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If your home has an air conditioner either connected to a furnace or a boiler, it needs annual maintenance to make sure when our hot and humid summers come that your unit is operating in top condition.

Let our NATE certified and EPA certified technicians help you in understanding how to get the most out of your air conditioner unit.  Air conditioners can only be checked during warmer conditions-we typically start checking them when the weather has been consistently 65 degrees for more than 3 days in a row.  If your unit has had a history of leaking, we may wait for a tune-up until warmer conditions to get the most accurate readings, as sometimes even with 65 degrees the conditions are not always best. Contacting the experts to find more information on when the best time is, is encouraged.

The following items are checked but not limited to during a tune-up on your air conditioner:

  • Check the coil conditions & flush the outdoor coil
  • Check the refrigerant levels, adjust if needed
  • Check the compressor-pressures, noise and vibration
  • Check the system for oil and refrigerant leaks(visual)
  • Clear drain hoses and fittings
  • Check filter condition
  • Check the thermostat
  • We will physically rinse out the outdoor unit to the best ability to get as much leaves and debris we can get out of it
  • Check and clean the motors and safeties

We advocate for yearly cleanings so that our trained technicians can spot the worn-down parts and recommend repair before they break and you are caught in the hot summers without any comfort.

As a friendly reminder Freon units are not being sold or installed any longer and Freon is not being produced.  Freon is also called R-22, and it is becoming increasingly more expensive as our supplies run dry.  We are not recommending to customers to put freon in if more than a pound is needed as that typically means there is a leak and we do not guarantee refrigerant.

Our Technicians are trained and able to help you out if that is the case and you need a new air conditioner unit.  We will make it as easy as possible; we have financing and units ready to go so you are never uncomfortable for long.

Trust in the experts D&M Heating and Air Conditioning

HVAC Installation and Service Area in the Greater Milwaukee Area


Because we are an authorized Carrier furnace dealer in Milwaukee, we maintain a stock of Carrier air conditioner parts for service and repair of all Carrier HVAC equipment.