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How to Insulate Your Attic for Maximum Efficiency

Dec 30

If your home is more than a few decades old, chances are the attic isn't as well insulated as it could be. That's not necessarily a problem in the summer, when temperatures are relatively mild. But come winter, all that heat escaping through the attic can drive up your energy bills significantly.

Fortunately, there are a number of different ways to insulate your attic so that it's more efficient. The best insulation for your particular situation will depend on a number of factors, including the climate you live in and the type of home you have. In this blog post, we'll explore some of the most common types of attic insulation San Jose and how they can help you save money on your energy bills.

There are three main types of attic insulation: fiberglass batts, blown-in cellulose, and spray foam. Each has its own advantages and disadvantages, which we'll explore in more detail below.

Fiberglass Batts

Fiberglass batts are one of the most common types of attic insulation. They're made from spun glass fibers that are infused with a resin binder. The batts are then cut to fit between the studs in your walls or ceilings. Fiberglass batts are relatively easy to install, and they're an inexpensive option if you're looking to do the job yourself. However, they don't provide as much protection from heat loss as some other options (such as spray foam). They also settle over time, which can create gaps in the insulation. 

Blown-In Cellulose

Blown-in cellulose is another popular option for attic insulation. As the name suggests, it's made from cellulose (recycled newspaper) that's been treated with fire retardants and blown into the attic space with a special machine. Blown-in cellulose provides excellent coverage and is very effective at preventing heat loss. It's also environmentally friendly and relatively inexpensive. The downside is that it can be messy to install, and it doesn't always adhere well to surface areas that aren't perfectly level (such as rafters). 

Spray Foam

Spray foam is one of the most effective types of attic insulation available. It's made from two chemicals that are mixed together and sprayed onto surfaces using a special applicator gun. When it dries, spray foam expands to fill any cracks or gaps—creating an airtight seal that prevents heat loss (and pests!). The downside of spray foam is that it's one of the most expensive types of insulation available. It also requires professional installation, so it's not a good option if you're looking to do the job yourself. 

Conclusion

There are a number of different ways to insulate your attic, but not all options are created equal. The best type of insulation for your home will depend on factors like climate and budget. Fiberglass batts are a popular choice because they're relatively inexpensive and easy to install; however, they don't provide as much protection from heat loss as some other options (such as spray foam). Blown-in cellulose is another popular option that provides excellent coverage and is very effective at preventing heat loss; however, it can be messy to install, and it doesn't always adhere well to surface areas that aren't perfectly level (such as rafters). Spray foam is one of the most effective types of insulation available; however, it's also one of the most expensive options, and it requires professional insulation installation San Jose.

 

ESI Heating & Cooling

1336 Fremont St, Santa Clara, CA 95050

(408) 944-5345