Attics, Basements, Garages

Attics, basements, garages, crawl spaces, and porches can have a tremendous impact on whether your home is too hot, too cold, too damp—or too expensive to operate.

  • Crawl Spaces

    If your house has a raised floor and no basement, the crawl space is the area between the floor framing and the ground below. This space can be either vented (the most common practice until recently) or unvented (sealed).Although codes have encouraged vented crawl spaces for decades, recent…

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  • Do Today/Do Later

    Projects you can do today:Check for air leaks between surrounding spaces and conditioned spaces.Pay for a couple of hours of a building professional’s time to get a better sense of what your project could entail, and of how much energy it could save.Determine whether you really need extra space.If…

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  • Basements

    Being underground, basements tend to be damp. Whether or not you plan to convert your basement to a living space, it’s crucial to identify and resolve all moisture problems. Moisture can damage stored items and interior finishes, and mold or mildew can form on damp surfaces.…

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  • Garages

    If you don’t plan to convert your garage to living space, look carefully at the boundaries between house and attached garage, and between garage and outdoors. Good air sealing and insulation between your garage and living space will minimize unwanted heat transfer and keep vehicle exhaust out of…

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  • Converting an Attic to Living Space

    Turning your attic into living space involves the same sealing and insulating tasks described for unvented attics. It also involves structural factors.Many attic floors are not designed to…

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  • How to Insulate?

    Attics can be extremely hot in summer and cold in winter. Having plenty of insulation helps. In homes with vented attics, insulation usually goes in any wall or ceiling of conditioned rooms adjacent to the attic. Take care not to lose vent area by allowing insulation to cover any vents. In unvented…

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  • Vented Vs. Unvented Attics

    The attic includes everything from the finished ceiling up to and including the underside of the roof. Many attics have air leaks from the house, insufficient insulation, poorly installed heating systems, and inefficient skylights. All of these can waste your energy and money, and leave you feeling…

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