All HVAC Blogs

Open-cell or closed-cell spray foam for your attic? A GTA insulation contractor explains the real performance differences, costs, and which type is actually worth the money for Ontario homeowners.

After 18 years insulating GTA homes, here is an honest comparison of spray foam vs blown-in cellulose for Ontario attics – performance, cost, rebates, and which material wins for most homeowners.

Thinking about DIY attic insulation to save money? A 20-year GTA contractor compares real costs, risks, and rebate eligibility to help you decide what actually makes financial sense.

Got a $4,300 quote for attic insulation and wondering if it’s fair? A GTA contractor breaks down real 2026 costs, what drives price differences, and how Ontario rebates can cut your bill by 70-85%.

Last Updated: February 3, 2026 Attic insulation cost Ontario – get the real numbers from a contractor with 18+ years of experience. This honest breakdown covers everything Ontario homeowners need to know about insulation pricing. About the Author The first attic I ever insulated was my uncle’s bungalow in Scarborough, back in the summer of…