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Trane
3.5 Ton Packaged Dual Fuel Unit
Trane 90,000 BTU Heating, 15.2 SEER2, Two-Stage, R-454B | 5DCZ5042A1090
$10,774.99
A 3.5 ton packaged dual-fuel unit provides 42,000 BTU of cooling for homes ~1,800–2,100 sq ft — a size where cold-climate homes move to dual fuel for efficiency plus reliable heat. Everything lives in one outdoor cabinet, so there's no indoor equipment to house.
1 product
Stepping up to a 3.5 ton dual-fuel unit gives a larger home the efficiency of a heat pump with the security of gas heat in extreme cold. If you have gas service and cold winters, it often beats both a straight heat pump and a straight gas system on running cost.
Sizing a packaged dual-fuel unit for your home? Tell us the details and we'll help →
Often, yes. The heat pump captures efficiency most of the year, and the gas furnace guarantees strong heat on the coldest days when a heat pump alone would strain or lean hard on electric backup.
Larger homes around 1,800–2,100 sq ft, sized with a load calculation for both heating and cooling.