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Fast, reliable, and professional HVAC solutions.
We will contact you back within 24 hours.
Supporting Local Pros
We pride ourselves on working with the best local technicians to serve our community.
Quality Work Guaranteed
Every job is backed by our comprehensive warranty and commitment to excellence.
Affordable Financing
Flexible payment options available to ensure your comfort never breaks the bank.
Expert Technicians
for Your Comfort.
Since 1999, Mustang Heating & Air has been the trusted HVAC contractor for homeowners across Suffolk County and Nassau County, NY. From Ronkonkoma to Garden City, our certified technicians deliver honest, expert heating and cooling solutions with no sales pressure and no hidden fees.
Years of
Experience
HVAC Services Across Suffolk & Nassau County
From Ronkonkoma to Garden City, we provide top-tier heating and cooling services for Long Island homeowners. Installation, repair, and maintenance — handled with precision by our licensed, ACCA-certified technicians.
Air Conditioning
Complete central air conditioning installation, repair & service.
Learn More About Air Conditioning
Heating Installation
Expert furnace, boiler & heating system installation.
Learn More About Heating Installation
Maintenance Contracts
Preventive HVAC maintenance plans to protect your investment.
Learn More About Maintenance ContractsThe Mustang Difference
Suffolk County and Nassau County homeowners choose Mustang Heating & Air because we show up on time, price fairly, and stand behind every job. No commission-driven upsells — just honest HVAC work from local Long Island technicians who care about your comfort.
Licensed & Insured
Fully certified technicians for your peace of mind and safety.
Family Owned
Serving our Nassau neighbors with integrity since 1995.
25+ Years Experience
Decades of expertise in solving complex heating & cooling issues.
Satisfaction Guarantee
We don't stop until you're completely comfortable in your home.
ACCA Member
Proud members of the Air Conditioning Contractors of America.
"Fast, reliable, and professional service!"
— Sarah M., Nassau Resident
Recent Projects
Explore our latest installations and service projects. We take pride in delivering professional, clean, and high-quality HVAC solutions for every home.
Project 1
A showcase of our commitment to excellence and high-quality workmanship in every detail.
What Suffolk & Nassau County Neighbors Say
We take pride in our 5-star reputation across Long Island. Your comfort is our top priority.
"Saved us on a hot day! The technician arrived within an hour of my call and fixed our AC unit quickly. Highly recommend Mustang Heating & Air."
"We had a new heat pump installed last month. The team was professional, clean, and explained everything. Our energy bills are already lower!"
"I've been using their maintenance plan for 3 years. My system runs like new, and the peace of mind is worth every penny."
Ready to Restore Your Comfort?
Trusted by homeowners across Suffolk County and Nassau County, NY. Call us or book online — same-day and 24/7 emergency service available.
Serving Suffolk County & Nassau County, NY
Mustang Heating & Air provides HVAC installation, repair, and maintenance across Long Island:
- Nassau, NY
- Holbrook, NY
- Bohemia, NY
- Lake Nassau, NY
- Islip, NY
- Central Islip, NY
- Sayville, NY
- Patchogue, NY
- Smithtown, NY
- Hauppauge, NY
- Commack, NY
- Huntington, NY
- Brentwood, NY
- Bay Shore, NY
- Babylon, NY
- Garden City, NY
- Hempstead, NY
- Valley Stream, NY
- Massapequa, NY
- Hicksville, NY
- Levittown, NY
- Westbury, NY
- Mineola, NY
- East Meadow, NY
- Uniondale, NY