HRV revisit

[wingedfish]

Originally Posted by Coleus

WingedFish, normally how much do you charge for just installation? It seems like in Calgary, installer charge roughly 1K

Depends on the job, some are quick with a mechanical room on an outside wall and don't need it pretty. Some are not.

Originally Posted by Coleus

also it has defrost port which i don't know if it is that useful.

The defrost is needed for when your moist humid stale air freezes to the heat exchanger. this will block the air exchange in cold weather, the real time to need it. For a reefer, a defrost mechanism is a must.