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1937-1946 Deluxe Heaters

Keeping the passenger area warm in cars and trucks during the winter was always a problem in the early years. Not only were the heater fans and cores small but the vehicles used recirculator heaters. Thus, the air in the cab was recirculated rather than using dry outside cold air being brought inside and warmed. This helped for quicker warming but with more passengers, the additional humidity from breathing caused the windows to fog inside. A wiping cloth would have been needed to clear the windshield.

To address this issue, GM provided an extra feature with the pictured “deluxe” heater. A blower motor attached to the top of the standard heater made it a “deluxe” model. This separate optional motor on top forced warm air into the defroster nozzles and onto the windshield. There were two switches under the dash, one for each motor. In colder climates, it is doubtful the small heater core could supply warm air from the two motors both at the same time! Although this is antiquated by today’s standards, it did allow some relief on colder days.

GM Deluxe Heater 1
Optional Defroster Motor on Top-Estimated 1939
Front GM Deluxe Heater
1940-46
GM deluxe Heater 2
Air intake, back view ‘ Estimated 1939
GM deluxe Heater 2
1940-46
Optional Defroster Assembly- Estimated 1939
Optional Defroster Assembly- Estimated 1939

1940-46

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