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We’re here for you. 

If this is an emergency, call:

The biggest catastrophes are often the least expected. The professionals at Caswell Mechanical, Inc. are experienced in every type of plumbing, HVAC, or electrical emergency; we will send a technician promptly for a reliable assessment and sound action plan to get you back up and running as quickly as possible.


Regular maintenance is one of the best preventative measures in avoiding uncomfortable or even disastrous circumstances. At Caswell Mechanical Inc., we provide a vast array of annual maintenance services that are highly customized to meet your exact needs.

General Heating & Air Conditioning Maintenance Procedures:
  • Standard 1″ Filters are Included
  • Clean and Check Condensing Coil
  • Test Operating Procedures
  • Test Starting Capabilities
  • Test and Adjust Blower Components
  • Test and Check Safety Controls
  • Clean or Replace Filters
  • Clean Condensate Drain
  • Test Voltage of Motors
  • Test AMP Draws on Motors
  • Lubricate Necessary Moving Parts
  • Check Expansion Valve
  • Clean Evaporator Coil (if accessible)
  • Test in Heat Cycle & AC Cycle
  • Inspect Heat Exchanger (if accessible)
  • Inspect ERV/HRV (if installed)


  • Improved Efficiency
  • Restored Capacity
  • Extended Equipment Life
  • Priority Customer Status
  • 24 Hour Emergency Service
  • 10% Discount on HVAC Parts
  • We Will Call You to Schedule


frequently asked questions

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How Often Should You Service Your Heat or AC?

Your HVAC systems should be checked by a professional once a year. So if you have a standard central AC or a furnace, each of these units should be maintained every year. If you have a heat pump system that you use year-round, then you’ll want to schedule this service once every 6 months.

Are HVAC Service Plans Worth It?

You cannot avoid regular system maintenance. If you do, expect a less than stellar performance and some necessary repairs for your heater or air conditioner. Unless you are willing and able to handle HVAC maintenance yourself, a service plan could save you money.

Get in touch:

Emergency & Maintenance

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