Rose C.
9/12/2025
I've been an OSI customer for decades and have always been satisfied with their outstanding service. Today was only another example of their attentiveness. more than 25 years ago OSI disabled my...
OSI Comfort Specialists
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3555 Hargale Rd
Oceanside, NY 11572
OSI Comfort Specialists provides the very best in heating oil, heating service, air conditioning service, and electrical. Serving Queens, Nassau County, and parts of Brooklyn and Suffolk County. Our 70-plus years of experience has taught us to anticipate your every need. We maintain your equipment, simplify your payments, deliver your fuel automatically, and shield you from unchecked costs with our price protection and service plans. Our team stops at nothing to ensure your complete satisfaction.
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Reviews
4.037 reviews
Andrew C.
7/13/2024
For several years, I have been a customer of OSI Comfort Specialists (OSI) for household heating. It was not until I had a problem with my Nest Thermostat that was installed by my air conditioning...
Paul B.
7/26/2025
I had a great experience today with OSI. I had a water leaking problem from my CAC unit. I called OSI, and they were extremely responsive, and said they would have a technician mid afternoon....
Stu A.
6/16/2025
Just had air conditioning replaced. Fantastic service. Servicemen were extremely courteous, respectable and professional. I used them 2 years ago to replace my old oil burner and was very...
George G.
2/20/2025
RE;ACCT. 5061512- "JOE" Plumbing Service Repair Dear John and Page, A BIG SHOUT OUT OF APPRECIATION for sending JOE to service our request regarding radiator valve/heat issues in our 1/2 bath...
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