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Heat pump model numbers starting CU

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

One row per certified model number. All 51 in this group are listed; nothing is held back for a second page.

Model numbers starting CU
Model number Type Size class Brands Certified pairings
CU-2E18SBU-5 mini-split 18,000 Btu (1.5-ton) 1 4
CU-2Z18ABUC mini-split 18,000 Btu (1.5-ton) 1 2
CU-3E19RBU-5 mini-split 18,000 Btu (1.5-ton) 1 2
CU - 3YM18CBUC mini-split 18,000 Btu (1.5-ton) 1 3
CU-3Z22ABUC mini-split 24,000 Btu (2-ton) 1 2
CU-4E24RBU-5 mini-split 24,000 Btu (2-ton) 1 2
CU - 4YM27CBUC mini-split 24,000 Btu (2-ton) 1 3
CU-4Z24BBUC mini-split 24,000 Btu (2-ton) 1 2
CU - 5YM36CBUC mini-split 36,000 Btu (3-ton) 1 3
CU-5Z36BBUC mini-split 36,000 Btu (3-ton) 1 2
CU - 6YM48CBUC mini-split 42,000 Btu (3.5-ton) 1 3
CU-E12RKUA mini-split 12,000 Btu (1-ton) 1 2
CU-E12SD3UA central 12,000 Btu (1-ton) 1 2
CU-E18RKUA mini-split 18,000 Btu (1.5-ton) 1 2
CU-E24YAHK6 central 24,000 Btu (2-ton) 1 2
CU-E9RKUA mini-split 9,000 Btu 1 2
CU-E9SD3UA central 9,000 Btu 1 2
CU-HE18YAHK6 central 18,000 Btu (1.5-ton) 1 3
CU-HE24YAHK6 central 24,000 Btu (2-ton) 1 2
CU-HE30YAHK6 central 30,000 Btu (2.5-ton) 1 2
CU-HE36YAHK6 central 36,000 Btu (3-ton) 1 4
CU-HE48YAHK6 central 48,000 Btu (4-ton) 1 1
CU-HE55YAHK6 central 54,000 Btu (4.5-ton) 1 1
CU-HM18BAHU central 18,000 Btu (1.5-ton) 1 15
CU-HM24BAHU central 24,000 Btu (2-ton) 1 9
CU-HM30BAHU central 30,000 Btu (2.5-ton) 1 13
CU-HM36BAHU central 36,000 Btu (3-ton) 1 8
CU-HM48BAHU central 48,000 Btu (4-ton) 1 9
CU-HM55BAHU central 54,000 Btu (4.5-ton) 1 8
CU-M18BAHU central 18,000 Btu (1.5-ton) 1 1
CU-M24BAHU central 24,000 Btu (2-ton) 1 9
CU-M30BAHU central 30,000 Btu (2.5-ton) 1 2
CU-M36BAHU central 36,000 Btu (3-ton) 1 4
CU-M48BAHU central 42,000 Btu (3.5-ton) 1 9
CU-M60BAHU central 48,000 Btu (4-ton) 1 8
CU-RE18SKUA mini-split 18,000 Btu (1.5-ton) 1 2
CU-VST09HC-WIFIDR25 mini-split 9,000 Btu 1 1
CU-VST18HC-WIFIDR25 mini-split 18,000 Btu (1.5-ton) 1 1
CU-XE12WKUA mini-split 12,000 Btu (1-ton) 1 2
CU-XE15WKUA mini-split 15,000 Btu 1 2
CU-XE18WKUA mini-split 18,000 Btu (1.5-ton) 1 2
CU-XE9WKUA mini-split 9,000 Btu 1 2
CU-XZ12AKUAC mini-split 12,000 Btu (1-ton) 1 4
CU-XZ15AKUAC mini-split 15,000 Btu 1 4
CU-XZ18AKUAC mini-split 18,000 Btu (1.5-ton) 1 4
CU-XZ24AKUAC mini-split 24,000 Btu (2-ton) 1 4
CU-XZ9AKUAC mini-split 9,000 Btu 1 4
CU-YM12CBUC mini-split 12,000 Btu (1-ton) 1 4
CU-YM18CBUC mini-split 18,000 Btu (1.5-ton) 1 3
CU-YM24CBUC mini-split 24,000 Btu (2-ton) 1 3
CU-YM9CBUC mini-split 9,000 Btu 1 3

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