ThermoMate Propane Heaters Ranked

Last updated: October 30, 2026

1 ThermoMate propane heater ranked. Each one is scored and ranked against every brand in its type, so "#3 mid-size" means third of all mid-size propane heaters here, not third among ThermoMate's own.

The ThermoMate PHF18B 18,000 BTU is ThermoMate's only current propane heater here, ranked #5 of 14 portable and rated 3.9.

Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

ThermoMate propane heaters 1

  1. ThermoMate PHF18B 18,000 BTU
    #5 portable3.9Full review

    For ventilated garages, workshops and job sites where a rolling 18,000 BTU cabinet heater beats a tank top. The manual rules out homes, RVs and living quarters.

    Amazon $169.99
    $169.99
    18,000 BTU6,000 BTUYesCSA

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