Does Attic Insulation Help Ac

The more insulation and fewer air gaps you ve got the slower the heat and air escape.

Does attic insulation help ac.

When sun shines on your attic the attic absorbs heat. During summer the reverse stack effect occurs. Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. This heat then transfers to your living space warming up the air conditioned air.

The answer to both questions is a hearty yes. And the less often you have to run your furnace. Unless you plan to convert your attic to a living space it doesn t make sense to seal it and route your hvac vents up there. Find a diagram of common air leaks here.

But that is not the only benefit of attic insulation. Ok so attic insulation is good during the winter. In your next case a hypothetical house without any ac does an attic fan make sense. The insulation in the attic area plays a crucial role in maintaining cool interiors during summers.

The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home. A lot of it migrates downward. Attic insulation can effectively solve the problem. It will seal the leaks and prevent release of air from the house.

As a result the ac has to exert more to maintain the same degree of cooling. Well it s possible that it will lower the attic temperature a few degrees. Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless. Soffit air is essential to the ventilation of your attic if your home is designed that way.

Warm air doesn t always rise. But it will also add to your electric bill. This will ensure optimum operation of the hvac unit. Every ounce of insulation you add pays off by reducing the amount of heat that tends to escape through attics thus lowering your heating bills as well as your air conditioning.

But you can install attic fans which will continuously replace the stagnant air with fresh outdoor air preventing your attic from turning into an oven. I would recommend installing berger accuvent baffles over every soffit vent before adding more insulation. Insulating the attic can prevent air leakage. Let s say it costs you 5 a month or 35 a season to operate.