IC Installed Cost

Wells heat pump

WOS-18PRE

WOS Series

5 tracked programs have AHRI-linked equipment records.

Eligibility belongs to the complete outdoor-and-indoor combination—not just this outdoor model. Check the AHRI reference and indoor model in the table before relying on a result.

Check this complete system in Connecticut

AHRI links below are discovery evidence. They do not compare every model suffix or required component. Use the guided check for a full equipment comparison.

9documented combinations
18–21.7SEER2 range
10–12.3HSPF2 range
1.86–2.2COP at 5°F range

AHRI-linked program records

Certified combinations

Showing 1–9 of 9. Performance values are combination-specific.

AHRI referenceIndoor unit / coilFurnaceSEER2HSPF2COP at 5°FCapacity at 5°FAHRI-linked list records
215864047 WIHW-18MOC/230 None published 21.7 10.8 2 18,000 Btu/h Efficiency Maine Residential Heat Pump RebatesEnergize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates
215864076 WI1C-18MOC/230 None published 20.6 12.2 1.89 17,500 Btu/h Efficiency Maine Residential Heat Pump RebatesEnergize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates
215864088 WIFC-18MOC/230 None published 20.4 10.3 1.86 17,000 Btu/h Efficiency Maine Residential Heat Pump RebatesEnergize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates
215864088 WIFC-18MOC/230 None published 20.4 10.3 1.86 17,000 Btu/h Efficiency Maine Residential Heat Pump RebatesEnergize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates
215864071 WI4C-18MOC/230 None published 20 12.3 1.9 17,000 Btu/h Efficiency Maine Residential Heat Pump RebatesEnergize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates
215864087 WICS-16MOC/230 None published 20 10.3 1.95 17,500 Btu/h Efficiency Maine Residential Heat Pump RebatesEnergize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates
215864083 WIDH-18MOC/230 None published 18.4 11.1 2.1 18,000 Btu/h Efficiency Maine Residential Heat Pump RebatesEnergize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates
215864022 WIAH-18MOC/230 None published 18 10 2.2 18,000 Btu/h Efficiency Maine Residential Heat Pump RebatesEnergize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates
215864080 WIDL-18MOC/230 None published 18 10.5 2 18,000 Btu/h Efficiency Maine Residential Heat Pump RebatesEnergize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates
What this result does not prove

A product-list match does not establish household, property, contractor, sizing, weatherization or remaining-funding eligibility. Installed Cost never states a rebate dollar amount. Follow the official program link for the current application rules and calculator.

Specifications reflect source records last updated Sep 3, 2026. ENERGY STAR is a registered certification mark; its name is used only to identify the federal source. Installed Cost is not endorsed by ENERGY STAR or AHRI.