Attic Furnace Ventilation

You might not receive the same air movement benefits if the unit is in a garage either.

Attic furnace ventilation.

Attic hvac systems save space. New high efficiency furnaces can have efficiency of about 95 percent a huge savings for your wallet. Just like properly sizing your furnace and air conditioning unit you want precisely the right amount of attic ventilation for your home. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.

So why put an hvac system up in the attic at all. The top of the t has soffit vents and a ridge vent. There are 3 gas furnaces and ac units. Insufficient ventilation can lead to moisture problems during the winter and decreased energy efficiency during the summer but too much ventilation can be just as bad if not worse.

The roof is a t shaped gable roof. Original installers used pvc to vent the furnace to the roof but combustion air for the furnace is pulled from inside the house. Hi everyone i ve visited this site a couple times but this is my first post. When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.

When you place a furnace in the attic to take advantage of its. The stem of the t has soffit vents and no vent at the top. I have a goodman 93 high efficency natural gas furnace located in my single story home in the utility room. One of the furnaces is in the attic.

The result is a cooler attic space with plenty of air exchange. Recently moved into home in eastern ma zone 5 and have a 2 story 3k sqft home. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. The furnace is located in the stem.

Attic ventilation with gas furnace in attic previous to this new roof there was no attic ventilation and 2 years ago a gas furnace ah was installed in the attic for hvac on the second floor. The exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. If you are unsure if you have this style the big clue is in the venting.

It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. A conventional natural gas furnace will vent the dangerous combustion gases through a simple vertical exhaust system that is attached to the furnace. Well mainly it s a way to save space. If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure.

The roofers installed 4 passive roof vents 3 being in the area of the furnace in the attic.