I would highly recommend them!
I used them on a rental house that needed a lot of work. Got three different estimates and not only did they come in a few hundred dollars less than the other two they were also much more thorough in their estimate by providing several pictures of what they saw under the house. They were on time for both the estimate meeting and the actual work and it looks great! My renters say they can already feel the difference in the heating of the home. I would highly recommend them!