Heat pump model numbers starting HR

9 certified units whose model number starts HR, out of every unit in the A to Z. Updated Oct 17, 2026.

One row per certified model number. All 9 in this group are listed; nothing is held back for a second page.

Model numbers starting HR
Model number	Type	Size class	Brands	Certified pairings
HRG18S1R-A	central	18,000 Btu (1.5-ton)	2	64
HRG1518S1R-**A	central	18,000 Btu (1.5-ton)	2	142
HRG1524S1R-**A	central	24,000 Btu (2-ton)	2	155
HRG1530S1R-**A	central	30,000 Btu (2.5-ton)	2	156
HRG1536S1R-**A	central	36,000 Btu (3-ton)	2	243
HRG1542S1R-**A	central	42,000 Btu (3.5-ton)	2	60
HRG1548S1R-**A	central	48,000 Btu (4-ton)	2	112
HRG1836S1P	central	24,000 Btu (2-ton)	2	94
HRG1860S1P	central	48,000 Btu (4-ton)	2	4

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