For almost 50 years, Houle Insulation Inc. , a Minnesota based insulation contractor , has been re-insulating homes in Minnesota just like yours. A better insulated home is more energy efficient , comfortable and quiet . It will save you money on utility bills for years to come. And, by using less energy to heat and cool your home, you reduce the negative impacts on the environment caused by energy use. Houle Insulation Inc. specializes in re-insulating existing homes; sidewalls , attics, bypass sealing and blower door testing in the state of Minnesota . Blowing cellulose insulation into your walls and floors, and sealing attic bypasses can reduce high heating and cooling bills, ice dams and drafty rooms. Some other problems homeowners are faced with are frost , mold and water damage to ceilings.