I had my entire HVAC system replaced, insulation added to my attic, and had 20 soffit vents and 3 turbines added. Everything went smoothly and was done on time and done with quality results. David and Rocky are excellent to work with and are both extremely knowledgeable in all areas of HVAC. There may be some less expensive options out there, but it is worth spending a little extra to get the quality, warranty, and experience from this company.