Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Using the heat when it's cold... mpg drain?

newhavenpatriot · 10-14-2009, 04:01 PM

Well, I do have an AC button... if I leave that turned off, would the compressor still activate with the defroster on? I don't see why the AC compressor would need to be on for the defroster to work, given that it's called an AC compressor, but then again, I don't even know what its function is.

10-14-2009, 04:01 PM	#6 (permalink)
newhavenpatriot Ecodriver Join Date: Oct 2009 Location: Connecticut Posts: 73 Auto. 2007 Yaris - '07 Toyota Yaris Team Toyota 90 day: 42.31 mpg (US) Thanks: 2 Thanked 1 Time in 1 Post	Well, I do have an AC button... if I leave that turned off, would the compressor still activate with the defroster on? I don't see why the AC compressor would need to be on for the defroster to work, given that it's called an AC compressor, but then again, I don't even know what its function is. __________________ "Know your rights..... all three of 'em!"