approaching 50 years in business

Trusted HVAC Experts Serving Long Island Since 1977

Based in East Northport, we proudly serve families and businesses across Long Island & Beyond with reliable, high-quality heating and cooling solutions.

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Heating Sytems

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Cooling Systems

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Hot Water Systems

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Indoor Air Quality

Built on Service, Driven by Integrity

Cool Pro Mechanical is a family-owned Long Island HVAC company serving Suffolk and Nassau County with nearly 50 years of trusted expertise. Based in East Northport, we help homeowners and local businesses stay comfortable through every season with dependable heating, cooling, hot water, and air quality solutions. Our team is known for honest guidance, top-quality workmanship, and equipment from the industry’s most respected brands. From Huntington to Smithtown and Commack, we’re committed to delivering comfort you can count on

Explore Our Core HVAC Services

We provide expert furnace and heat pump installation, repair, and replacement tailored to Long Island homes. Our heating solutions combine efficiency, reliability, and comfort for every season.

Heating Services

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From central AC to ductless systems, we design and install cooling solutions that keep your home comfortable and energy efficient. Repairs, replacements, and expert diagnostics ensure dependable performance.

Cooling Services

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Our team installs and services traditional and tankless water heaters built for steady performance and lower energy use. We help you choose the right system for your needs and budget.

Water Heating

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Improve your home’s air with purifiers, UV lights, humidifiers, and whole-home filtration systems. We offer customized solutions that help reduce allergens and enhance comfort.

Indoor Air Quality

Air conditioner blowing cool air.

Our HVAC maintenance plans keep your systems running efficiently with scheduled tune-ups, priority service, and long-term savings. Regular care helps prevent breakdowns and extend equipment life.

Maintenance Plans

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PSEG Long Island logo with a sunburst graphic, black text, and orange accents. "Home Comfort Partner" below.
Rheem Pro Partner logo with a red circle and checkmark icon.
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Bosch logo with "Certified Partner" text below.
Rheem Pro Partner logo with a red circle and check mark.
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Affordable HVAC Financing Made Simple

Get the comfort you need now and pay over time with our flexible 0% interest financing options. Whether you’re installing a new AC, upgrading your heating system, or replacing a water heater, Cool Pro Mechanical makes it easy to fit your project into any budget. Fast approvals, stress-free payments, and expert guidance ensure you can upgrade your home without delay.

We measure success by the comfort, confidence, and peace of mind our Long Island customers feel year-round.

Why Long Island Clients Choose Cool Pro Mechanical

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Approaching 50 Years of Business

We’ve been serving Long Island since 1977 with dependable HVAC solutions rooted in skill, family values, and community trust. Our long history means proven results and craftsmanship you can rely on.

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Top Industry Partnerships

As a Rheem Pro Partner and Bosch Certified Contractor, we install high-efficiency systems backed by superior warranties and training. These partnerships ensure better equipment options and access to valuable rebates.

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Customer-First Service

Every customer works with a dedicated representative for clear communication and personalized support. We provide honest guidance without upselling and ensure a smooth experience from start to finish.

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Energy-Efficient Solutions

We specialize in heat pumps, tankless water heaters, and eco-friendly systems that lower energy bills and qualify for PSEG Long Island rebates. Our team helps you make informed, cost-saving decisions.

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Financing & Fair Pricing

Enjoy free estimates, a Price Match Guarantee, and 0% interest financing options to make comfort more affordable. We work to remove barriers so every homeowner can access reliable HVAC service.

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Approaching

50

Years in business

Check Out Our Work

Trusted by Homeowners Across Long Island

Five black stars.

 Our clients, partners, and community recognize our dedication to honest service, quality workmanship, and long-term reliability.

Very professional experience. Install went off smoothly. New system works great.


Martin F.

Professional, quick response to any concerns, project finished in two days and efficient cleanup.


Lucille B.

Great Service - and Big help to get our heating back running


Georg P.

Very professional experience. Install went off smoothly. New system works great.


Martin F.

Professional, quick response to any concerns, project finished in two days and efficient cleanup.


Lucille B.

Insights & Resources

Stay informed with helpful tips, seasonal advice, and updates from our expert HVAC team.

How to Improve Indoor Air Quality Without Duct Cleaning

Tank vs. Tankless Water Heaters: What’s Best for Long Island Homes?

How PSEG Long Island Rebates Reduce the Cost of Heat Pumps

Understanding the 2026 Refrigerant Transition: What Homeowners Should Know

Ready to Get Comfortable Year-Round?

We proudly serve homeowners in East Northport and across Long Island & Beyond with HVAC solutions built for reliability and performance. Let’s talk about how we can help improve your heating, cooling, or home comfort today.