Colorado
Xcel Energy Colorado Heat Pump Rebates
4 exact combinations listed.
Program list checked Mar 1, 2026.
LENNOX heat pump
MMLD036S6S-1P
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.
4documented combinations
18.7–22SEER2 range
9–10.6HSPF2 range
1.8COP at 5°F range
Program-list matches
Connecticut
Energize Connecticut Heat Pump Program
4 exact combinations listed.
Program list checked Jul 1, 2026.
Massachusetts
Mass Save Heat Pump Program
4 exact combinations listed.
Program list checked Jul 15, 2026.
Maine
Efficiency Maine Residential Heat Pump Rebates
3 exact combinations listed.
Program list checked Jul 16, 2026.
Wisconsin
Focus on Energy Heat Pump Instant Discounts
4 exact combinations listed.
Program list checked Jun 18, 2026.
Certified combinations
Showing 1–4 of 4. Performance values are combination-specific.
| AHRI reference | Indoor unit | SEER2 | HSPF2 | COP at 5°F | Capacity at 5°F | Official-list match |
|---|---|---|---|---|---|---|
| 218214251 | M33D036S6-1P | 22 | 10.6 | 1.8 | 40,000 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 |
| 215810032 | MDDD036S6-1P | 20 | 9.8 | 1.8 | 40,000 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 |
| 218214258 | MWXD036S6-1P | 20 | 9 | 1.8 | 36,000 Btu/h | Energize Connecticut Heat Pump ProgramFocus on Energy Heat Pump Instant DiscountsMass Save Heat Pump ProgramXcel Energy Colorado Heat Pump Rebates |
| 216581334 | MMD036S6-1P | 18.7 | 9.5 | 1.8 | 40,000 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 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.