A reliable HVAC/R system ensures the continuity of business operations and occupant comfort. With over three decades of experience in the HVAC/R mechanical system industry, Dowling Corporation delivers comprehensive solutions including maintenance and repair to all commercial systems.

This includes a wide range of facility and equipment commonly found in:


  • Computer Rooms & Data Centers
  • Medical Facilities & Laboratories
  • Clean Rooms
  • Office & Retail Buildings
  • Nursing Homes & Assisted Living Facilities
  • Manufacturing & Warehousing Facilities
  • Educational Facilities
  • Convenience Stores
  • Industrial Facilities


  • Refrigeration Equipment
  • Ice Machines
  • Heating Systems
  • Furnace & Boilers
  • Geothermal Systems
  • Radiant Systems
  • Central Air Conditioning
  • Computer Room Systems
  • Cooling Towers
  • Humidifiers & Dehumidifiers
  • Energy & Heat Recovery Ventilator
  • Air Quality
  • Air Balancing
  • Chillers

Even the best quality equipment is subject to the unexpected failures, so Dowling Corporation keeps the future in mind with an ongoing commitment to its customers with a Preventive Maintenance Plan. These Preventive Maintenance Plans are uniquely designed for customers to ensure the mechanical system is operating at peak performance that extends the lifespan of any system.

Responsive Emergency Service

If you identify any type of HVAC/R emergency take comfort in knowing that the professionals at Dowling Corporation are ready and available 24-hours a day, seven days a week. Our highly trained team is prepared and ready for any emergency with industry-leading technology, equipment and fully stocked service vehicles to get your facility back up and running. We think of your problems as our own, so our commitment to responsive service when it matters most.

We serve the seacoast with pride and dedication to quality customer care. Contact our office today to learn more about the benefits of our Preventive Maintenance Plan and emergency service.

Why Is Preventive Maintenance So Important?

The purpose of preventative maintenance is to keep your HVAC/R system up and running at top efficiency with no surprise breakdowns. No matter how expensive the system is or what the manufacturer promises, a complicated piece of mechanical equipment is subject to breakdowns and needs repairs every so often. You can reduce those incidents of repairs by keeping up with annual maintenance to prevent future problems from developing.

The Preventive Maintenance Plans from Dowling Corporation is uniquely designed to meet individual customer requirements. These custom tailored plans have great benefits, where it can save you money, avoid difficult downtime, extend the lifespan of your equipment, and return the entire system to its optimal condition after each visit.

After developing your comprehensive Preventive Maintenance Plan with a Dowling representative, the routine service will be automatically scheduled with a guaranteed timely performance on maintenance visits. Other advantages include, priority scheduling if there is an emergency with no additional charges for overtime.

Equipment serviced on an emergency basis is rarely brought back to peak efficiency and can be avoided. Committed to the pre-planned service of their clients, Dowling Corporation can help you avoid those “breakdown” service calls that can consist of:

  • Premature Failure Of System Components Due To Neglect
  • Unexpected Downtime/Occupant Discomfort
  • Lost Productivity Due To Discomfort Or Inoperable Process Equipment
  • Product Loss (Refrigerated Or Heated Items)
  • Energy Waste Due To Neglected System Components
  • Premature System Replacement
  • Air Quality Problems
  • Damage To Facility

Call the office today and our staff will be happy to schedule a free Preventive Maintenance consultation today!