We had our home tested for Radon gas, and the levels were high, was staying around 450bpds and had a specialist came by to give us an estimate on for the mitigation system and agreed to have it installed. start to finish the experience was smooth and no fuss. The day of install the crew came and installed the mitigation system and left no mess and explained everything! I'm really happy with everything and getting the extra muffler helped keep extra quiet. I have recommended my neighbors!