Get Protected with Unmatched Warranties from Your Trusted HVAC Company

Partnering with GMG HVAC Inc., a leading HVAC company in Central Islip, NY, comes with quality workmanship and exceptional warranties. Our family-owned and operated business offers top-tier HVAC services, honest advice, and complete peace of mind, thanks to our comprehensive warranties. We service all Sufflock Counties.

Comprehensive Warranty Options for Your HVAC Services

DISCOVER YOUR LIMITED WARRANTY DETAILS: Certain Rheem Heating and cooling products have an exclusive limited warranty. To learn more about the specific products covered, along with the applicable terms and conditions, explore Rheem’s detailed Warranty Guides.
REGISTER YOUR RHEEM PRODUCT: Ensure you get the most from your Rheem products by registering them. Registration allows you to claim your warranty benefits, extend your warranty coverage, and avail of other valuable Rheem support services. Please keep your product serial number at your fingertips and click the button below to start the process.
CONFIRM YOUR WARRANTY TERMS: Already registered your Rheem product? You can check your warranty terms and coverage by clicking on the relevant product category below. You’d need your serial number to proceed with the verification.
BE SECURE WITH OUR PROTECTION COVERAGE: Our protection coverage applies solely to residential systems and includes diagnostics, labor, and refrigerant for outdoor condensers, furnaces, air handlers/coils, and thermostats. Some exceptions might be applicable. For more comprehensive details, review our terms and conditions.

Your Frequently Asked Questions, Answered

Why do I need an extended warranty?
What does a premium protection plan cover?
How long do I have to purchase a warranty?
Why choose a premium protection plan?

If you have additional questions, please contact us.

Choosing Our Industry-Leading Warranties

As a reliable HVAC company, our commitment to quality sets us apart from other HVAC companies. Our warranties provide you protection with comprehensive coverage against any unexpected mechanical failures during the lifespan of your HVAC system.

Start Enjoying Peace of Mind with Our Warranties

Confidence in your HVAC system starts with choosing GMG HVAC Inc., the reliable HVAC company that stands behind its work. Call us today at (516) 597-5232 and experience the GMG HVAC Inc. difference.

Client Satisfaction Is Our Pride

See Why Our Reviews Speak Volumes About Our Exceptional Service.

Quick and painless repair on my HVAC. Jocelyn is very responsive and Joe is very professional. I received multiple options which was incredibly helpful. I'll...

Daniel L.

We’ve had a few good experiences so far with this company- professional, helpful, reasonably priced. This weekend, our AC suddenly stopped working- we called and...

Caitlin R.

What a fabulous experience I had with GMG Hvac Inc. That in itself is amazing to say when your a/c breaks down in July. Came...

Red B.

Professional service at a reasonable price. Customer service is excellent. They understand my needs and get the right people to do the job. They also...

Joanne C.

Fast, efficient, knowledgeable and honest service! Very reasonable and family owned, who could ask for more nowadays? Highly recommend. He is unquestionably my go to...

Elyse G.

Excellent work and excellent customer service. Andrew and his technicians are professional, honest, reliable. Our A/C issues were fixed quickly and correctly. Have used them...

Dorothy M.