Your Local Experts for Plumbing, Heating, Cooling & Contracting
Proudly serving Long Island, NY, NJM provides reliable residential and commercial services throughout Nassau and Suffolk County — done right the first time.
Plumbing Services on Long Island, NY
When plumbing issues arise, you need reliable experts who respond quickly and get the job done right. NJM Plumbing, Heating & Cooling provides full-service plumbing solutions across Long Island, including Nassau and Suffolk County.
From small leaks to complete system replacements, our licensed plumbers handle every job with precision and care to protect your home or business.
Our Plumbing Services Include:
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Plumbing installation and replacements
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Leak detection and repairs
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Gas line repair and installation
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Gas inspection services
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Emergency plumbing services (available 24/7)
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Clogs and backup clearing
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Water heater installation and replacement
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Water treatment and filtration systems
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Commercial plumbing services
Whether it’s a simple repair or a major installation, NJM delivers dependable service and long-lasting results you can count on.
Heating Services on Long Island, NY
Keep your home or business warm and energy-efficient with NJM’s professional heating services. Serving Nassau and Suffolk County, our technicians specialize in installation, maintenance, and repair of all types of heating systems.
We focus on efficiency, comfort, and safety — ensuring your system performs at its best during the coldest months.
Our Heating Services Include:
Boiler installation and replacement
Boiler repairs and maintenance
Radiant floor heating systems
Furnace installation and repair
Geothermal heating solutions
From tune-ups to total system upgrades, NJM provides quality heating services trusted by Long Island homeowners and businesses.
Cooling Services on Long Island, NY
Stay cool and comfortable year-round with NJM’s cooling and air conditioning services across Long Island, Nassau County, and Suffolk County.
Our HVAC experts handle everything from central air installations to ductless systems — improving efficiency, comfort, and air quality for your home or business.
Our Cooling Services Include:
Air conditioning installation and replacements
Air conditioning repairs and maintenance
Ductless mini-split systems
Commercial cooling solutions
With NJM, you’ll enjoy reliable cooling performance and energy-efficient systems built to last.
Contracting Services on Long Island, NY
As a full-service contractor serving Long Island, NJM Plumbing, Heating & Cooling offers professional construction and renovation solutions for residential and commercial clients across Nassau and Suffolk County.
We combine craftsmanship, attention to detail, and project management expertise to bring your vision to life — on time and within budget.
Our Contracting Services Include:
Dormers and home extensions
Window and door installation
Kitchen remodeling
Bathroom remodeling
Full renovation and build-out services
Whether expanding your home or upgrading your interiors, NJM’s skilled team delivers high-quality results that last.
