Exceptional Cooling and Heating Services for Your Comfort

As a family-owned business, GMG HVAC Inc. offers outstanding customer care and professional, personalized cooling and heating services in Central Islip, NY, and all Suffolk Counties. Licensed and insured, we strive for excellence, delivering honest, high-quality solutions to exceed your expectations.

Comprehensive HVAC Solutions Tailored to Your Needs

We have many HVAC services designed to bring you maximum comfort and efficiency. Our cooling and heating services include:

HEATING AND AIR CONDITIONING SERVICES: Our comprehensive HVAC services keep your home comfortable year-round, providing both heating and cooling solutions.
AC REPAIR AND MAINTENANCE: We ensure your AC system runs efficiently and reliably with our expert repair and maintenance services, keeping you cool when it matters most.
CENTRAL AC INSTALLATION: Experience cool and consistent comfort with our professional central AC installations tailored to your home’s needs.
FURNACES: Stay warm and cozy during the cold months with our efficient and reliable furnace solutions.
FURNACE INSTALLATION AND REPLACEMENT: We offer top-notch furnace installation and replacement services to keep your home warm and comfortable.
HEAT PUMPS: Enjoy energy-efficient heating and cooling year-round with our heat pump solutions.
PREVENTIVE MAINTENANCE: Our proactive maintenance extends the life and performance of your HVAC system, giving you peace of mind.
THERMOSTATS: Take control of your comfort with our thermostat installation and maintenance services, ensuring your home is always at the right temperature.
COMMERCIAL HVAC SERVICES: We provide tailored HVAC solutions for businesses to maintain optimal working conditions and climate control.
INDOOR AIR QUALITY: Breathe cleaner air and create a healthier indoor environment with our air quality services.
AIR PURIFICATION: We offer top-class air purification to ensure excellent indoor air quality, enhancing your well-being.
DUCT CLEANING: Improve air quality and efficiency by removing contaminants with our thorough duct cleaning services.
FILTER CHANGING: Keep your HVAC system running smoothly with our regular filter changing services, maintaining clean and efficient air circulation.

Connect with Our Cooling and Heating Services Experts Today

Are you ready to experience exceptional service with GMG HVAC Inc.? Don’t wait any longer. Upgrade your comfort by contacting our cooling and heating services specialists at (516) 597-5232.

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.