The Home Building Industry's Technical Information Resource

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Geothermal heat pumps can save 30-70% on cooling costs.Products, practices, and results to consider when remodeling a home.

Building Systems

Selected innovative building products, processes, and systems that can produce safer, more energy efficient homes at a lower cost and higher quality.

Exterior Walls
Heating, Ventilating, and Air Conditioning
Interior Partitions and Ceilings
Whole-House Systems

Best Practices

Information to help builders and remodelers run efficient, profitable businesses that result in high quality homes.

Business Management
Codes, Regulations, & Standards
Construction Videos
Construction Waste
Failure Prevention
Job Site Safety
Quality Resources
Scopes of Work

Construction Methods

Technologies & processes for various types of construction.

Concrete Construction
Manufactured Housing
Steel Framing
Wood Framing


2015 National Green Building Standard™ Under Development

ASHRAE joins ICC and NAHB to partner on the development of the 2015 edition of the National Green Building Standard (NGBS). Read more.


The End of Business as Usual

Today’s housing market presents builders and remodelers with lots of changes. More stringent energy codes. A shortage of skilled labor. Changing consumer preferences. Advanced building science technologies. Rising land and material costs. Read more.


NEW TechNote: Whole-House Mechanical Ventilation Code, Safety and Performance Considerations For Low-Rise Residential Buildings

Whole-house mechanical ventilation is the intentional exchange of indoor air with fresh outdoor air at a controlled rate using fans. The purpose of whole-house mechanical ventilation is to improve indoor air quality. Available here