Most experts agree that caulking and weatherstripping-two simple air sealing techniques-will pay for themselves in energy savings within one year. Applying these techniques will also alleviate drafts and help your home feel warmer when it's cold.

Areas that leak air into and out of your home cost you lots of money. A qualified home energy efficiency contractor will evaluate and correct the following items and areas:

Dropped ceiling, Recessed and light fixtures, Attic entrance, Sill plates and floor system, Furnace flues, All heat and Ac ducts, Door frames, Chimney flashing, Window frames, Electrical outlets and switches, Plumbing and utility ingress and egress.

Sealing Air Leaks

Warm air leaking into your home during the summer and out of your home during the winter can waste a lot of your energy dollars. One of the quickest dollar-saving tasks you can do is caulk, seal, and weatherstrip all seams, cracks, and openings to the outside. You can save on your heating and cooling bill by reducing the air leaks in your home.

First, the home will be tested for air tightness. The testing shall include windows, doors, electrical boxes, plumbing fixtures, electrical outlets, ceiling fixtures, attic hatches, and other locations where there is a possible air path to the outside. air leak detection will be followed by caulking, sealing, or weatherstripping.

Caulk and weatherstrip doors and windows that leak air.

Caulk and seal air leaks where plumbing, ducting, or electrical wiring penetrates through walls, floors, ceilings, and soffits over cabinets.

Install foam gaskets behind electrical outlet and switch plates on walls.

Install additional insulation as needed, to eliminate air leaks into and out of your house. Small cracks, holes or crevices must be sealed with low-expansion spray foam made for this purpose.

Air leaks at interior wall/ceiling joints and wall/floor joists. These joints can be caulked.

Install storm windows over single-pane windows or replace them with more efficient windows, such as double-pane, low-e glass will argon gas. 

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