They have been wonderful, they have come out when I needed them and helped me. Snyder Heating and Air has put in our heating and A/C units back in 2007 about and they come out to help me keep it clean. I had mold and they recommended stuff for that and put a blue light in. They put a transformer on for electrical surges and they cleaned it up real nice. Anything I've asked them to do they have been more than willing to help me out with.