Codes 101 - Residential

**90-75**

# "Energy Conservation in New Building Design"

ASHRAE's first comprehensive standard to address the design and
construction of new buildings from an energy standpoint

## MCEC 77

# "Code for Energy Conservation in New Building Construction"

Developed by BOCA, ICBO, SBCCI, and the National Conference of States on
Building Codes and Standards; based on 90-75

## 90A-1980

# "Energy Conservation in New Building Design"

ASHRAE's update to 90-75

## 83 MEC

# "Model Energy Code 1983 Edition"

Maintained by the Council of American Building Officials

Based on 90A-1980

## 86 MEC

*"Model Energy Code 1986 Edition"*

Maintained by the Council of American Building Officials

Based on 90A-1980 and 83 MEC with a few changes

## 89 MEC

# "Model Energy Code 1989 Edition"

Maintained by the Council of American Building Officials

Based on 90A-1980 and 86 MEC with a few changes

## 10 CFR 435 

"Energy Conservation Voluntary Performance Standards for New Buildings;
Mandatory for Federal Buildings"

Includes requirements for both Federal commercial buildings and Federal
residential buildings. For residential buildings, use of the software
program "Conservation Optimization Standard for Savings in Federal
Residences (COSTSAFR) is referenced. COSTSAFR to be used to derive the
energy consumption goal for the Federal residential building.

## 92 MEC

# "Model Energy Code 1992 Edition"

Maintained by the Council of American Building Officials

Based on 90A-1980 and 89 MEC with a few changes

## 93 MEC

# "Model Energy Code 1993 Edition"

Maintained by the Council of American Building Officials

Based on 90A-1980 and 92 MEC with a few changes

**90.2-1993**

# "Energy Efficient Design of New Low-Rise Residential Buildings"

A complete revision to the low-rise residential building provisions in
Standard 90A-1980.

## 95 MEC

# "Model Energy Code 1995 Edition"

Maintained by the Council of American Building Officials

Based on 90A-1980 and 93 MEC with a few changes

## 98 IECC

# "International Energy Conservation Code 1998"

Maintained by the International Code Council. Chapter 6 "Residential
Building Design by Acceptable Practice" was consolidated into Chapter 5
in a rewritten form.

## 00 IECC

# "International Energy Conservation Code 2000"

Maintained by the International Code Council. A new Chapter 6 was added
containing a four-page optional and standalone approach prescriptive
compliance approach. The approach can only be used on single-family
buildings with less than or equal to 15% glazing area or multifamily
buildings with less than or equal to 25% glazing area.

## 01 IECC

# "International Energy Conservation Code 2001 Supplement"

Maintained by the International Code Council

### NFPA 5000

# "NFPA 5000, Building Code"

This is planned to be the National Fire Protection Association's first
complete building code and will contain ANSI/ASHRAE Standard 90.2-2001
as its residential energy provisions

Codes 101 - Commercial

**90-75**

# "Energy Conservation in New Building Design"

ASHRAE's first comprehensive standard to address the design and
construction of new buildings from an energy standpoint

## MCEC 77

# "Model Code for Energy Conservation in New Building Construction"

Developed by BOCA, ICBO, SBCCI, and the National Conference of States on
Building Codes and Standards; based on 90-75

## 90A-1980

# "Energy Conservation in New Design"

ASHRAE's update to 90-75

## 83 MEC

# "Model Energy Code 1983 Edition"

Maintained by the Council of American Building Officials

Based on 90A-1980

## 86 MEC

# "Model Energy Code 1986 Edition"

Maintained by the Council of American Building Officials

Based on 90A-1980

## 89 MEC

# "Model Energy Code 1989 Edition"

Maintained by the Council of American Building Officials

Based on 90A-1980

**90.1-1989**

"Energy Efficient Design of New Buildings Except Low-Rise Residential
Buildings"

A complete revision to the previous ASHRAE standards for buildings,
excluding low-rise residential buildings.

## 10 CFR 435 "FEDCOM 0"

"Energy Conservation Voluntary Performance Standards for New Buildings;
Mandatory for Federal Buildings"

Included requirements for both Federal commercial buildings and Federal
residential buildings.

## 92 MEC

# "Model Energy Code 1992 Edition"

Maintained by the Council of American Building Officials

Based on 90A-1980

## 93 MEC

# "Model Energy Code 1993 Edition"

Maintained by the Council of American Building Officials

First version of the MEC to meet EPACT's requirements to meet or exceed
Standard 90.1-1989 -- Chapter 7 of the 93 MEC adopts 90.1-1989 by
reference.

**90.1-1989 Code Version**

# "Energy Code for Commercial and High-Rise Residential Buildings"

Published in 1993, contains a code language version of 90.1-1989. Is
technically equivalent to the mandatory minimum provisions in 90.1-1989.

## 95 MEC

# "Model Energy Code 1995 Edition"

Maintained by the Council of American Building Officials. Changes
reference from Standard 90.1-1989 to the Codified Version of 90.1-1989
first published in 1993.

## 98 IECC

# "International Energy Conservation Code 1998"

Maintained by the International Code Council. The reference to the
codified version of 90.1-1989 was moved from Chapter 7 to Chapter 6. A
new Chapter 7 "Design by Acceptable Practice for Commercial Buildings"
was added as a simplified compliance approach consistent with 90.1,
specific to buildings not over three stories in height with "reasonable"
glass areas and "simple" mechanical systems.

## 10 CFR 434 "FEDCOM I"

"Energy Conservation Voluntary Performance Standards for New Commercial
and Multi-Family High Rise Residential Buildings"

With the publication of 10 CFR 434, the Federal commercial requirements
were removed from 10 CFR 435 (which is now only residential) and were
updated to meet or exceed the codified version of Standard 90.1-1989.

**90.1-1999**

# "Energy Standard for Buildings Except Low-Rise Residential Buildings"

Published in 1999, this document provides a complete revision to the
previous standard. It is written in mandatory, enforceable language
suitable for code adoption.

## 00 IECC

# "International Energy Conservation Code 2000"

Maintained by the International Code Council. Chapter 7 of the 1998 IECC
became Chapter 8 of the 2000 IECC with several changes as it was
extended to cover virtually all commercial buildings. Some changes were
made in the Lighting section to update some values to be equivalent to
90.1-1999.

## 01 IECC

# "International Energy Conservation Code 2001 Supplement"

Maintained by the International Code Council

**90.1-2001**

# "Energy Standard for Buildings Except Low-Rise Residential Buildings"

Published in 2001, this document provides a revision to the previous
standard to include approved addenda.

### 10 CFR 434 "FEDCOM II"

*"Energy Code for New Federal Commercial and Multi-Family High-Rise
Residential Buildings"*

This is a planned update to FEDCOM I to update requirements to meet
Standard 90.1-2001.

# **NFPA 5000**

# "NFPA, 5000 Building Code"

This is planned to be the National Fire Protection Association's first
complete building code and will contain ANSI/ASHRAE/IESNA Standard
90.1-2001 as its commercial energy provisions.