LENNOX heat pump

EL21KLV-036-230A**

Name: LENNOX EL21KLV-036-230A** heat pump combinations
Creator: Installed Cost

5 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.

272documented combinations

15.2–20SEER2 range

8.5–10.4HSPF2 range

1.9–2.48COP at 5°F range

Program-list matches

Colorado

Xcel Energy Colorado Heat Pump Rebates

83 exact combinations listed.

Program list checked Mar 1, 2026.

Connecticut

Energize Connecticut Heat Pump Program

172 exact combinations listed.

Program list checked Jul 1, 2026.

Massachusetts

Mass Save Heat Pump Program

172 exact combinations listed.

Program list checked Jul 15, 2026.

Maine

Efficiency Maine Residential Heat Pump Rebates

1 exact combinations listed.

Program list checked Jul 16, 2026.

Wisconsin

Focus on Energy Heat Pump Instant Discounts

266 exact combinations listed.

Program list checked Jun 18, 2026.

Certified combinations

Showing 101–200 of 272. Performance values are combination-specific.

AHRI reference	Indoor unit	SEER2	HSPF2	COP at 5°F	Capacity at 5°F	Official-list match
217121566	CK40[C,U]T-36B-**+TDR	17.5	8.5	2.04	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121573	CK40[C,U]T-36B-**+TDR	17.5	8.5	2.08	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217121575	CK40[C,U]T-36B-**+TDR	17.5	8.5	2.08	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217121576	CK40[C,U]T-36B-**+TDR	17.5	8.5	2.04	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121580	CK40[C,U]T-36B-**+TDR	17.5	8.5	2.04	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121597	CK40[C,U]T-36A-**+TDR	17.5	8.5	2.06	21,800 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443259	CK40HT-30B-**+TDR	17.5	9	2.4	22,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443272	CK40HT-30A-**+TDR	17.5	8.5	1.94	24,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443273	CK40HT-30A-**+TDR	17.5	8.5	1.94	24,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443284	CK40HT-30A-**+TDR	17.5	8.5	1.96	24,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443287	CK40HT-30A-**+TDR	17.5	8.5	1.96	24,200 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443289	CK40HT-30A-**+TDR	17.5	8.8	1.94	24,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443292	CK40HT-30A-**+TDR	17.5	8.8	1.96	24,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443296	CK40HT-30B-**+TDR	17.5	9	2.44	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443299	CK40HT-30B-**+TDR	17.5	9	2.4	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443301	CK40HT-30B-**+TDR	17.5	9	2.42	22,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443319	CK40HT-42C-**+TDR	17.5	9.4	1.94	22,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443336	CK40HT-42C-**+TDR	17.5	9.6	1.94	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217443337	CK40HT-42C-**+TDR	17.5	9.6	1.94	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217443338	CK40HT-42C-**+TDR	17.5	9.6	1.94	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217443340	CK40HT-42C-**+TDR	17.5	9.6	1.92	22,800 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217443344	CK40HT-42C-**+TDR	17.5	9.6	1.94	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217443359	CK40HT-42C-**+TDR	17.5	9.6	1.94	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217443363	CK40HT-42C-**+TDR	17.5	9.6	1.94	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
218073750	CK40[C,U]T-36C-**+TDR	17.5	9	2.08	21,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
218073752	CK40[C,U]T-36C-**+TDR	17.5	8.5	2.08	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
218073871	CK40[C,U]T-36C-**+TDR	17.5	8.5	2.08	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
218073875	CK40[C,U]T-36C-**+TDR	17.5	9	2.08	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
218073878	CK40[C,U]T-36C-**+TDR	17.5	8.5	2.06	21,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
218073883	CK40[C,U]T-36C-**+TDR	17.5	8.5	2.04	21,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121569	CK40[C,U]T-36B-**+TDR	17	8.5	2.08	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217121570	CK40[C,U]T-36B-**+TDR	17	8.5	2.08	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217121595	CK40[C,U]T-36A-**+TDR	17	8.5	2.04	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443266	CK40HT-30B-**+TDR	17	9	2.4	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443271	CK40HT-30B-**+TDR	17	9	2.46	22,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443274	CK40HT-30B-**+TDR	17	9	2.46	22,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443290	CK40HT-30A-**+TDR	17	8.5	1.96	24,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443291	CK40HT-30B-**+TDR	17	9	2.46	22,200 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217443298	CK40HT-30B-**+TDR	17	9	2.46	22,200 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
217443310	CK40HT-30B-**+TDR	17	8.5	2.42	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443329	CK40HT-42C-**+TDR	17	9.2	1.94	22,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
218073757	CK40[C,U]T-36C-**+TDR	17	8.5	2.08	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
218073769	CK40[C,U]T-36C-**+TDR	17	8.5	2.08	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
218690668	CK40HT-30B-**+TDR	17	8.5	2.32	23,200 Btu/h	No stored match
217443327	CK40HT-42C-**+TDR	16.9	9	1.92	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121563	CK40[C,U]T-36B-**+TDR	16.5	8.5	2.04	21,800 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121578	CK40[C,U]T-36B-**+TDR	16.5	8.5	2.04	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121589	CK40[C,U]T-36A-**+TDR	16.5	8.5	2.04	21,800 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121590	CK40[C,U]T-36A-**+TDR	16.5	8.5	2.04	21,800 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443313	CK40HT-30B-**+TDR	16.5	8.5	2.38	23,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443351	CK40HT-42C-**+TDR	16.5	9.6	1.92	22,200 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program Xcel Energy Colorado Heat Pump Rebates
218690692	CK40HT-30B-**+TDR	16.5	8.5	2.34	23,000 Btu/h	No stored match
217121565	CK40[C,U]T-36B-**+TDR	16	8.5	2.04	21,800 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121567	CK40[C,U]T-36B-**+TDR	16	8.5	2.04	21,800 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121577	CK40[C,U]T-36B-**+TDR	16	8.5	2.04	21,800 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121582	CK40[C,U]T-36B-**+TDR	16	8.5	2.04	22,200 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121585	CK40[C,U]T-36B-**+TDR	16	8.5	2.04	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121586	CK40[C,U]T-36B-**+TDR	16	8.5	2.04	21,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443257	CK40HT-30B-**+TDR	16	9	2.42	22,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443307	CK40HT-30B-**+TDR	16	9	2.42	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443309	CK40HT-42C-**+TDR	16	9.4	1.9	22,200 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443312	CK40HT-42C-**+TDR	16	9.4	1.92	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443323	CK40HT-42C-**+TDR	16	9.4	1.9	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443325	CK40HT-42C-**+TDR	16	9.4	1.92	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
218073748	CK40[C,U]T-36C-**+TDR	16	8.5	2.08	22,200 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
218073749	CK40[C,U]T-36C-**+TDR	16	8.5	2.08	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
218073751	CK40[C,U]T-36C-**+TDR	16	8.5	2.08	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
218073753	CK40[C,U]T-36C-**+TDR	16	8.5	2.08	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
218073872	CK40[C,U]T-36C-**+TDR	16	8.5	2.08	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217121564	CK40[C,U]T-36B-**+TDR	15.5	8.5	2.04	21,800 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443105	CK40HT-42C-**+TDR	15.5	9.6	1.94	22,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443106	CK40HT-42C-**+TDR	15.5	9.6	1.94	22,400 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
218073754	CK40[C,U]T-36C-**+TDR	15.5	8.5	2.04	22,000 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
218073756	CK40[C,U]T-36C-**+TDR	15.5	8.5	2.08	22,200 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443104	CK40HT-42C-**+TDR	15.2	9.4	1.92	22,600 Btu/h	Energize Connecticut Heat Pump Program Focus on Energy Heat Pump Instant Discounts Mass Save Heat Pump Program
217443242	CK40[C,U]T-30B-**+TDR	19.5	10.4	2.3	22,800 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
217443265	CK40DT-30/36B-**+TDR	19.5	9.2	2.36	19,200 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443303	CK40DT-30/36C-**+TDR	19.5	9.4	2.3	19,500 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443204	CK40[C,U]T-30A-**+TDR	19	10.4	2.26	22,600 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443206	CK40[C,U]T-30A-**+TDR	19	10.4	2.26	22,400 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443207	CK40[C,U]T-30A-**+TDR	19	10.4	2.26	22,400 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443209	CK40[C,U]T-30A-**+TDR	19	10.4	2.26	22,400 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443211	CK40[C,U]T-30A-**+TDR	19	10.4	2.26	22,400 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443223	CK40[C,U]T-30B-**+TDR	19	10.4	2.28	22,400 Btu/h	Focus on Energy Heat Pump Instant Discounts Xcel Energy Colorado Heat Pump Rebates
217443241	CK40[C,U]T-30B-**+TDR	19	10.4	2.26	23,000 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443243	CK40[C,U]T-30B-**+TDR	19	10.4	2.28	22,800 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443244	CK40[C,U]T-30B-**+TDR	19	10.4	2.28	22,800 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443245	CK40[C,U]T-30B-**+TDR	19	10.4	2.24	23,200 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443247	CK40[C,U]T-30B-**+TDR	19	10.4	2.28	22,800 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443250	CK40[C,U]T-30B-**+TDR	19	10.4	2.24	23,000 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443251	CK40[C,U]T-30B-**+TDR	19	10.4	2.26	23,000 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443256	CK40DT-30/36B-**+TDR	19	9	2.26	19,500 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443263	CK40DT-30/36B-**+TDR	19	9	2.24	19,700 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443264	CK40DT-30/36B-**+TDR	19	9.2	2.4	19,100 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443305	CK40DT-30/36C-**+TDR	19	9.2	2.28	19,500 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443407	CK40[C,U]T-30A-**+TDR	19	10.4	2.26	22,600 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443214	CK40[C,U]T-30A-**+TDR	18.5	10.4	2.26	22,600 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443215	CK40[C,U]T-30A-**+TDR	18.5	8.8	2.22	18,400 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443216	CK40[C,U]T-30A-**+TDR	18.5	10.4	2.24	23,000 Btu/h	Focus on Energy Heat Pump Instant Discounts
217443217	CK40[C,U]T-30A-**+TDR	18.5	10.4	2.24	23,000 Btu/h	Focus on Energy Heat Pump Instant Discounts

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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.