Attic Insulation Installation, Toronto

What installation actually involves

Most attic quotes in Toronto price one thing: blowing material. That is the last of three steps and the least important of them. Air moving through a gap carries more heat than conduction through a poorly insulated ceiling does, so a sealed attic at R–40 beats a leaky one at R–60 every winter.

1. Air sealing. Top plates, plumbing stacks, wiring penetrations, bath fan housings, chimney chases, and the hatch. This is the half of the job you cannot see afterwards.
2. Ventilation. Baffles in every rafter bay with a soffit vent beneath it, so the eaves stay open once the material is deep.
3. Blowing to R–50. Cellulose or fibreglass, chosen for the attic in front of us, blown to a measured depth with markers left standing.

When this is the wrong answer

If the existing material is wet, rodent-fouled or compacted flat, installing over it buys you nothing — it comes out first. If the roof is leaking, the roof comes first. And if the attic already measures over R–35, we will tell you the rebate stream will not pay and price the air sealing on its own instead.

What the programme pays

Up to $1,250 on the attic stream with no energy assessment, set by the depth that is there before we start, and capped at half the invoice after tax. The full table is here.

Amounts are set by Enbridge Gas and Save on Energy and are quoted from the programme pages — attic stream, assessment stream — checked September 2026.

Common questions