High-Efficient Furnaces Use Sidewall Vents: Potential Problems
Stack Heating, Cooling, Plumbing & Electric2022-09-01T09:50:04-05:00High-efficiency furnaces use sidewall vents for “breathing” in outside air for fuel combustion, and “exhaling” cooled exhaust gases nearly depleted of heat. If you’re unfamiliar with the venting and combustion processes of high-efficiency furnaces, take