If you hold your fingers above the defrost vents with
the temperature set on high, as a general rule, you can not leave your fingers
there for very long without them getting pretty uncomfortable if the heating
system is working well.
We usually check the heat
output at the center vent; a good heater will put out 140 degree temps.
We have seen them run as high
as 150°f. At 130°f degrees you may start getting a few complaints, though it’s still
pretty livable, at 120°f people are getting unhappy, the coats are staying on,
at 110°f and below NO ONE is happy.
If
you bring us your car, Mini-Van, Light Truck or SUV while it is at normal operating temperature, we'll test the output for
free!