What Are Some Companies That Insulate Attics?


Quick Answer

Companies such as Terminix and home improvement stores such as Home Depot and Lowe's offer services to insulate attics, typically using blown-in or loose fill insulation. In addition, Terminix insulation is treated to control 11 types of household pests. All three retailer offer customers an estimate via a free in-home consultation, as of 2016.

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Full Answer

The R-value is a way of comparing the insulating properties of different materials. The U.S. Department of Energy recommends unfinished attics have an R-value of R-30 for hot climates, R-38 for temperate climates and R-49 for cold climates. Loose fill cellulose insulation typically offers an R-value of 3.7 per inch; loose fill fiberglass, 2.5 per inch; loose fill mineral wool, 2.8 per inch; and fiberglass blanket insulation, 3.2 per inch.

The Department of Energy states that a properly insulated attic can save a typical homeowner 10 to 50 percent of her energy bill. Signs that a home may need more insulation include drafts, temperature variation between rooms, a ceiling that is cold in winter or warm in summer, excessively high energy bills and ice damming on the roof and eaves in winter. A homeowner can contact a professional energy auditor to assess the situation. After receiving an assessment, a homeowner may want to contact her local utility company, since many offer financial incentives for insulation projects.

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