The Benefits of Zone Pressure Diagnostics
Weatherization and home performance contractors have been using zone pressure diagnostic (ZPD) testing since the 1990s to better diagnose, and ultimately improve, the airtightness of homes. Though our understanding of ZPD testing has come a ...
Depending on the design, an evaporative cooler can use as little as 10% of the energy consumed by refrigeration air conditioning systems. [continue reading]
Until recently, most residential two-stage evaporative coolers were of the down-discharge variety and were generally installed on the roof. [continue reading]
Higher quality electronic line voltage thermostats (ELVTs) have been available for several years. Most models indicate temperature in degrees, and they're touted as energy savers. But how well do they work? [continue reading]
How do you use diagnostic equipment (such as blower doors, and pressure sensors) to measure air flows in high-rise apartment buildings? [continue reading]
In the past few years, sales of convenient, clean-burning gas fireplaces have increased dramatically. [continue reading]
Ten years ago, residential duct leakage testing was nonexistent. Today, it is routine for many energy conservation programs. Everyone has a favorite duct test, and many managers have adapted tests to meet the needs of their particular program. [continue reading]