Exactly what does the v in hvac stand for and why?
If you're staring at your thermostat or a repair bill, you might be wondering exactly what does the v in hvac stand for and why it even matters compared to the heating and cooling parts. Most of us focus on the "H" (Heating) when it's freezing outside and the "AC" (Air Conditioning) when the summer heat becomes unbearable. But that middle letter, the "V," is arguably the unsung hero of your home's comfort and, more importantly, your health. ...