Trusted HVAC Experts Serving Lloyd Harbor, NY

Delivering high-quality HVAC solutions for Lloyd Harbor homes with performance, efficiency, and care.

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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

We proudly serve Lloyd Harbor homeowners with customized HVAC solutions designed for coastal conditions, larger homes, and premium comfort expectations. Based nearby in East Northport, our team brings nearly 50 years of experience installing and servicing systems that deliver quiet performance, energy efficiency, and long-term reliability.

Explore Our Core HVAC Services

We install and service furnaces and heat pumps designed for Northport’s winters. Our solutions focus on efficiency, reliability, and consistent comfort.

Heating Services

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From central AC to ductless systems, we deliver cooling solutions that handle humid Long Island summers with ease.

Cooling Services

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 We install and repair tank and tankless water heaters sized for your household’s needs.

Water Heating

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 Improve comfort and health with air purification, filtration, and humidity control solutions.

Indoor Air Quality

Air conditioner blowing cool air.

 Prevent breakdowns and extend system life with scheduled HVAC maintenance.

Maintenance Plans

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Exceptional comfort, efficiency, and peace of mind for Lloyd Harbor families.

Trusted by Homeowners Across Long Island

Five black stars.

Northport residents rely on our reputation for honest service and dependable results.

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.

Why Lloyd Harbor Clients Choose Cool Pro Mechanical

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Nearly 50 Years of Experience

Trusted HVAC solutions since 1977.

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Top Industry Partnerships

Authorized Rheem, Bosch, and Fujitsu contractor.

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Customer-First Service

Clear communication and no-pressure recommendations.

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Energy-Efficient Solutions

Heat pumps and systems that qualify for PSEG rebates.

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Financing & Fair Pricing

 Free estimates, price matching, and 0% financing.

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Approaching

50

Years in business

Insights & Resources

Helpful tips and seasonal HVAC advice from our experts.

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Nature's Symphony

Breathtaking colors of our planet
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White and green air conditioner unit mounted on a brown building wall.

Sands of Time

Stark beauty of desolate dunes
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Beyond Boundaries

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Ready to Get Comfortable Year-Round in Lloyd Harbor?