by John Krigger | Jun 27, 2024 | AC Air Conditioning / Cooling, Energy Efficient Buildings, Uncategorized
A two-stage evaporative cooler is a newer, more efficient evaporative cooler that uses a pre-cooler, improved evaporative pads, and a more efficient motor. The pre-cooler cools the incoming air, with a water-cooled heat exchanger, and without adding any moisture to...
by John Krigger | Jun 21, 2024 | AC Air Conditioning / Cooling, Energy Efficient Buildings, Uncategorized
Let’s think about the possibility of electrical-grid failure, unaffordable electricity, or AC failure during very hot weather. Ancient ideas and their modern designs may be one solution. Modern wind-catchers, along with wind-powered and solar-powered ventilators...
by srmi | Jul 5, 2017 | Energy Efficient Buildings
Sliding glass door heat flow A sliding glass door’s large expanse of glass transmits a lot heat out of the home in the winter and into the home in summer. This heat flow takes three forms: heat conducts directly through the glass in winter, solar heat transmits...
by srmi | May 26, 2017 | Energy Efficient Buildings
Attic vents and roof venting serve a variety of purposes, depending on roof design and climate. These purposes include preventing ice damming, drying building materials, and controlling solar heat gain. In cold climates, we want to avoid ice damming by keeping the...