TOSOT heat pump

TWH18R32DO

Name: TOSOT TWH18R32DO heat pump combinations
Creator: Installed Cost

4 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.

1documented combinations

20SEER2 range

8.5HSPF2 range

1.85COP at 5°F range

Program-list matches

Colorado

Xcel Energy Colorado Heat Pump Rebates

1 exact combinations listed.

Program list checked Mar 1, 2026.

Connecticut

Energize Connecticut Heat Pump Program

1 exact combinations listed.

Program list checked Jul 1, 2026.

Massachusetts

Mass Save Heat Pump Program

1 exact combinations listed.

Program list checked Jul 15, 2026.

Wisconsin

Focus on Energy Heat Pump Instant Discounts

1 exact combinations listed.

Program list checked Jun 18, 2026.

Certified combinations

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

AHRI reference	Indoor unit	SEER2	HSPF2	COP at 5°F	Capacity at 5°F	Official-list match
218470838	TWH18R32DSI	20	8.5	1.85	12,100 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

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.