Lennox heat pump

MLB018S4S-1P

Name: Lennox MLB018S4S-1P heat pump combinations
Creator: Installed Cost

MMA series

3 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.

13documented combinations

17.6–21.5SEER2 range

9.2–11.2HSPF2 range

1.75–2COP at 5°F range

AHRI-linked program records

Colorado

Xcel Energy Colorado Heat Pump Rebates

13 AHRI-linked records.

Published source date Mar 1, 2026. Metadata reviewed Jul 29, 2026.

Maine

Efficiency Maine Residential Heat Pump Rebates

5 AHRI-linked records.

Published source date Jul 16, 2026. Metadata reviewed Jul 29, 2026.

Wisconsin

Focus on Energy Heat Pump Instant Discounts

13 AHRI-linked records.

Published source date Jun 18, 2026. Metadata reviewed Jul 29, 2026.

Certified combinations

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

AHRI reference	Indoor unit / coil	Furnace	SEER2	HSPF2	COP at 5°F	Capacity at 5°F	AHRI-linked list records
207683522	MWMC018S4-1P	None published	21.5	11.2	1.8	18,000 Btu/h	Efficiency Maine Residential Heat Pump Rebates Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
210665629	MWMC018S4*	None published	21.5	11.2	1.8	18,000 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
211034442	MWMC018S4-*P	None published	21.5	11.2	1.8	18,000 Btu/h	Efficiency Maine Residential Heat Pump Rebates Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
207683529	MCFB018S4-2P	None published	20.5	9.8	1.86	16,800 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
210665638	MCFB018S4*	None published	20.5	9.8	1.86	16,800 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
211034451	MCFB018S4-*P	None published	20.5	9.8	1.86	16,800 Btu/h	Efficiency Maine Residential Heat Pump Rebates Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
207683533	M22A018S4-2P	None published	20	9.5	1.75	16,000 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
210665644	M22A018S4*	None published	20	9.5	1.75	16,000 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
211034457	M22A018S4-*P	None published	20	9.5	1.75	16,000 Btu/h	Efficiency Maine Residential Heat Pump Rebates Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
207683526	MMDB018S4-2P	None published	18	9.2	1.85	17,700 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
210665633	MMDB018S4*	None published	18	9.2	1.85	17,700 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
211034446	MMDB018S4-*P	None published	18	9.2	1.85	17,700 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
212348049	MMA018SM4-*P	None published	17.6	9.6	2	17,000 Btu/h	Efficiency Maine Residential Heat Pump Rebates Focus on Energy Heat Pump Instant Discounts Xcel 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 13, 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.