Four small photos side by side showing building envelope; heating, ventilation, and air conditioning (HVAC); water heating components of a house, as well as a man working on the exterior of a house.

Top Innovations in this category encompass research in specific technologies and construction practices that improve the building envelope; heating, ventilation, and air conditioning (HVAC); water heating components; and indoor air quality and safety issues.

These Top Innovations highlight revolutionary building technologies and systems for water heating.

1995-2012 Top Innovations

As high-performance homes get more air tight and better insulated, attention to good indoor air quality becomes essential. These Top Innovations ensure a healthy and non-hazardous building environment.

2014 Top Innovation
1995-2012 Top Innovations