Home Retrofit

Limited time Southwest Washington incentive increases


For a limited time, Energy Trust of Oregon is offering increased incentives to residential customers of NW Natural in Southwest Washington for installing a qualifying gas furnace, tankless water heater and insulation. Customers must live in an existing single-family home or multifamily residence* and have a qualifying energy upgrade professionally installed between July 1, 2020 and December 31, 2020.

Energy UpgradeCurrent IncentiveIncentive Effective July 1RequirementsHow to apply
Gas furnace$200$55095% or greater AFUE. Must be home’s primary heat source. Not eligible for gas furnaces used as backup for high-efficiency heat pumps, also known as hybrid systems. A CO monitor is required on every floor with a bedroom. Online application or Form 320C-HVAC
Tankless water heater$200
$400Uniform Energy Factor (UEF) must be 0.81 or greater. A CO monitor is required on every floor with a bedroom. Online application or Form 320C-WH
Attic insulation$0.60 per square foot$0.75 per square footExisting insulation must be R-11 or less. Must insulate to R-38 or greater or fill cavity. Online application or Form 320C-WX
Wall insulation$0.60 per square foot$0.75 per square footExisting wall, rim joist and knee wall insulation must be R-4 or less.

Exterior walls must be insulated to R-11 or greater or fill cavity. All heated exterior wall surfaces must be insulated.

Rim joists must be insulated to R-15 or greater or fill cavity.

Knee walls must be insulated to R-15 or greater for 2x4 cavities or R-21 or greater for 2x6 cavities. Attic insulation must be R-19 or higher in order for knee wall insulation to be eligible for an incentive.
Online application or Form 320C-WX
Floor insulation$.60 per square foot$0.75 per square footExisting insulation must be R-0. Must insulate to R-30 or greater or fill cavity. Online application or Form 320C-WX

*Eligible multifamily residences include side-by-side units or duplexes, triplexes or fourplexes.

For more information about limited-time increased incentives for Southwest Washington customers of NW Natural, visit our Incentives for Washington Homeowners webpage or contact the Residential trade ally team at 1.866.365.3526.