by Zak | Nov 20, 2011 | Energy Audits
We performed a weatherization job on a 5,000 sq. foot house near Winchester, VA this past week. The initial energy audit produced the homeowner with several low-cost options for lowering their energy bills. This was a large home in Front…
by Zak | Sep 15, 2011 | Renewable Energy Research
We were called by a client who had a solar air heating system that had been in operation since the 80’s. They had enjoyed the “free heat” for so many years, but after 30 years, the system needed some maintenance. The homeowner said that after…
by Zak | Aug 25, 2011 | Energy Audits
Here is another example in the same home mentioned in the last post. This flex duct was hanging on my a thread. The original contractor just used a little “duck” tape, not the real stuff like foil tape or mastic. A smoke test revealed…
by Zak | Aug 5, 2011 | Uncategorized
A customer called to schedule an appointment because their air-conditioner couldn’t keep up during the hottest winter months. Upon visiting the site and conducting the usual inspections and tests, it was found that the return air from the…
by Zak | Feb 25, 2011 | Building Science Research
This chart shows that thermal mass really works. This is a really busy house. The doors are opening and shutting all day long as people come and go. There is a gas-powered instant hot water heater that provides heat for the radiant flooring. …