I really enjoy Mr. Marlow's presentation and his hands on approach to teaching. This is a course based on real experience and you can feel that from beginning to end
This course is easy to understand
This course added a lot to my knowledge base. Very helpful!
it was interesting and helpful course
This course was very informative. The information provided was really thorough and exceeded that needed for the NABCEP Solar Heating Entry Level Exam.
Not at this time