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Dr. Infrared Heater DR-975 7,500W Hardwired Garage Heater
Dr. Infrared Heater · Garage heaters

Dr. Infrared Heater DR-975 7,500W Hardwired Garage Heater

Model DR-975

SCORE6.6 / 10

The 7,500 W ceiling heater to buy for its 4,700 W low setting, which suits mild days better than the CZ230ER's 6,250 W low. It needs a licensed electrician, a 40 A circuit and 8 AWG copper, and its remote thermostat stops at 50°F.

Specs

SpecDr. Infrared Heater DR-975 7,500W Hardwired Garage Heater
Type240V garage heater
Max heat output25,597 BTU/h
Electric rating7,500 W
Fuel / power240V electric
Indoor use per manualNot for residential or household use
ThermostatYes
Warranty1 yr
Settings7,500 W high / 4,700 W low at 240V
CircuitIndividual branch circuit, 40 A breaker, 8 AWG copper; hardwired, no cord
ControlsRemote thermostat 50-85°F (product page); 1-12 hour timer
MountingWall or ceiling, at least 6 ft from the floor and 1 ft from adjacent surfaces
Sizing rule1.25 W per cu ft: about 750 sq ft at 8 ft ceilings, 600 at 10 ft
Thermostat swingHeats at setpoint -2°F, stops at +2°F; factory 70°F
Off switchThe circuit breaker; in sight of the heater or lockable open

Sources: Dr. Infrared owner's manuals · drheaterusa.com product pages · Amazon listing B01M8KXXAB · DR-975 owner's manual (read in full 2026-10-18)

Before you buy

  • Not for areas where gasoline, paint or flammable vapors and liquids are used or stored.
  • Not a residential or household heater, per its manual.
  • HIGH/LOW can only be changed while the heater is heating.

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