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Insulation

$0.25 - $0.30 per square foot

Insulation is one of the easiest, most cost-effective ways to make your property more comfortable year-round. Insulation helps maintain a uniform temperature in the property, keeping units warmer in winter and cooler in summer.

To get started on your energy-efficient upgrade follow the steps below or contact a program representative.

  1. Establish your eligibility.

    Read More >
    • Property’s heating must be provided by Portland General Electric or Pacific Power; or provided by NW Natural, Cascade Natural Gas or Avista.
    • Cash incentives are available to all Oregon multifamily attached residential properties with two or more units including: duplexes, triplexes and fourplexes; side-by-side units; and stacked structures with five or more units. For specific incentives based on your building type see the “Details” tab for further eligibility requirements.
    • Energy-saving improvements must meet program requirements.
  2. Find a trade ally contractor or work with your own contractor.

    We can help you get started.

  3. Install equipment that meets the requirements listed on the Details tab.

  4. Complete and submit an incentive application with supporting documentation.

    • A W-9 or Substitute W-9 form is required for investment properties.
    • Energy Trust must receive applications within 90 days from the date of purchase and installation.

    Download Application (PDF) Download Application (Doc)

    Send by Mail

    Energy Trust of Oregon
    Existing Multifamily Program
    811 SW 6th Ave, Suite 800
    Portland, OR 97204

    Send by Fax
    503.243.1154

  5. Get your incentive.

    You should receive a cash incentive check within 6-8 weeks after all information is received.

    Note: A post-installation verification may be required.

Projects must be installed in accordance with the specifications outlined in the Specifications Manual.

Incentive amounts listed below include 2020 bonuses. Bonuses are available May 18 – December 1, 2020.

For all property types* Incentive Requirements
Flat Roof Insulation $0.30 $1.30 per installed sq ft

Electric or gas heated building. For buildings up to 3 stories.
Existing condition: R-5 or less.
Retrofit requirements: R-20 or greater.

For side-by-side, duplex, triplex and fourplex properties only* Incentive Requirements
Attic/Ceiling Insulation $0.25 $1.25 per installed sq ft

Electric or gas heated building.
Existing condition: R-11 or less.
Retrofit requirements: R-38 or greater or fill attic space.

Floor Insulation $0.30 $1.25 (electric heated) and $0.70 (gas heated) per installed sq ft

Electric or gas heated building.
Existing Condition: R-0.
Retrofit Requirements: R-30 or greater or fill cavity.

Wall Insulation $0.30 $1.30 (electric heated) and $0.90 (gas heated) per installed sq ft

Electric or gas heated building.

Exterior wall insulation:
Existing Condition: R-4 or less.
Retrofit Requirements: R-11 or greater or fill cavity; all heated exterior wall surfaces must be insulated.

Knee wall insulation:
Existing condition: R-4 or less.
Retrofit requirements: R-15 or greater for 2×4 cavities; R-21 or greater for 2×6 cavities. Must have vapor-permeable air barrier.

Rim joist insulation:
Existing condition: R-4 or less.
Retrofit requirements: R-15 or greater.

For stacked structures with 5 or more units only* Incentive Requirements
Attic/Ceiling Insulation $0.25 per installed sq ft

Electric or gas heated building.
Existing condition: R-18 or less.
Retrofit requirements: R-49 or greater or fill attic space.

Floor Insulation $0.30 $0.80 (electric heated only) per installed sq ft

Electric-heated building.
Existing condition: R-11 or less.
Retrofit requirements: R-30 or greater fill cavity.

*Electric heated buildings must have service provided by Portland General Electric or Pacific Power and gas heated buildings must have service provided by NW Natural, Cascade Natural Gas or Avista.

Pipe insulation** Incentive Requirements
Gas Boiler Pipe Insulation - Low Pressure Steam (<15 psig)
$4 $12 per linear foot

≤ 1.5” pipe diameter, 1.5” min. insulation thickness.
> 1.5” pipe diameter, 2” min. insulation thickness.

Domestic Hot Water Pipe Insulation $4 $12 per linear foot

Central gas-fired recirculation systems only.
≤ 1.5” pipe diameter, 1.5” min. insulation thickness.
> 1.5” pipe diameter, 2” min. insulation thickness.

**Indoor pipe insulation projects must include all service jacketing (ASJ) and outdoor pipe insulation projects must include aluminum jacketing. Batt insulation does not qualify for an incentive.

Incentives are subject to funding availability and may change.

Need Help? Contact Us.

We’re here to explain the process and benefits. Give us a call at 1.877.510.2130 or send us an email at multifamily@energytrust.org.