Oh no, builders wouldn’t use that trade off to install…

Oh yes they would… Yep a naturally drafted water heater & 2 furnaces in a brand new house with a 2.26 ACH50, an exhaust only ventilation system, and no make up air source.

The Homeowners & Trades Resource Center
Oh no, builders wouldn’t use that trade off to install…

Oh yes they would… Yep a naturally drafted water heater & 2 furnaces in a brand new house with a 2.26 ACH50, an exhaust only ventilation system, and no make up air source.
