Quote:
Originally Posted by solecondad
Results:
AC on: 76.8 mpg at avg speed 43.3 miles per hour, or .564 gph.
AC off: 85.1 mpg at avg speed 41.8 miles per hour, or .491 gph.
Conclusion: at these speeds and thermostat setting, my AC costs .073 gal/hr, or about 20 cents per hour. Pretty cheap! Can we conclude that setting your thermostat to 58F cost you an extra 50 cents an hour?
Dave
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Thanks for your results too! I was hoping to run another set of tests soon going from say 30-55mph - your 85mpg at 42mph is impressive! Did you use CC for this?
Thanks also for the 20 cents/hour figure - puts things in perspective. We will be making a 16 hour trip to Disney this fall and I am just fine "paying $3.20" to keep my Wife/kids happy with AC when needed.
I think you might conclude that running the AC at 58F will cost you 50 cents per hour - if doing about 55mph. At 70mph, it seems you are already working the ICE harder and the AC wont cost as much in that case.