### A P PENDIX 7

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. HOUS ING VARIABLES

TABLE OF CO NTENTS

7

- A.1 INTRODUCTION

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7

- A.2 RECS SAMPLE DETERMIN ATION

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- 1

7

- A.3 RECS 2009 DATABASE V ARIABLE RESPONSE COD ES

.............................. 7

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LIST OF TABLES

Table 7

- A.2.1 List of RECS 2009 Variables Used for Dehumidifier LCC Analysis

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Table 7

- A.3.1 Definitions of RECS 2009 Variables Used in Life

- Cycle Cost Analysis

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7

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### APPENDIX 7

- A. HOUS ING VARIABLES

7

- A.1 IN TRODUCTION

Using Microsoft ACCESS, DOE created a database containing a subset of the records

and variables from DOE’s Energy Information Administration (EIA)’s RECS 2009. 1 

### DOE used

this RECS subset in the life

- cycle cost (LCC) analysis of t he Dehumidifier Rulemaking. This appendix explains the variable name abbreviations and provides definitions of the variable values. For the entire RECS 2009 dataset, refer to http://www.eia.gov/consumption/residential/data/2009/index.cfm?view=microdata

.

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- A.2 RECS SAMPLE DETERMIN ATION

The RECS consists of three parts:

• Personal interviews with households for information about energy used, how it is used,

energy

- using appliances, structural features, energy efficiency measures, and demographic characteristics of the household.

• Telephone interviews with rental agents for households that have any of their energy use

included in their rent.

• Mail questionnaires sent to en ergy suppliers (after obtaining permission from households) to collect the actual billing data on energy consumption and expenditures.

The subset of RECS 2009 records used to study dehumidifi ers met all of the following

criteria:

• used a dehumidifi er;

• and for homes with a whole

- home dehumidifier:

o located in a mixed temperature and moist climate;

o single

- family attached or detached;

o has a basement;

o equipped with a central air conditioner;

o equipped with duct work;

The RECS 2009 weighting indicates how commonly each household configuration occurs in the general population. Table 7

- A.2.1 shows the RECS sample weights and criteria for replacement s.

Table 7

- A.2.1 lists the variables use in the analysis.

Table 7

- A.2.1 List of RECS 2009 Variables Used for Dehumidifi er LCC Analysis

Variable Description

Location Variables

REGIONC Census Region

7

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- 1Variable Description

DIVISION Census Division
REPORTABLE_DOMAIN Reportable states and groups of states Climate_Region_Pub Building America Climate Region

HDD65 Heating degree days in 2009, base temperature 65F

HDD30YR Heating degree days, 30

- year average 1981

- 2010, base 65F

CDD65 Heating degree days in 2009, base temperature 65F

CDD30YR Cooling degree days, 30

- year average 1981

- 2010, base 65F

StationID * ID number of weather station identified with household (See Appendix 7

- B )

Hous ing Unit Characteristics Variables

NWEIGHT Final sample weight

DOEID Unique identifier for each respondent
TYPEHUQ Type of housing unit

YEARMADE Year housing unit was built



### NOTMOIST Use dehumidifier

USENOTMOIST Number of months in 2009 use dehumidifier

COOLTYPE Type of air conditioning equipment used

CENACHP Central air conditioner is a heat pump

CELLAR Basement in housing unit

BASEFIN Finished basement

Househol d Characteristics Variables

NHSLDMEM Number of household members

Seniors * Number of household members age 65 or older

POVERTY100 Household income at or below 100% of poverty line

* Not part of RECS 2009 variables.



### 7

- A.3 RECS 2009 DATABASE V ARIABLE RESPONSE COD ES

Table 7

- A.3.1 provides the response codes for all RECS 2009 variables used in the dehumidifier housing samples.

Table 7

- A.3.1 Definitions of RECS 2009 Variables Used in Life

- Cycle Cost Analysis

Variable Response Codes

BASECOOL 0

1

- 2 No

Yes Not Applicable

BASEFIN 0

1

- 2 No

Yes Not Applicable

CDD65 Cooling degree days in 2009, base temperature 65F

CELLAR 0

1

- 2 No

Yes Not Applicable

CENACHP 0

1 No

Yes

7

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- 2Variable Response Codes

- 2 Not Applicable

Climate_Region_Pub 1

2

3

4

5 Very Cold/Cold

Hot

- Dry/Mixed

- Dry

Hot

- Humid

Mixed

- Humid

Marine

COOLTYPE 1

2

3

- 2 Central system

Window/wall units Both a central system and window/wall units Not Applicable

DIVISION 1

2

3

4

5

6

7

8

9

10 New England Census Division (CT, MA, ME, NH, RI, VT)

Middle Atlantic Census Division (NJ, NY, PA) East North Central Census Division (IL, IN, MI, OH, WI) West North Central Census Division (IA, KS, MN, MO, ND, NE, SD) South Atlantic Census Division (DC, DE, FL, GA, MD, NC,
SC, VA, WV)

East South Central Census Division (AL, KY, MS, TN) West South Central Census Division (AR, LA, OK, TX)

Mountain North Sub

- Division (CO, ID, MT, UT, WY)

Mountain South Sub

- Division (AZ, NM, NV) Pacific Census Division (AK, CA, HI, OR, WA)

DOEID 00001

- 12083 Unique identifier for each respondent

HDD65 Heating degree days in 2009, base temperature 65F

NOTMOIST 0

1 No

Yes

NWEIGHT Final sample weight

POVERTY100 0

1 No

Yes

REGIONC 1

2

3

4 Northeast Census Region Midwest Census Region South Census Region West Census Region

REPORTABLE_DOMAIN 1

2

3

4

5

6

7

8

9

10

11

12

13

14 Connecticut, Maine, New Hampshire, Rhode Island, Vermont

Massachusetts

New York New Jersey Pennsylvania

Illinois Indiana, Ohio Michigan

Wisconsin Iowa, Minnesota, Nor th Dakota, South Dakota Kansas, Nebraska

Missouri Virginia Delaware, District of Columbia, Maryland, West Virginia

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- 3Variable Response Codes

15

16

17

18

19

20

21

22

23

24

25

26

27 Georgia North Carolina, South Carolina

Florida Alabama, Kentucky, Mississippi

Tennessee Arkansas, Louisiana, Oklahoma

Texas

Colorado Idaho, M ontana, Utah, Wyoming

Arizona Nevada, New Mexico

California Alaska, Hawaii, Oregon, Washington

Seniors 0

1 No

Yes

TYPEHUQ 1

2

3

4

5 Mobile Home Single

- Family Detached Single

- Family Attached Apartment in Building with 2

- 4 Units Apartment in Building with 5+ Units

USENOTMOIST 1

2

3

4

5

- 2 1 to 3 months

4 to 6 months

7 to 9 months

10 to 11 months Turned on all year Not applicable

YEARMADE 1600

- 2009 Year housing unit was built
* Not part of RECS 2009 variables.

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- 4

### REFERENCES

1. U.S. Department of Energy: Energy Information Administration, Residential Energy Consumption Survey: 2009 RECS Survey Data, 2013. (Last accessed March, 2013.)

< http://www.eia.gov/consumption/residential/data/2009/ >

2. U.S. Department of Energy: Energy Information Administration, Commercial Buildings Energy Consumption Survey, 2003. (Last accessed September, 2013.)

< http://www.eia.doe.gov/emeu/cbecs/ >

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