Insulation helps improve your home’s energy efficiency significantly reducing your heating and cooling costs. It slows down heat transfer, blocks outside noise, reduces the moisture in your house and prevents mold growth. There are several different insulation materials available in the market, each with its own advantages and disadvantages. You can select a material for your home according to your needs. If you are looking for an insulation contractor in Ottawa, O'Reilly Brothers Ltd can help. We provide blown cellulose and spray foam insulation along with sprayed fireproofing to our clients.