Ventilation in the 2019 California Energy Code
It is not unusual for California to be first and unique. Just one year after the 1973 oil embargo exposed this country’s reliance on foreign oil, California was the first state to implement a ...
An innovative way to cool houses has recently been tried at two sites in California. It's called night evaporative underfloor cooling storage (NEUCS). [continue reading]
Energy auditors cringe when they see open windows cooling off overheated apartments on cold days. By preventing apartment overheating, thermostatic radiator valves (TRVs) can cost-effectively reduce space heating energy use, according to a recent study in New York City. [continue reading]
Evaporative coolers cost only one-tenth to one-fourth as much to operate as refrigeration air conditioning and are much cheaper to buy ($400-$800). This makes them an excellent option, particularly in hot, dry areas of the country. [continue reading]
All houses and apartments need an efficient way to exhaust stale, moist indoor air and introduce outdoor air. [continue reading]
When something must be done about an old or inefficient heating system, the challenge can be daunting. The decision will affect comfort, energy costs, and the air quality and safety of a home for years to come. [continue reading]
In the Northwest, energy losses in forced-air systems average 25%-30% in electrically heated homes, with some homes being significantly worse. [continue reading]
The past year has seen many developments in HVAC technology and the industry as a whole. For contractors, understanding these ...
Lack of affordable housing and energy burdens plague many people and communities. Cities throughout the United States are looking for ...