We have no idea whether [Nick Goodey] is a trained engineer or not. But given the detailed design of this DIY energy recovery ventilator for his home HVAC system, we’re going to go out on a limb and ...

Q I live in a modern well-insulated bungalow that has a great deal of condensation, which I keep under control with a dehumidifier. Would a “heat recovery ventilation system” be a better alternative?

Last week I reviewed some of the general strategies used for ventilating buildings -- or not. This week, I’ll zero in on the types of balanced ventilation in which heat is recovered from the outgoing ...

Out goes the bad air, in comes the good. Anyone who has ever earned a first-aid badge knows this chant. It's the mantra that applies to artificial respiration -- the act of forcing the breath of life ...

Q: What settings should I adjust my new heat recovery ventilator (HRV) to? I had a unit installed in my tightly constructed new house, but I find that running it continuously at low or medium makes ...