IC Installed Cost

Viessmann heat pump

D5CSHAH18AAK

D5C 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
18–21.5SEER2 range
10.1–12.4HSPF2 range
1.86–2.2COP 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
217178795 D5FSHAH18XAK None published 21.5 11 1.92 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
217178796 D5FSOAH18XAK None published 20.7 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
217178799 D5FCFAH18XAK None published 20.5 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
217178798 D5FSFAH16XAK None published 20.2 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
217178797 D5FSCAH18XAK None published 20 12.4 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
217178801 D5FSDAH18XHK None published 18.5 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
217178755 D5FSAAH18XBK None published 18.2 10.1 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
217178800 D5FSDAH18XAK None published 18 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
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 Aug 2, 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.