John Abdo's Page

HVAC design, Manuals J, S, T, & D, Duct leakage, Air flow, ENERGY STAR new home requirements, and more. Since heating & cooling are such a big part of home energy use, understanding HVAC is critical.See More

A hammer and a saw used to be the key tools for home contractors. Today, the best-in-breed also use high-tech equipment while performing a professional energy audit or verifying that construction has been done correctly.

Share your concerns and successes as a weatherization professional, or information for this community.

Prove to us that enhanced home energy performance translates into enhanced resale value!See More

Historic and vintage homes are significant to our cultural heritage, yet often lack energy efficiency and comfort. Our mission is to identify key issues, solutions, and best practices when retrofitting much older homes.See More

Calculating them; visualizing them; explaining them; selling them .... there is a lot to discuss and debate hereSee More

For too long there has been relatively little EE focus on multifamily, but some new programs have recently started. This group gives us a venue to share our experiences on cost effective audit & retrofit strategies and analysis tool needs.See More

This group is dedicated to knowledge sharing and discussion of infrared thermography for building sciences and energy applications.See More

Best Building, Retrofitting, or even Auditing Practices - what are they, what should change, what needs to find it's way to the dust bin of history?See More