Heating, Ventilation, and Air Conditioning

Massachusetts, Rhode Island, Connecticut & Southern NH

Heating, ventilation and air conditioning are the foundation of the business that Medford Wellington Services has grown for over 50 years. All of our employees live in New England and understand how hot and humid the summers and how cold and frigid the winters are. We are here for one purpose: to ensure you and your customers are comfortable and climate controlled. Our devotion to our customers has made us a leader for Commercial HVAC service, installation and replacements since 1967.

We Never Close & We're Always Available

24 Hours A Day
7 Days A Week
365 Days A Year


Is your AC blowing hot air? Heat blowing cool air? Is no air being blown through at all? We can come to your business, diagnose your problem and provide you with a viable solution to your issue. Medford Wellington Services technicians are available 24/7 for all of your needs ranging from emergencies that cost your business time and money to routine preventative maintenance that will protect your entire system to reduce the chance that these emergencies will even happen.

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  • Safety Inspections/Preventative MaintenanceNo one plans to have an accident, lose power or have have critical coolers and refrigerators go down. Medford Wellington’s safety inspections and preventative maintenance plans can help reduce to chance of that happening. We provide plans to suit your specific needs.

    Examples of tasks performed during a PM Visit:

    Testing & Troubleshooting

    Replace Air Filters

    Test and Adjust Belts

    Check & Clear All Drain Lines

    Chemically Clean & Power Wash Condenser Coils

    Inspect Heat Exchangers

    Preventative Maintenance plans are completely customizable as to what they cover and can be be done yearly, quarterly, monthly, or at whatever increment is needed.

  • Troubleshooting & Repair – Having issues with your system? Our experienced technicians will be able to analyze and diagnose any problems within your refrigeration systems during routine inspections, during the business day on service calls, or at 3 am on an emergency call.

  • Equipment Serviced

    Packaged Rooftop Units

    Water Source Heat Pumps

    Commercial Furnace Repairs

    Makeup Air Unit

    Split Systems

    Exhaust Fans

    Exhaust Hoods

    Modular Makeup Air Systems