HRV or ERV / Discussions

...ormance energy efficient home building.  The main difference between HRVs and ERVs is that energy recovery ventilators keep moisture on the side of the building enclosure where it already is. So for very humid climates or very dry climates it can make more sense to keep the moisture where it is, making an ERV the bette...

...originated, while and HRV will transfer the humidity. Have a look on this page for more help choosing – Choose between an HRV and ERV, which is best for cold climates The major difference between the two is that an HRV transfers moisture either in or out depending on where its more humid, whle an ERV keeps the moisture...

...or cubic feet per minute Performance, or heat recovery rate – meaning the percentage of heat recovered from exhaust air The decibel level of the unit to avoid noise pollution in homes if it is near living areas Motor efficiency Warranty See this page on choosing between an HRV and ERV, a heat recovery ventilator or en...