The breakdown
No assessment needed — attic & cathedral ceiling
Attic, from ≤R-12
up to $1,250
Must reach R-50 minimum across 100% of the roof assembly.
Attic, from R-12–25
up to $1,000
Same R-50 minimum target.
Attic, from R-25–35
up to $800
Smaller gap, smaller rebate.
Cathedral ceiling / flat roof
up to $750
From ≤R-25 to R-28 minimum, or up to $650 from ≤R-12 to R-20 minimum.
Assessment required — walls, foundation, crawlspace
Exterior wall
up to $3,600
Foundation / basement wall
up to $1,500
Crawlspace
up to $1,200
Exposed floor
$300
The assessment-tier amounts require a $600 home energy assessment (refunded as part of your rebate) and completing at least 2 qualifying upgrades — see the assessment-required breakdown on the Toronto hub.
How to claim it
- For attic: confirm eligibility, pick a participating insulation contractor, get it installed, contractor submits the application
- For walls/foundation: book an energy assessment first, then follow the assessment-path steps
Get an exact number: Fill out our free assessment tool to see your Toronto-specific rebate amount.
Run your free assessment →
Next steps
View all Toronto rebate programs → or check the official Home Renovation Savings Program site → for the current source of truth.