IC Installed Cost

ARMSTRONG AIR heat pump

4DHP2S24S-1P

2 tracked programs list at least one exact combination.

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.

8documented combinations
19–22SEER2 range
9.6–11HSPF2 range
1.8–2.3COP at 5°F range

Program-list matches

Certified combinations

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

AHRI referenceIndoor unitSEER2HSPF2COP at 5°FCapacity at 5°FOfficial-list match
208106677 D33C224S4-1P 21.5 9.6 2.2 18,500 Btu/h Xcel Energy Colorado Heat Pump Rebates
208106677 D33C224S4-1P 21.5 9.6 2.2 18,500 Btu/h Xcel Energy Colorado Heat Pump Rebates
211034536 D33C224S4-*P 21.5 9.6 2.2 18,500 Btu/h Efficiency Maine Residential Heat Pump RebatesXcel Energy Colorado Heat Pump Rebates
208106680 DMD224S4-1P 19 11 2.3 20,000 Btu/h Xcel Energy Colorado Heat Pump Rebates
208106680 DMD224S4-1P 19 11 2.3 20,000 Btu/h Xcel Energy Colorado Heat Pump Rebates
211034530 DMD224S4-*P 19 11 2.3 20,000 Btu/h Efficiency Maine Residential Heat Pump RebatesXcel Energy Colorado Heat Pump Rebates
208106674 DWM224S4-1P 22 9.9 1.8 15,500 Btu/h Efficiency Maine Residential Heat Pump RebatesXcel Energy Colorado Heat Pump Rebates
211034523 DWM224S4-*P 22 9.9 1.8 15,500 Btu/h Efficiency Maine Residential Heat Pump RebatesXcel 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 Jul 29, 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.