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 John Krigger | Jun 20, 2024 | AC Air Conditioning / Cooling, Air Sealing Buildings, Duct Air Sealing, Uncategorized
The sensible-heat ratio (SHR) expresses the moisture-removal capacity of the AC system. The SHR rates the air conditioner on its ability to remove moisture and is an important consideration to select a central AC system. The SHR is a decimal number between 0.5 and...
by John Krigger | Jun 12, 2024 | AC Air Conditioning / Cooling, Uncategorized
You can apply several types of white roof coatings to various roofing materials to create a cool roof. When choosing a white roof coating, consider your existing roofing material, the roof’s slope, and the manufacturer’s specifications for the coating....
by John Krigger | Jun 6, 2024 | AC Air Conditioning / Cooling, Uncategorized
Badgirs — also known as windcatchers or wind towers — are traditional non-electric architectural features used in the Middle East for natural ventilation and cooling. Architects and builders used Babgirs for centuries to create indoor comfort in hot, arid climates....
