Insulation for Commercial Buildings

Incentives are available for adding insulation to the attic and/or walls of electrically heated commercial buildings that use a heat pump or electric resistance heat.

Existing insulation for attics must be R0-R5. New insulation for attics must achieve R19-R49 (must fill cavity).

Existing insulation for walls must be R0 (no insulation). New insulation for walls must achieve R11-R19.

Incentives are $1 per square foot, depending on heat type and location. Incentives are available only for retrofits; new construction projects are not eligible.

To apply for the incentive please submit to Chelan County PUD:

By email:
By mail:
Chelan PUD Conservation
PO Box 1231
Wenatchee, WA 98807-1231

Phone: (509) 661-4187
For questions, email:

Commercial Attic Insulation