The last step in installing the ERV was to duct the supply and exhaust to the exterior of the house. The manufacturer recommended using insulated flex duct for this portion of the install, since these ducts will run through unconditioned …
Installing ductwork properly is quite a bit more difficult than running pipes for plumbing or wires for electrical. It is, in fact, so difficult that “more than half of new HVAC systems in U.S. homes do not perform to their rated …
I meticulously planned out my electrical and plumbing runs before I even submitted my plans to get a building permit. Unfortunately I had not done likewise with my ductwork. I had planned for a conditioned space in the attic to …
Not too many people have ever heard of an ERV (Energy Recovery Ventilator), or the very similar HRV (Heat Recovery Ventilator). The machines are relatively new to residential buildings so you would be hard pressed to find one in anything …