I know that whenever I contact Roadrunner Air Conditioning, Heating and Refrigeration, I can be confident that they will do a really good job! Whenever I call, they are sure to respond right away, and they'll have the worker call you back within about fifteen minutes of your call! David Aguirre is usually the guy who comes out, and he does a great job with the work! We are always very satisfied with the end result! On the other side of things, they're kind of pricey, and although they certainly don't have the highest prices around, they don't have the cheapest either. Otherwise, they're a very reliable service that produces great results!