Attic Furnace Ventilation

Utility room is not closed off in any way to the rest of the house.

Attic furnace ventilation.

Just like properly sizing your furnace and air conditioning unit you want precisely the right amount of attic ventilation for your home. If you are unsure if you have this style the big clue is in the venting. Recently moved into home in eastern ma zone 5 and have a 2 story 3k sqft home. So why put an hvac system up in the attic at all.

New high efficiency furnaces can have efficiency of about 95 percent a huge savings for your wallet. You might not receive the same air movement benefits if the unit is in a garage either. Attic hvac systems save space. There are 3 gas furnaces and ac units.

The top of the t has soffit vents and a ridge vent. One of the furnaces is in the attic. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic. I have a goodman 93 high efficency natural gas furnace located in my single story home in the utility room.

Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. Well mainly it s a way to save space. The roof is a t shaped gable roof. The roofers installed 4 passive roof vents 3 being in the area of the furnace in the attic.

It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. When you place a furnace in the attic to take advantage of its. 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. 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.

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. The exhaust system typically uses metal venting often routed into a chimney stack to exhaust the combustion gases created in the furnace fire chamber. Newer high efficiency furnaces do not always have vent pipes that exit through the attic space.

Hi everyone i ve visited this site a couple times but this is my first post. 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 stem of the t has soffit vents and no vent at the top. Original installers used pvc to vent the furnace to the roof but combustion air for the furnace is pulled from inside the house.

The result is a cooler attic space with plenty of air exchange.