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What's Hot in Unit Heaters?

Updated: Nov 21, 2019

Source: Trane

Trane High Efficiency Unit Heater is the most efficient and accurate model on the market. Its advanced, engineered design delivers up to 99% efficiency, while modulating the heat discharge to compensate for indoor and outdoor temperature variations.


Available in 6 sizes - 50, 100, 150, 200, 300 and 400 MBH, in both natural gas and LP gas, Trane’s high efficiency unit heaters can be vented through PVC and CPVC for application flexibility. All units are field convertible to separated combustion.


Get the data sheet.


Outdoor Air Reset Modulation

Ideal in regions where temperatures vary greatly between morning and afternoon

High Efficiency Unit Heaters automatically vary discharge temperatures based on the outside air temperature. As the outdoor temperature increases, discharge temperature drops. When the outdoor temperature drops, the discharge temperature increases.

  • Units operate efficiently at part load, so there’s less cycling, lower fuel costs and improved occupancy comfort.