FAQ

Believe it or not, the first step is quite easy – simply make sure your air filters have been changed and wipe down any vents. If this doesn't correct the problem, you'll probably need more advanced air quality services from D&M Heating and Air Conditioning.

A popping sound or water heater whining are not good signs and could indicate the presence of a mineral buildup in the lines. In addition to reducing water pressure, this could also cause unit failure, so call us for a professional analysis.

While most people think it's a good idea to leave the AC off, we recommend leaving the AC on. This prevents your system from working harder to catch up and keeps the humidity out of your home while you're away.

Most home furnaces have a long lifetime but we recommend having your system serviced once annually from one of our certified technicians, this would help lengthen the life of your furnace and make it operate more efficiently. D & M Heating and Air Conditioning offers annual maintenance agreements.

D&M Heating and Air Conditioning is able to assist with HVAC planning and execution for commercial projects of all sizes in the Danville area. Our plans will address all potential heating, AC, and ventilation issues.