Attic insulation serves as a barrier to heat flow, keeping your indoor environment comfortable and helping you save money on energy costs. It also lowers humidity and reduces moisture-related damage to your roof, walls, and furniture. In a hot climate, insulation is especially important in the attic. Keeping the attic well-insulated will prevent the heat from escaping into your living spaces and reducing the amount of work your air conditioner needs to do to keep your home cool.
The type of insulation you choose and where it’s installed is vital for maximizing its effectiveness in a hot climate. Insulation is rated by its R-value, with higher numbers meaning more resistance to heat flow. In general, you will want to go with a higher R-value for attics and roofs than for walls, as the heat tends to accumulate in these areas.
Insulation Tips for Homes in Hot Climates
There are several types of insulation that can be used in the roof and walls of your home, including batts, blown-in, and spray foam. Fiberglass batts come in pre-cut rolls that can be fitted between studs or joists. They offer good thermal resistance but can lose their R-value over time. Blown-in insulation is made from fiberglass or cellulose and is blown into wall cavities using special equipment. It offers better R-value and air sealing capabilities but can settle, reducing its efficiency over time.
Spray foam insulation is highly effective for hot climates as it can be injected into gaps and crevices that other insulation cannot reach. It can provide high R-values and tightly seal air gaps, keeping the inside of your home cool and saving on your energy costs. It is not cheap, however, and requires a professional installation.
Spray Foam Insulation Phoenix
Phoenix, AZ 85015
(602)825-3298