very informative!

Diana G.
April 18, 2020

excelent breakdown of tanless water heaters verus tank water heaters.

Larry S.
March 17, 2020

very good course with lots of information

Sirazul K.
March 10, 2020

I THOUGHT THE COURSE WAS VERY INFORMATIVE AND HELPFUL.

Tekoa S.
February 24, 2020