Welcome to MD Air Conditioning and Heating!


MD Air Conditioning and Heating Inc

AC Installation and AC Repair Services

Mark and Donna Air Conditioning is a family owned and operated Air Conditioning and Heating company located in Port St. Lucie Florida. We are a licensed contractor and insured to work in the State of Florida. We service areas on the east coast of Florida such as Fort Pierce, Stuart, Jupiter, Vero Beach, Sebastian, Palm Bay, Cocoa, West Palm Beach and more. Contact us today for more information.

What We Do

We offer a number of Residential and Commercial AC services such as

  • AC Replacement
  • AC Repair
  • AC Maintenance
  • Manual J Load Calculation
  • Air Duct Cleaning
  • Ductless AC Installation
  • Heater Installation
  • Heater Repair
  • Thermostat Repair
  • Solar Panel Installation
  • Refrigeration
  • Appliance Repairs

Why MD Air

MD Air Conditioning and Heating strives to provide the most professional, affordable AC repair services to everyone in our community. We take great pride in the Air Conditioning services we provide and go to great lengths to ensure only quality craftsmanship goes into servicing your home Air Conditioner. Give us a call today for a free estimate.


MD Air Conditioning and Heating has been in the industry for over 25 years. It’s that kind of experience and reliability that makes us the best fit to service your AC.

Air Conditioning Maintenance

Air Conditioning Replacement

Air Conditioning Repair

Manual J Load Calculation


Dust and pet dander are two of the top causes of poor indoor air quality. Learn more about other issues that could be affecting the quality of air inside your home.