How Much Does It Cost To Insulate A House?

House insulation cost ranges from $0.20-$6 per square foot. The cost varies depending on what insulation is used, how large the home is and whether homeowners do the work themselves or a contractor does the work for them. Fiberglass insulation is generally the cheapest option. The cost to insulate a 1000 square foot room is around $200-$1000 when using fiberglass insulation. Blown in insulation prices to insulate a 1000 square foot room fall around $600 to $3000. The cost to insulate a 1000 square foot room is around $1500-$6000 when using foam insulation. Home insulation cost when done by the homeowner is about half of the cost when it is done by a contractor. The cost of insulation also varies per location.

Insulation Cost Per Sq. Ft.

The cost of insulation per sq ft varies depending on what type of insulation is used and whether homeowners do the work themselves or hire a contractor to do the work for them. The cost of insulation per square foot also varies per location and where it is purchased. The cost of insulation per sq ft is about half the cost when homeowners do the work themselves compared to when a contractor does the work for them. The average cost of fiberglass insulation is $0.50-$1 per square foot when a contractor does the work. The cost is around $0.20 to $0.60 per square foot when installed by the homeowner. Average blown in insulation cost is $0.75 to $3 per square foot when a contractor does the work. The cost is $0.60-$1 per square foot when homeowners install the insulation. Average home insulation cost using foam insulation is $1.50 to $6 per square foot installed by a contractor.

Blown In Insulation Cost

Blown in insulation costs more than fiberglass insulation; however, blown in insulation traps more heat in the house, thus saving the homeowner money on heating and cooling costs. Blown in insulation costs $0.75 to $3 per square foot when a contractor does the work. If homeowners do the work, the cost is $0.60-$1 per square foot. To install blown in insulation themselves, homeowners will need to rent an insulation blower. Atticat has blowers homeowners can rent. A blower for Atticat insulation is around $6000 to buy or around $75 a day to rent. Atticat insulation cost is around $2 per square foot without installation.

Foam Insulation Cost

Foam insulation is also known as spray foam insulation. Foam insulation is one of the best types of insulation; however, foam insulation prices are higher than blown-in or rolled insulation prices. Foam insulation requires a special machine to install and should be installed by a professional. Foam insulation prices range from $1.50 to $6 per square foot. Prices vary depending on the type of foam insulation used. Polyisocyanurate foam is the most expensive type. Polyisocyanurate foam insulation cost is $5-$6 per square foot.

Spray Foam Insulation Cost

Spray foam insulation is also called foam insulation. It is one of the best types of insulation; however, it is also one of the most expensive. Spray insulation cost is $1.50 to $6 per square foot. Insulating a 1000 square foot room with spray insulation costs from $1500-$6000. USA Insulation uses a type of spray foam insulation called Polyisocyanurate insulation. USA Insulation prices are $5-$6 per square foot. To have a 1000 square foot room insulated with USA Insulation would cost $5000-$6000.

Cellulose Insulation Cost

Cellulose insulation is the most commonly used type of blown-in insulation. Cellulose insulation cost is $0.75 to $2 per square foot when installed by a contractor. The cost is $0.60-$1 per square foot when installed by the homeowner.  Insulating a 1000 square foot room with cellulose insulation costs from $750-$2000 when done by a contractor and $600-$1000 when done by the homeowner.

Fiberglass Insulation Cost

Fiberglass insulation is the most common and cheapest type of insulation used by homeowners. It is usually sold in rolls or bags and can be installed by both homeowners and contractors. Fiberglass insulation prices are $0.50-$1 per square foot when installed by a contractor and $0.20-$0.60 per square foot when installed by the homeowner. Insulating a 1000 square foot room with fiberglass insulation costs from $500-$1000 when done by a contractor and $200-$600 when done by the homeowner.

Blue Jean Insulation Cost

Blue Jean insulation is recycled insulation, created from recycled denim jeans and fiberglass. Blue Jean insulation prices are $1-$2 per square foot when installed by a contractor and around $0.80 per square foot when installed by the homeowner. Insulating a 1000 square foot room with Blue Jean insulation costs from $1000-$2000 when done by a contractor and around $800 when done by the homeowner.

Rockwool Insulation Cost

Rockwool Insulation is a type of blown in insulation. Rockwool insulation cost is $1-$3 per square foot. Insulating a 1000 square foot room with Rockwool insulation costs from $1000-$3000.

Polyisocyanurate Insulation Cost

Polyisocyanurate insulation is a type of foam insulation and is considered one of the best types of insulation a homeowner can use. Polyiso insulation is more expensive than most other types of insulation. Polyiso insulation cost ranges from $4-$6 per square foot. USA Insulation uses Polyisocyanurate insulation; USA Insulation prices are $5-$6 per square foot. To have a 1000 square foot room insulated with Polyisocyanurate insulation would cost $4000-$6000.

DIY Insulation Installation

DIY insulation installation can save homeowners hundreds of dollars when insulating their home. Fiberglass insulation cost is around $0.20 to $0.60 per square foot when installed by the homeowner.

Blue Jean insulation costs around $0.80 per square foot when homeowners install it themselves. Cellulose installation prices are $0.60 to $1 per square foot when homeowners install the insulation themselves. When installing blown in insulation, homeowners will have to rent a blower; an insulation blower costs around $50-$100 a day to rent, depending on where it is rented from. Some stores offer a discount on the cost of insulation or on the rental cost of the blower when they are all purchased together. DIY insulation installation cost varies depending on location and where the insulation is purchased from.