ERV / Discussions

...ERV is a centralized ventilation core where incoming air is pre-heated or pre-cooled by exhaust air. No heating or cooling coil is present, you are simply running a fan, and a heat exchange takes place in the core. Read more  here about choosing between an HRV and ERV here. To soup that up a little, some builders will ...

...ERV  is very different than normal HRV's. Rather than having a centralized core where the heat exchange takes place, Lunos units each have a ceramic core and their own individual fans. They work in pairs, with one unit blowing in while the other blows out. Exhaust air heats the core, and incoming air is warmed by the c...

...ERV, a heat recovery ventilator or energy recovery ventilator. Calculating the fresh air requirements of a home as well as proper placement of ducts are not easy calculations to make, so this is best left to licenced HVAC installers. All too often a DIY ventilation job or one done by an overly-confident but inexperienc...

...ERV & HRV unit, see here. As a minimum until an HRV or ERV unit is installed, be sure to run a bathroom fan when showering as well as stove hoods when you cook, and keep lids on pots as well, that will probably help too. For the moment though, you’d be wise to buy a hygrometer to track the humidity, they are cheap ...