Heat pump model numbers starting 5W

6 certified units whose model number starts 5W, out of every unit in the A to Z. Updated Oct 17, 2026.

One row per certified model number. All 6 in this group are listed; nothing is held back for a second page.

Model numbers starting 5W
Model number	Type	Size class	Brands	Certified pairings
5WCZ5024A1	central	24,000 Btu (2-ton)	2	2
5WCZ5030A1	central	30,000 Btu (2.5-ton)	2	2
5WCZ5036A1	central	36,000 Btu (3-ton)	2	2
5WCZ5042A1	central	42,000 Btu (3.5-ton)	2	2
5WCZ5048A1	central	48,000 Btu (4-ton)	2	2
5WCZ5060A1	central	60,000 Btu (5-ton)	2	2

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