IC Installed Cost

LENNOX heat pump

MLB018S4S-1P

M series

3 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.

13documented combinations
17.6–21.5SEER2 range
9.2–11.2HSPF2 range
1.75–2COP at 5°F range

Program-list matches

Certified combinations

Showing 1–13 of 13. Performance values are combination-specific.

AHRI referenceIndoor unitSEER2HSPF2COP at 5°FCapacity at 5°FOfficial-list match
207683522 MWMC018S4-1P 21.5 11.2 1.8 18,000 Btu/h Efficiency Maine Residential Heat Pump RebatesFocus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
210665629 MWMC018S4* 21.5 11.2 1.8 18,000 Btu/h Focus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
211034442 MWMC018S4-*P 21.5 11.2 1.8 18,000 Btu/h Efficiency Maine Residential Heat Pump RebatesFocus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
207683529 MCFB018S4-2P 20.5 9.8 1.86 16,800 Btu/h Focus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
210665638 MCFB018S4* 20.5 9.8 1.86 16,800 Btu/h Focus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
211034451 MCFB018S4-*P 20.5 9.8 1.86 16,800 Btu/h Efficiency Maine Residential Heat Pump RebatesFocus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
207683533 M22A018S4-2P 20 9.5 1.75 16,000 Btu/h Focus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
210665644 M22A018S4* 20 9.5 1.75 16,000 Btu/h Focus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
211034457 M22A018S4-*P 20 9.5 1.75 16,000 Btu/h Efficiency Maine Residential Heat Pump RebatesFocus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
207683526 MMDB018S4-2P 18 9.2 1.85 17,700 Btu/h Focus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
210665633 MMDB018S4* 18 9.2 1.85 17,700 Btu/h Focus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
211034446 MMDB018S4-*P 18 9.2 1.85 17,700 Btu/h Focus on Energy Heat Pump Instant DiscountsXcel Energy Colorado Heat Pump Rebates
212348049 MMA018SM4-*P 17.6 9.6 2 17,000 Btu/h Efficiency Maine Residential Heat Pump RebatesFocus on Energy Heat Pump Instant DiscountsXcel 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.