IC Installed Cost

Wells heat pump

WOS-18QUA

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.

8documented combinations
18.5–24SEER2 range
9.8–13.5HSPF2 range
2.05–2.4COP at 5°F range

AHRI-linked program records

Certified combinations

Showing 1–8 of 8. Performance values are combination-specific.

AHRI referenceIndoor unit / coilFurnaceSEER2HSPF2COP at 5°FCapacity at 5°FAHRI-linked list records
215864042 WIHW-18MOC/230 None published 24 11.1 2.35 13,000 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
215864066 WICS-16MOC/230 None published 23.8 13.5 2.16 13,100 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
215864067 WIFC-18MOC/230 None published 22.3 10.4 2.05 12,800 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
215864056 WI1C-18MOC/230 None published 22.2 12.2 2.24 13,100 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
215864052 WI4C-18MOC/230 None published 20.7 11.4 2.2 12,800 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
215864059 WIDL-18MOC/230 None published 20 10.5 2.2 14,000 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
215864062 WIDH-18MOC/230 None published 20 11.3 2.4 14,200 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
215864020 WIAH-18MOC/230 None published 18.5 9.8 2.3 13,000 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.