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GMS Heating and Air Conditioning

It is easy to Contact your GMS Heating and Air Conditioning Specialist at any time. We are always happy to serve you.

Office Hours: Monday thru Friday 9:00 AM to 5:00 PM
Non-Emergency Appointments can be scheduled from 8:00 AM to 4:00 PM Monday thru Saturday

Tel: 631-821-5336

Fax: 631-849-3805
e-mail: This e-mail address is being protected from spambots, you need JavaScript enabled to view it


GMS 24 Hour Emergency Service...  There When You Need Us:

We have Technicians on call 24 Hours a day for Emergency Service.
Please call: 631-821-5336 anytime of day to request Emergency Service

Available Emergency Services Include:
  • Heating Repair and Restoration
  • Air Conditioning Repair and Restoration
  • Burst Pipe or Leak Repair
  • Plumbing Repair
Before calling in a heating or cooling emergency call check out our Heating and cooling emergency tip page click here...

GMS Heating and Air Conditioning Corp. ~ P.O. Box 1292 ~ Sound Beach, NY 11789

Servicing all of Suffolk County LI for over a DECADE!