Insulating Gas Furnace In Attic
The department of energy predicts that prices for natural gas and heating oil will rise again this winter compared with last and that s after a year in which heating oil prices rose sharply in most.
Insulating gas furnace in attic. Most often the attic is sealed by installing spray foam insulation at the roofline thus bringing the attic inside the building enclosure and turning it into conditioned space directly or indirectly. Fiberglass insulation cannot just butt up to the vent pipe touching it. Rigid foam insulation is attached to the walls with adhesive and to the. Now that you have safely sealed the air leaks around the furnace exhaust you can work on insulating your attic space.
If your house is in a cold climate keeping it warm in winter is expensive. We re getting proposals to install a new central ac and gas furnace in the attic of our home. Insulating around a furnace exhaust pipe. High efficiency furnaces aren t usually recommended for an attic.
When you can use natural gas over electricity there is an opportunity to boost the efficiency rate of your furnace as well. The trick to the installation of a gas furnace in an attic space is routing the condensate drain from the attic down through the core of the house to the basement. The flue is the metal tubing that extends up from the top of your gas furnace or water heater that carries the carbon monoxide gas from the heating unit to your. Insulating your attic can save you money there s no getting around it.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic. It is important to note the optimal conditions for an attic installation is when the attic is fully insulated making it a conditioned space. My plan was to get a high efficiency gas fired furnace in lieu of a heat pump or electric furnace. A furnace in the attic is a design that works for all homes.
If a high efficiency unit can hit 90 with a typical installation then you can achieve a rating of at least 65 with a standard installation. The attic is a sealed space by polyurethane foam and will need a combustion air source. How to insulate a metal flue pipe. Insulating the walls and ceiling in a furnace room can reduce heating costs and make the furnace more energy efficient.
A while back i wrote about the incompatibility of putting an atmospheric combustion furnace in a sealed attic.