Power Smart insulation requirements

Insulation must be new, purchased in Canada, and have a verifiable R-value as determined by the Canadian Construction Materials Centre.

To qualify for a Power Smart Home Insulation Program rebate, insulation must meet the following Power Smart levels:

  • Attics – existing insulation must be R-30 or less:
    • the final R-value for attic insulation must reach R-50;
    • the final R-value for flat and cathedral ceiling insulation must reach R-28;
    • insulation added above total final R-value of R-50 will not be rebated for attics, flat, and cathedral ceilings;
    • a minimum of 100 sq. ft. must be insulated;
    • projects that include replacement of existing insulation are only eligible for the additional R-value added.
  • Attic kneewall (vertical wall) – existing insulation must be R-8 or less:
    • the final R-value for kneewall must reach R-24;
    • a minimum of 100 sq. ft. must be insulated.
  • Foundation walls:
    • natural gas heated home foundations must be uninsulated to be eligible;
    • homes using electricity, propane, fuel oil, or wood as their sole heating source must have existing insulation of R-12 or less;
    • the final R-value for foundation insulation must reach R-24;
    • insulation added above total final R-value of R-24 will not be rebated;
    • a minimum of 100 sq. ft. must be insulated.
  • Wall cavities:
    • the final R-value for wall cavity must reach R-10;
    • a minimum of 100 sq. ft. must be insulated;
    • projects that include replacement of existing insulation are only eligible for the additional R-value added.
  • Exterior walls – when re-siding:
    • the added R-value for exterior wall insulation must be a minimum of R-3.75;
    • maximum allowable added R-value for rebate is R-10;
    • a minimum of 100 sq. ft. must be insulated.