The Home Building Industry's Technical Information Resource

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Did You Know?

You can increase the value of your next remodeling project by including energy efficiency improvements. Learn how with Energy Efficiency Improvements for Remodeling Projects.

Heating, Ventilating, and Air Conditioning

Find out more about heating, ventilation and air conditioning systems used by builders and remodelers. Technologies include heat pumps, radiant heating, ventilators, coolers and air conditioners.

Design & Construction Guides [Back to Top]

Guides for designing and building various types of construction

Air Distribution System Design: Good Duct Design Increases Efficiency
Air Distribution System Installation and Sealing - Proper Duct Installation Increases Efficiency
Controlling Moisture by Mechanical Design in Highly Efficient Homes
ENERGY STAR® Building Upgrade Manual
From the NAHB Model Green Home Building Guidelines: Understanding HVAC System Design Issues
Geothermal Heating and Cooling Systems - ToolBase TechSpecs
Heating and Cooling Equipment Selection: Care in selection is key to low-cost operation
Heating and Cooling Remodeling Options - ToolBase TechSpecs
HVAC Sizing Methodology for Insulated Concrete Homes
Residential Duct Systems - Selection and Design of Ducted HVAC Systems
Right-Size Heating and Cooling Equipment: The correct size improves comfort and reduces costs, maintenance, and energy use
Spot Ventilation - Source Control to Improve Indoor Air Quality
Tech Set 3: Forced Air System
Tech Set 9: Indoor Air Quality
Technology Fact Sheet: Air Sealing - Seal air leaks and save energy!
The Rehab Guide, Volume 8: HVAC/Plumbing
Performance Reports & Case Studies [Back to Top]

Evaluation of how products and systems perform in real life applications

Field Test of Advanced Duct-Sealing Technologies within the Weatherization Assistance Program A field test of an aerosol-spray duct-sealing technology and a conventional, best-practice approach was performed in 80 homes to determine the efficacy and programmatic needs of the duct-sealing technologies as applied in the U.S. Department of Energy Weatherization Assistance Program.
Measured Performance of Five Residential Geothermal Systems Data of the performance of five residential geothermal systems in northeastern Ohio was collected and analyzed to characterize performance of the systems in occupied homes and to compare the measured output at design conditions to standard sizing methods.
Preliminary Assessment of Ventilation Requirements for New Single-Family Homes This 1990 study reviews the ventilation requirements of codes and standards, and develops a method to estimate supplemental ventilation and associated costs.

Questions & Answers [Back to Top]

Frequently asked questions, answered by home building professionals

How do I insulate a steel framed home?

Web Links [Back to Top]

Recommended Web resources for additional information