Heat pump model numbers starting HO

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

One row per certified model number. All 34 in this group are listed; nothing is held back for a second page.

Model numbers starting HO
Model number	Type	Size class	Brands	Certified pairings
HO-MD18-AB-Q	mini-split	18,000 Btu (1.5-ton)	1	3
HO-MP36-LA-Q	mini-split	36,000 Btu (3-ton)	1	3
HO-MP48-AB-Q	mini-split	48,000 Btu (4-ton)	1	3
HO-MP55-AB-Q	mini-split	54,000 Btu (4.5-ton)	1	3
HO-MQ28-LA-Q	mini-split	30,000 Btu (2.5-ton)	1	3
HO-MQ36-AB-Q	mini-split	36,000 Btu (3-ton)	1	3
HO-MQ36-AC-Q	mini-split	36,000 Btu (3-ton)	1	3
HO-MS48-LA-Q	mini-split	48,000 Btu (4-ton)	1	3
HO-MS60-LA-Q	mini-split	54,000 Btu (4.5-ton)	1	3
HO-MT18-LA-Q	mini-split	18,000 Btu (1.5-ton)	1	3
HO-MT28-AB-Q	mini-split	30,000 Btu (2.5-ton)	1	3
HO-MT28-AC-Q	mini-split	24,000 Btu (2-ton)	1	3
HO-SG36-LA-Q	mini-split	36,000 Btu (3-ton)	1	4
HO-SG48-LA-Q	mini-split	48,000 Btu (4-ton)	1	4
HO-SG60-LA-Q	mini-split	54,000 Btu (4.5-ton)	1	3
HO-SZ06-AB-Q	mini-split	6,000 Btu	1	2
HO-SZ06-LA-Q	mini-split	6,000 Btu	1	3
HO-SZ09-AB-Q	mini-split	9,000 Btu	1	4
HO-SZ09-LA-Q	mini-split	9,000 Btu	1	6
HO-SZ12-AB-Q	mini-split	12,000 Btu (1-ton)	1	5
HO-SZ12-LA-Q	mini-split	12,000 Btu (1-ton)	1	6
HO-SZ18-AB-Q	mini-split	18,000 Btu (1.5-ton)	1	7
HO-SZ18-LA-Q	mini-split	18,000 Btu (1.5-ton)	1	8
HO-SZ24-AB-Q	mini-split	24,000 Btu (2-ton)	1	5
HO-SZ24-LA-Q	mini-split	24,000 Btu (2-ton)	1	5
HO-SZ33-LA-Q	central	30,000 Btu (2.5-ton)	1	2
HO-SZ36-AB-Q	mini-split	30,000 Btu (2.5-ton)	1	1
HO-SZ36-BB-Q	mini-split	36,000 Btu (3-ton)	1	3
HO-SZ36-LC-Q	mini-split	30,000 Btu (2.5-ton)	1	1
HO-SZ48-BB-Q	mini-split	48,000 Btu (4-ton)	1	2
HOC24	central	24,000 Btu (2-ton)	1	1
HOC24B	central	24,000 Btu (2-ton)	1	1
HOC48	central	48,000 Btu (4-ton)	1	1
HOC48B	central	48,000 Btu (4-ton)	1	1

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