3.8 

Water-Source Water-Source only 

Central 342 (a) (1) (I) 1/1/94 

Cooling Eff. 

AC/HP 135 - 240 342 (a) (2) (A) EER 8.5 

Large Air Cooled Heating Eft. COP 2.9 

Commercial Central 342 (a) (2) (8) 1/1/95 

Packaged Air AC/HP 135 - 240 Cooling Eff. 

Conditioning and Water Cooled 342 (a) (2) (A) EER 9.6 

Heating Equipment Evap. Cooled No Heating Eff. 

Central Requirement 1/1/95 

Packaged Cooling Eff. EER varies by 

Terminal Air PTAC/PTHP 342 (a) (3) (A) capacity 

Conditioners and (Air Cooled) Heating Eff. COP varies by 

Heat Pumps 342 (a) (3) (8) 1/1194 capacity 

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Cooling Equipment Efficiency Comparison 

Equipment Equipment EPCA EPCA Effi

Category Subcategory Section Date 

EPCA 

1992 

AC/HP <65 Cooling Eff. 

Air Cooled 342 (a) (1) (A) SEER 10.0 

3 Phase, Central Heating Eff. HSPF 6.8 

Split System 342 (a) (1) (D) 1/1/94 

Small AC/HP <65 Cooling Eff. 

Commercial Air Cooled 342 (a) (1) (8) SEER 9.7 

Packaged Air 3 Phase, Central Heating Eft. HSPF 6.6 

Conditioning and Single Package 342 (a) (1) (E) 1/1/94 

Heating Equipment Cooling Eff. 

AC/HP 65 - 135 342 (a) (1) (C) EER 8.9 

Air Cooled Heating Eff. COP 3.0 

Central 342 (a) (1) (F) 1/1/94 

AC/HP <65 Cooling Eff. 

Water Cooled 342 (a) (1) (G) EER 9.3 

Evap. Cooled Heating Eff. COP 3.8 

Water-Source Water-Source only 

Central 342 (a) (1) (I) 1/1/94 

AC/HP 65 - 135 Cooling Eft. 

Water Cooled 342 (a) (1) (H) EER 10.5 

Evap. Cooled Heating Eff. COP 3.8 

Water-Source Water-Source only 

Central 342 (a) (1) (I) 1/1/94 

Cooling Eff. 

AC/HP 135 - 240 342 (a) (2) (A) EER 8.5 

Large Air Cooled Heating Eft. COP 2.9 

Commercial Central 342 (a) (2) (8) 1/1/95 

Packaged Air AC/HP 135 - 240 Cooling Eff. 

Conditioning and Water Cooled 342 (a) (2) (A) EER 9.6 

Heating Equipment Evap. Cooled No Heating Eff. 

Central Requirement 1/1/95 

Packaged Cooling Eff. EER varies by 

Terminal Air PTAC/PTHP 342 (a) (3) (A) capacity 

Conditioners and (Air Cooled) Heating Eff. COP varies by 

Heat Pumps 342 (a) (3) (8) 1/1194 capacity 
EE-RM-STD-00-100 COMMENT 07DD

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Heating Equipment Efficiency Comparison 

Equpment Equpment EPCA EPCA Effic

Category Subategory Section Date 

EPCA 

1992 

Gas Fired Eff. Thermal Efficienc

2:225,000 342 (a) (4) (A) 80% Gas 

Warm Air Gas Fired Oil Fired Eff. 81% Oil 

Furnaces Oil Fired 342 (a) (4) (A) 1/1/94 

Gas Fired Eff. Combustion 

2:300,000 342 (a) (4) (C) Efficiency' 

Package Boilers Gas Fired Oil Fired Eff. 80% Gas 

Oil Fired 342 (a) (4) (D) 1/1/94 83% Oil 

Storage Water Electric Standby Loss Varies by Volume 

Heaters 342 (a) (5) (A) 1/1/94 

Thermal Efficienc

<155,000 and V:S:140 Thermal Eff. 78% 

gal And Standby Loss Standby Loss 

342 (a) (5) (B) 1/1/94 Varies by Volume 

Thermal Efficienc

>155,000 and V:S:140 Thermal Eff. 78% 

gal And Standby Loss Standby Loss 

342 (a) (5) (C) 1/1/94 Varies by Volume 

V<10 gal Thermal Eff. Thermal Eff. 

Instantaneous 342 (a) (5) (D) 1/1/94 80% 

Instantaneous Thermal Eff. Thermal Eff. 77% 

10 gal :S: V :S:140 gal And Standby Loss Standby Loss 

Water Heaters Instantaneous 342 (a) (5) (E) 1/1/94 Varies by Volume 

V :S:140 gal Heat Loss Heat Loss 

Unfired 342 (a) (5) (F) 1/1/94 6.5 Btu/hr/ft2 

Storage Tanks Storage Water R-12.5 

Heaters and Storage Prescriptive liD 

Tanks >140 gal 342 (a) (5) (G) 1/1/94 

'Rating procedure is technically a combustion efficiency rating 

'*No effective change in standby loss from EPCA 1992 requirements 

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Heating Equipment Efficiency Comparison 

Equpment Equpment EPCA EPCA Effic

Category Subategory Section Date 

EPCA 

1992 

Gas Fired Eff. Thermal Efficienc

2:225,000 342 (a) (4) (A) 80% Gas 

Warm Air Gas Fired Oil Fired Eff. 81% Oil 

Furnaces Oil Fired 342 (a) (4) (A) 1/1/94 

Gas Fired Eff. Combustion 

2:300,000 342 (a) (4) (C) Efficiency' 

Package Boilers Gas Fired Oil Fired Eff. 80% Gas 

Oil Fired 342 (a) (4) (0) 1/1/94 83% Oil 

Storage Water Electric Standby Loss Varies by Volume 

Heaters 342 (a) (5) (A) 1/1/94 

Thermal Efficienc

<155,000 and V:S:140 Thermal Eff. 78% 

gal And Standby Loss Standby Loss 

342 (a) (5) (B) 1/1/94 Varies by Volume 

Thermal Efficienc

>155,000 and V:S:140 Thermal Eff. 78% 

gal And Standby Loss Standby Loss 

342 (a) (5) (C) 1/1/94 Varies by Volume 

V<10 gal Thermal Eff. Thermal Eff. 

Instantaneous 342 (a) (5) (D) 1/1/94 80% 

Instantaneous Thermal Eff. Thermal Eff. 77% 

10 gal :S: V :S:140 gal And Standby Loss Standby Loss 

Water Heaters Instantaneous 342 (a) (5) (E) 1/1/94 Varies by Volume 

V :S:140 gal Heat Loss Heat Loss 

Unfired 342 (a) (5) (F) 1/1/94 6.5 Btu/hr/ft2 

Storage Tanks Storage Water R-12.5 

Heaters and Storage Prescriptive liD 

Tanks >140 gal 342 (a) (5) (G) 1/1/94 

'Rating procedure is technically a combustion efficiency rating 

'*No effective change in standby loss from EPCA 1992 requirements 
EE-RM-STD-00-100 COMMENT 07DD t IIIIi rl il i 

r 

• Development of highly detailed prototype fo

of the building type analyzed does not add v

• However, it is necessary to establish charac

that distinguish one building class from ano

• Characterizing large classes of buildings req

eliminating orientation bias 

• In addition, it minimizes effort required to ob

load estimates for multiple representative bu

t IIIIi rl il i 

r 

• Development of highly detailed prototype fo

of the building type analyzed does not add v

• However, it is necessary to establish charac

that distinguish one building class from ano

• Characterizing large classes of buildings req

eliminating orientation bias 

• In addition, it minimizes effort required to ob

load estimates for multiple representative bu
EE-RM-STD-00-100 COMMENT 07DD 

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(jifllil!d!JcnJ l:mctell<,\' .. n 1: 

U·C\, 1'191 Rtt..iurh'tf,Jp d/P(A. 9J R • .f"th" "; 9tll.1999 R.·J",J." ,,; lllX, i .IlIlJ" 

111 .. ""1.&,, .:"''>f'!!y 

{ N;t!\roog:r; 

IUku, H;& U:R CHlhl,i (f8ln, HiI',H U:k .. } 

r'·v;'<",,,:, \"'F AI, , ,:,,5 h" ,yrl 97 ''! 7 (10 II,:; Pl I;;n I I,,';' 

11·;;>t",,"4, ;hr"'"'''''' ill' kfll', h' ,'SS ,:,7 97 oJ',,' ,I'Ll lU l1l} 1 t J< () :.IJ 

1 LVi",,,,:, /"'.'idJr," ;"'. kH,,, hi'" ";:il'.! ",[<;) ill<' ,,,1 \10 ,:N C(, '1" i") tf 1\,1 

ft,Plc"", ,11:1". "H' Hi'. <,,5 hll".; Ii'''' ell;, lil:, (I j qfi :'t', U" "",. D" 

'<Fkd, iV, ¥n'" "I '5 Hit,," X,f.l,' je'" (It)' 145 III % il " 4%,' 

C'",'h"j. s, 'Ill', l,'" lHL' b tv pO! UI Jt JH6 ll" lif> 

: <,,"%d '""k,! ,;": . "1+:",, '1,:\ (;,.1 l' I", j I)'; .:: ,l 

,:'"1S1Ul. ViJkf,S,,,Mct'l!l', "PkHluh t .. ;;. " " U' I 1', :1'.> II) .II> ! Hi 

r"rH"'l<L ',',""""S,,,", Hi'. n' },14 h li/Hf, ',,' " je'l) r,:: ,1,5 u': ','<. !H' .t.',: 

: ',','k.d, 'A,,.,,,',':,,d,J i.,!'. )(,! "".I "1 H kHr;0 h k1 !U 1;;1,1 1 1.11 " IHl } 

,,,,,,,,1. Willi;;;'""lJ"" HI', 2",,· >,,',,""1)3 kihl! iJ il'?: ':,;< .\: 1.:1 'f U" I' !"n Y' 

Au ,:::1\5 .rd, ·<'Ui h t.:'''' ft, ,)1' }.tj ::. J:.! !1q .;',t p ",N 

,', a.", ,HI', 21 ',< "",/1 <'Ai;' kH,,, II ,,2+ ;, " ,< ;,!>' >'1; I In. ,;! !" " H 

,',ZIt''''1. (,(, 'c:HI h ,,1 fl:j ;) UI , 112 l III ,J 

"v, .", ",v .. to 119 ,;q 4 11<> P:· II' P ,>!:; ,tU" 

II' ",,>'iiE':;;! ; '"'};,Ju; A( }" I \1 Uk .. h 1:,(1 ,', ',0 :>7 l1\ ,', ;;' I" 9' Ii ;a 

l'",'K1§;,«,j ! "",,"'12; \( In. I. "'>In I, J , 21 '}'j l' 1%1 ,; ). lU, .. 

C"ng"twl,'et ,'F tHL, h 71, T') (C, ,) { liI, k (I' Ii'" ",', 

<'I Hit), h I, 'J 'it , !11 f ,;, II" H' in; SA 

;",d;0<,i!id ",r""", Hi',!,;" kiJk h , (, :;:,l Hq ")\" 111 (, \i6 !l1 ,1(, 

Ip."",,[,,";! t.''''''MI 111'. !'H'n II 'd. ( j ,,:' I>' '1 '[ ''',i nUl 1"5· 'lk. 

,., 

""'""".tlm' "I, kH"" II JP is i' " " " r..:, 'j f. 75 I"" l<'f 

"iU'" 1':,lI"'!' 

IiII 

I al IiII IS It 

(jifllil!d!JcnJ l:mctell<,\' .. n 1: 

u·c\, Rtt..iurh'tf,Jp d/P(A. 9J N • .f"th" "; 9tll.1999 H. •• J",J." ,,; lllX, i .IlIlJ" H.diith'it J.: 9(11.19')9 

111 .. ""1.&,, .:"''>f'!!y 

{ N;t!\roog:r; 

IUUu, H;& U:R CHlhl,i (f8ln, HiI',H U:k .. } 

1'-":';""''':, ',,,,,,.,,,,, AI, , ·;Ill; h'w f,Yi'I 97 .'! 7 (10 II'Ll Pl 120 I I,,';' 

1.Pr"p<, '>',0';";';":'''1'''',3, ;hr·',,,,,,,,, HI' kfll', !r' "SS ,:,7 97 oJ',' li'Ll lU l1l} 1 t J< () :.IJ 

LVi",,,.:, /"'.'idJr," ;,,';'. kH;" h'''' "pAI '"lQ ;Il'" ,,,. \10 ,:N L:(I '1" i") tf 1\,1 

,t.P1""", ,11:1". ",'m" 1 ii'. <M hll""' Ir' ell;, lil:' (I j qfi 'I, i?" «,. D" 

('<Fkd. iV, ,wnd "I '5 Hit,," X,f,l,' je'" (It)' 145 III % il " 4%,' 

'""h,d. ",,;;, ""',' Ill', l,'" lHL' b ,r'B tv pO! UI Jt IHe;, !l Iif:, 

,<,,"%11 ,"'1 . knla" '1,:\ L.I l' I"'::; j U'; , .l 

:'"1S1Ul. \"Jkf,S,,,Mct'l!l', "PkHluh t .. ;;. " " U' I 1', 1'<' II) .II:' IH' 

,,",, HI'. ,d1 },14 h '", ,< lc'li ,:,:: ",5 U': ,,'<, 

IH' t.',; 

: "','k.d. 'A,,.,,,',',',,d,J (.'1', )(,! ,,,,.I "1 H kHfi.:l h k1 IU 1;;1,1 1 I.: 1 " IHl } 

,,,,,,,,1. ',,," < ",4l1 HI',2"'" ":1)3 kihl!!J il'?: ':'C< ,\: 12 'f U" I' I"" Y' 

,1"" :::1\5 .",d. "'cUi I"')'" h t.:'''' ft, ,)1' }.tj ::. J:.! !1q .;',t p e,N 

,', """ ,,,n"; HI', 21 '.< #'/1 <'A',' kH,,, II ,,2+ ;, " " ;:!<' >'1; I In '. ,;; 1(1 H 

,·,ZIt''''1. (,(, "':HI h ,,1 fl:j ;) UI , 112 l I ," 

,.\(, ,',1 ",v .. to 119 9, , 11<> P:· II' P ,t<\/" 

i' """;'!':'>.! """"d,,: A( )" I \1 Uk .. h ,', ',(I :>7 L\", ;;' I" 9' Ii ,H, 

l''''K1§;,«,J 'h,<,,,':,,yi \( In·I', >;',i" j, J , 21 Y'" ) ,: JH ,: ; lU,,, 

C"ng,twl.'et "1.\ tHLl h 71, T') (C, " { !ii, ,'H (I' Ii'" ",', 

<'I Hit;, h 

" 'J 'it , \11 f ,;, II'.! H' in; SA 

11',d;"'!'id ";r"",,, HI', 1,;n kiJk h , ;, :;:,' Hq ")\" 111 Z' 1,6 !l1 11(, 11',,,,,,,!,,;,j ",.,,,,,,,,,1 ill', !'H,,, II '"j. ( j ,,:' I>' '1 '[ 'J,i nUl 1"5, ';k, 

'"' 

","'",,",,11 !Ii' "1.1 kH';" II JP is i' " " ,\ r..:, 'j f. 75 I"" l<'f 

"iU·R 1':,lI"'I' 
EE-RM-STD-00-100 COMMENT 07DD

l1li 

r I 

Table 3.3, National Baseline 

",I·e<\. lIJ"l 

Tlifmu'll 

f:mdm('y 

ClUtll1 lo/*I 

,oj Bllil..:h. kBhl'h. mv (l1i>1 '!5,n 

i;'m ".$!:S' 1 Ali} 75i! 

I" ,I Bilil":I,"" . .:d. Uuu klltn·'h. IlW ·HH 

li,,,,,·blli'.l J ,onn klll1.l,h, ! I \1," 32A 75.n 

t)(}ilcf:> •• Ci'ls-rin:tl. 41111 Sicilm 3JIl 72.D 

(',., SO,,'" n,D U\",rkHhLfl, 

41)2 nJ) 

d (",,\··1 mnl lO';)(l kll!41:h. 

l' 2"'6 nJ' 

I\V;krm-:\ir 2511 kBtull 7J\;'2 75·.1 

WMm-AJr Ci;kj.·rired. 4UlI kHm'h 7:U 

( 

I 

t' 

IIii 

IS 

) 

Consumption and 

Sbllidard rMdtut'y lA1fcil 

Ittinjitr(' ;(I[fffA 9] Rcilltil'{! II)' f}f}.1·/999 

lbmml1l Tb'llmull 

1\ IlkirRl;Y 

(TOlu) (%}' 

iJ .Ltl 

II 1ft 7r1JI 11) 

lJ ;1.!.1 D 

75 (} n lJ 

75() D 7631 4 

itll ]5 711.11 Il 

17.11 J{) 

II 7lU.1 2V 

7/5 ;]:7 7?l5 91 

TU 242 7l\5 93 

Its 

:1 

Rtrlilftiwf t

Tbtnmd Utmllil 

i:frN'it.'IlIiY Enkim(y 

j{)/lI) CIOttI} (!Ii)) 

ND ,< ",,'i no 

57 71),n 

1K{;' 19 19.u 

7'Hi In nOJI 

1111 Ii; 71}JI 

ilLO :n: 7iJ.lI 

ilL{I 15 itJJI 

190 2:; 195 l@fi (1)1 

184 O,H 

r 

l1li 

I 

IIii 

IS s Its 

( ) 

Table 3.3, National Baseline Consumption and 

Sbllidard rMdtut'y lA1fcil I 

. 

",I·e<\. lIJ"l Rtinjitr(' ;(I[fffA 9] Rcilltil'{! II)' 9fU t'e/i

Tbfmu'll lbmml1l Tb'llmull Tbtnmd Utfmlil 

f:mdm('y 1\ IlkirRl;Y i:WN'it.'m:y Eftkim(y 

ClUtll1 lo/*I (TOlu) j{)/lI) CIOttI} (!Ii)) 

Bllil..:h. kBhl'h. mv (l1i>1 '!5.n iJ .Ltl ND ,< ",,'i no 

IbL., 1 Ali} 75i! II 1ft 7r1Jl 11) 57 79.n 

1(};'ICbll..:d Bilil":I,"" . .:d. Uuu klltn"il. IlW ,HH lJ ;1.!.1 D 1K{;' 19 19.u 

IE !"ij'N, (i,,[ ""d, Jr·', <I."",", H Vi 32A 75.n 75 (} n lJ i'Hi In nOJI 

t)(}il¢r" C;.ls-rin.'tl. 41111 S!cHm 3JIl 72.D 75() D 76.11 4 1711 Ii; 71}JI 

1>:UII W!uh. n,D itll ,35 "?!'UI Il ilLO :n: 7iJJI 

U(XrkrHlLfl. 

'Il 41)2 nJ) 16 17.11 J{) ilL{I 15 itJJI 

(",,\,·1 mnl lO';)(l klll'!!?I. 

2"'6 nJ' II 7lU.1 2V 190 2:; 

arm-:\ir !lJnn..:'t:,. 2511 kBtull ]J\;'2 75·.1 7/5 ;]:7 7?l5 91 195 l@fi 11,11 

IWMm-Alr! Ciaj.·rired. 4UlI kHm'h 7:U TU 242 7l\5 93 1'}5 184 O,H 
EE-RM-STD-00-100 COMMENT 07DD

II1II 

I 

Table 3.4, National Baseline 

2Ut .. ·2t1JU 

( 

I 

t' 

Consumption and 

E

II1II 

SIS Its 

) 

Savings Etluip

Standard I· pm I( mlliflnty I.",\'ell l(fficieU4;)' I.fIli!t 2 U'licif''lb

IMlllil'f III EPfA 91 f(i Ilelarit,t! It I 911.1,1999 Relalive 

'Ihllmtlll IUutruyl ltefmlll 

EJfttklli!Y Uftdi'llty Sll\l!ng; 

fUeur (TUtu) I. (mUll 

II1II 

I 

Table 3.4, National Baseline 

2Ut .. ·2t1JU 

EJfttkOi!Y 

( 

I 

t' 

Consumption and 

E

II1II 

SIS Its 

) 

Savings Etluip

Standard I· pm I( mlliflnty I.",\'ell l(fficieU4;)' I.fIli!t 2 U'licif''lb

IMlllil'f III EPfA 91 f(i Ilelarit,t! It I 911.1,1999 Relalive 

nefwmd 'Ihllmtlll IUutruy Iltefmlll 

Uftdf!I1f!Y Sll\l!ng; 

fUeur (TUtu) I. (mUll 

II 

.H 

54 
EE-RM-STD-00-100 COMMENT 07DD

l1li 

I 

( 

IIL'd< 

'.<11 1·1'31'J',) 

1"" ........ 11 LEN 

1_ T'!..,."". S'''wi: .'t'fi ;#" b ... f'·' , 

"hh;, h"'" ',' -;: 

S"",,,,L \J, lU}, . h)h%» ';., 

i,;·j't,,,,,,,. S,;i],I."y"'"HL .'\u,S,"HU.' i\C. ",,\5 kil,im II"'" :):'ii 

i1-.i!"'.';' s;:o4,,"',) ",,.,. /\ir'<""IIf"'" IIV, ".;S kBq, 10'''' ! I) ',') 

l'I'-",r;,,1. :\ir-'i"ur;:.; h'< . ;m,! ".! .1: i< !, 19 :' 

',;!'\' ""I, A 1!'-';',''''1',''; ru'. 3:1.;; 10.1' h 1.H I 

:".: , "f:5 kl'''·, .. h :, i 

: it',",Shd, '''A''. ,Sill ... ";'; ! H', "",:r :k1';llN"fk tI,. 

·"m,.,.,1. !,W, fl7 k!:Hu II L2 "I 

,v',em!. '0:""",1 .'.';k,j /.) , '" i kfk" h ;! ::; 

, 0""11. Vi"i, PI', e;1.5 1%",,3 : 13 5 k;'iqU h 1::0 

: ,..." A(', ;,' I "" ;".J ·<?J<ll kHth It ",,7 

, All ': ..... "'''c kiF, :':' I Y;:' ",',:1 <,:,,( i-;"i;m IL ',,' ." 

V,'",,,,·(,.,<k;) fer. ", ,,,,:,,,, <1#1$ kHlu h H';l 

1""'''11&1'';) 1 .,'1f •• "S,hi 11 

Il'i,d",t'.,j: 'j.jr;,,,ilui ,',I . 'L !!; kH>tu h ')-.! 

If'L .. ,v , j;!<) h ... \ 

,'" ]' <'rWdflJi .. 'J, "'! 3 !d:lL.! h Y'Y 

l'l;r,liO'.!;,",j J <'m,;,r,,!! iiI'. #;J kHm h ',' t 

'1 ;:,'1"'",,'"'' HI', 7·'10 tHh" 'h l!, 'ft 

It., "I 7 'j,' •• 1.1 Idtw It " 

11'""","'a,,:,".! 'h"F,'e,,,,1 ! H",· 7 f; 

i.'" 'WHI 

at 

t' 

1: ti 

k; iN), J,., 

rnit if",!1 ",' lii"L' 

II e ,.,e' f. 

I'j i} lULl 

11 .> aU 1 

11 r 31. J. 

IdS -ltC':' 

io1' "":,J ,', 

i,! 

12 :; 

1::3 ,!,; v 

i:' ii' f' r 

L ,f, 

I ,:t.:: .: 

Y :$ J ... , 

III 1. : 

Ill) ,oW 

I-I,' 72 :: 

'/ " '/'{ 

';.5 '1\'.1 

jd)\ ,; " 

b>4 7:'1 :1 

<:; 7 ,in" 

11 Ii! ,'\ 

l1li 

IS It 

) 

i-::fIkLimc"i .'I t.M ,.J _, 

y n.:t .. ,!w.: .. ,; 'j,'",. (,19;iii)' 

NjY\l 

...... ll 'J!¢"i; I nil{ """n ';'it'S} 

''"':!) lii;U I." , ·:'Wl6 

12C· 'Jl A 1,,0 ·He :r 

HI) 14 ',' Lh.l .. U.,.4 

L: I: HI'> !:'o 27 

h!;:\ f' II •• · .. 1'.8<' f, !'1,', -:1<' ! I.! <:'k:: 

PI '\ '" ! ,t ,. 'i 

HI. ".{7 1,\ 1) ·I.\!} ':" 

IJ I ,.$A l·t,,,, ,1m,,? 

1?4 ,: I,,{' <':" 

i 1, I.: .;, J Hi "I, , 

!U..l "1: ') Hi N,\ 

lU4 " II! Nt. 

I:L, Ii. IL! l. J' 

ILl .• !, ou N/, 

id X ',':: I, 11. }4 

:! I' ',1.! III ;".(: 1 

q !;If{ la", .15., 

Ill? .(, "5 P," \'Ii A 

F"i 77<4 114 .'ll' {, 

If! , W'·'J ! tl '; F,' 

'.l ,i, 57;'! !t)o .1'.", 

l1li 

I at l1li I s Its 

( t' ) 
EE-RM-STD-00-100 COMMENT 07DD

iii! 

I 

( 

I 

t' 

I11III 

I e It 

) 

Table 3.6. NP\l tot' Eftkiency Levels Exceeding Standard 90.1-1999 Space-Ileat Eq

A;SUR;\ I; 1A!\'cll 

Rrtlatil'e 10 

I,: mdcnt), tit\' ii't 2: 

ReJrJrilrr! 1.f19tJ. '·1991'1 

':ftltLcrtri::y Let/it'. J 

ltt!i11111'rt ltf 1Hi. J·ll,;t19 

UfldcllCY l:rndltRCY NltV l:mdtuey 

( .. '8$) (*/0) (nlill. 98$) 

ittO 

j'L5 78,5 

1{,:') 7lU 

iii! 

I 5 It 

( 

Table 3.6. NP\l tot' Eftkiency Levels Exceeding Standard 90.1-1999 Space-Ileat Eq

A;SUR;\ I; 1A!\'cll I,: mdcnt), tit\' ii't 2: 

Rrtlatil'e 10 ReJrJrilrr! 1.f19tJ. '·1991'1 

Ufldl'llCY I:rndltncy NltV 

( "$) (*/0) (nlill. 98$) 

':ftltLcrtri::y Let/it'. J 

ltt!i11111'rt ltf 1Hi. J·ll,;t19 

.'bltf'flilild 

Nti\, 

(milt 91'S 
EE-RM-STD-00-100 COMMENT 07DD

cr 

( 

I 

t' ) 

iii! 

15 5 It 

Table 3.7. NPV for Ef1kiency Levels Exceeding Standard 90.1-1999 \Vater-Heating 

Stlutd:,u'd L{'Vel 1 Effideuty Levell EfficiellC)' Lc\e

Relitill'e ttl Relativ(! ItJ 9'1.1-/999 Rtdllii"t!: IjJ !1(1.1-1 

Thermal The,'mal Tbe''1Jud Thernud 

Emdetilc}' NP\" Emeleluy' Nfl\, Emdelu:y' 

Product ) (%) (miU.9S$) (%) (fuUL9SSi (%) (mill.9

Water i 20 80J) 8;;W 8ZJ} 86JJ -Water Healet, G.ls-Fired. 19'9Id3lu{1; go.O 8Hl ·2.9 82.0 -15.2 86.0 -

"Vater 3(tO klJtwl1 8{UI 82.0 -7.3 S:Ui -195 86,0 

instantaneous \'litHer Heater. Gas-Fi.red. 

400 kBtltll1 go.O s::to -!t::U NA KA 86,0 -

W<ttitr Heater, G('f:j)-Firitd, 

LOfHl kBtuth go,(l 83,0 Ni\ K/\. g(>Jjl 

Tank TYIX'. Water Heater, Gas m 

Fired .. 500 kBtuih -JA/ 8{).O 82.0 82.0 4.0 86,0 ·

Electric ( L2() gal) 99,3 9t}A 1,11 CUI t\i\. o.() 

I iii! cr IS Its 

( ) 

Table 3.7. NPV for Ef1kiency Levels Exceeding Standard 90.1-1999 \Vater-Heating 

Stlutd:,u'd L{'Vel 1 Effideuty Levell EfficiellC)' Lc\e

Relitill'e ttl Relativ(! ItJ 9'1.1-/999 Rtdllii"t!: IjJ !1(1.1-1 

Thermal The,'mal Tbe''1Jud Thernud 

Emdetilc}' NP\" Emeleluy' Nfl\, Emdelu:y' 

Product ) (%) (miU.9S$) (%) (fuUL9SSi (%) (mill.9

Water !, i 20 80J) S;;W ·{U 8ZJ} 86JJ -

L Water Healet, G.ls-Fired. 19'9Id3lu{1; go.O 8Hl -2.9 82.0 -15.2 86.0 -

"Vater Heater. 3(tO klJtwl1 8{UI 82.0 -7.3 SUi -195 86,0 

instantaneous \'litHer Heater. Gas-Fi.red. 

go.O 83J} -113.2 NA KA 86.0 -

W<ttitr Heater, G('f:j)-Firitd, 

Uli)i} k Btuth go.O S3,O Ni\ K/\. 8(>Jj 

Tank TYI:>e. Water Heater. Gas m 

Fired. 500 kBtuih 80.0 82.0 -JA 82.0 4.0 86.0 ·

Electric ( L20 gal) -;;r 9t}A Lli CUI t\i\. (H) 
EE-RM-STD-00-100 COMMENT 07DD " 

il 

I Qirrate Locationsl 

Denver 

II1II 

I 

i-Ciimate ! 

I LocatIon 11 ! 

t " 

a t 

Generic3-Story 

Building 

Generic square 

buildirg 

15-Z<:re, tlTe&stay 

5 independert zores 

perfloor (rore + foo..r perimeter zores 

" 

il 

I Qirrate Locationsl 

Denver 

l1li 

I 

l1li 

I 

i-Ciimate ! 

I LocatIon 11 ! 

t " 

a t 

Generic3-Story 

Building 

Generic square 

buildirg 

15-Z<:re, tlTe&stay 

5 independert zores 

perfloor (rore + foo..r perimeter zores 
EE-RM-STD-00-100 COMMENT 07DD 

, " l1li I t il l1li I 

Ii t ( ) 

·2 + Office 5 Scaled Zone Loads Lodging ·4 

.. 

: . Annual Zone 

I Load (sensible + 

I· latent) • • • Peak (Design) Space Load 

i 

... 

Zone FLEOH 

,l 1 [' " 3 I ! Climate I i 

ZoneFLEOH ",- Location 1 I I i 

"',,"UlOH I I 

.. " 

I • • • 

Zone 5 

Building FLEOH 

Building FLEOH • • • Location 1 8I>IJdIngFLEOtl 

L wt. Zone FLEOH 

FLEOH for Each Building Type by Climate Location 

, " l1li I t il l1li I 

Ii t ( ) 

·2 + Office 5 Scaled Zone Loads Lodging ·4 

.. 

: . Annual Zone 

I Load (sensible + 

I· latent) • • • Peak (Design) Space Load 

i 

... 

Zone FLEOH 

,l 1 [' " 3 I ! Climate I i 

ZoneFLEOH ",- Location 1 I I i 

"',,"UlOH I I 

.. " 

I • • • 

Zone 5 

Building FLEOH 

Building FLEOH • • • Location 1 8I>IJdIngFLEOtl 

L wt. Zone FLEOH 

FLEOH for Each Building Type by Climate Location