Energy Recovery Ventilators (ERVs) and Heat Recovery Ventilators (HRVs) are balanced ventilation systems that remove stale, stagnant air from inside your house while adding back an equal volume of fresh outdoor air. As homes have become more tightly constructed and air-sealed to conserve energy, air stagnation and unhealthy indoor air quality have become acute. ERVs and HRVs not only ventilate with balanced air volume, but they also transfer heat. The advantages of both ERVs and HRVs depend largely on the status of air infiltration through cracks, gaps and other air leaks. Older, “leaky” houses typically benefit less from ERVs and HRVs than newer, airtight structures.
Donald P. Dick Air Conditioning Blog: Posts Tagged ‘HRV’
What’s the Difference Between ERVs and HRVs?Tuesday, August 25th, 2015
Steps for Buying an Efficient Ventilation System for Your HomeThursday, September 18th, 2014
Buying an efficient ventilation system for your Fresno area home is important for several reasons. With today’s homes being constructed with an emphasis on energy efficiency, mechanical ventilation becomes critical if healthy indoor air quality is to be achieved and maintained. According to the U.S. Environmental Protection Agency, indoor air pollution can be much worse than outdoor pollution. The number one solution to counteracting unhealthy levels of indoor air is adequate ventilation.
HRV for Summertime Comfort: Fresh Air and A Boost to CoolingThursday, June 20th, 2013
Letting in fresh air through the windows is great, but not when the weather outside is uninviting, or the pollution index is high. The problem is that without adequate air exchange, the air inside your home quickly becomes more polluted than the air outside. The answer for comfortable summertime fresh air is an HRV.