More efficient HVAC fan for cars?
I no longer have the 93 tracer wagon... upgraded to a 99 Escort wagon with a swapped in zetec engine. I will soon have changed to all LED's for car lighting, except front turn signals so I can prevent hyperblinking. The last big power draw normally in use is the HVAC fan. I have already insulated all the panels below the window line front to rear with 1/2 duct insulation and will be doing the roof this next year, so my heating and cooling loads will probably be cut in half. Has anyone found a more efficient motor for using for the HVAC or some way to make the current motor more efficient to run? Any cheap ECM motors or more efficient speed controls so I could run the motor at low speeds efficiently?
I am also running a 25 % underdrive pulley. Gearing in the car however, keeps the revs up.
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