IC Installed Cost

THERMAL ZONE heat pump

TZID18H520ZCS

1 tracked program 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.

5documented combinations
16.1–18.8SEER2 range
8.3–9.1HSPF2 range
1.8–2COP at 5°F range

Program-list matches

Certified combinations

Showing 1–5 of 5. Performance values are combination-specific.

AHRI referenceIndoor unitSEER2HSPF2COP at 5°FCapacity at 5°FOfficial-list match
218043392 TZID18H520ZAM 18.8 9.1 2 11,200 Btu/h Focus on Energy Heat Pump Instant Discounts
218079950 TZID24H520ZACB 17.7 8.3 1.8 10,000 Btu/h Focus on Energy Heat Pump Instant Discounts
218079687 TZID24H520ZACB 16.4 8.4 1.9 10,000 Btu/h Focus on Energy Heat Pump Instant Discounts
218079839 TZID24H520ZACB 16.2 8.3 1.9 10,000 Btu/h Focus on Energy Heat Pump Instant Discounts
218079688 TZID24H520ZACB 16.1 8.4 1.9 10,000 Btu/h Focus on Energy Heat Pump Instant Discounts
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.