I put this heater into my car to supplement the factory heat which was not hot enough. After about a ten minute run at up to 35 mph, between the factory heat and the Road Pro unit, the heat was fair on a 32* day. Some advice: Unless you are either a pro or a very skilled and experienced DIY, don't install it yourself. And be sure to install the 30 amp fuse that Road Pro recommends. BTW, my car is 21 years old.
by Marc
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