HEATING PROJECT GALLERY
Explore real NJM heating installations, replacements, and upgrades across Long Island — organized by system type so you can see the quality of our work up close.
Our Story in Numbers
At NJM Mechanical & Contracting, we take pride in the craftsmanship behind every plumbing project. Browse our completed work below, grouped by service category, to get a clear sense of the detail and professionalism that goes into each job. From full system installations to water heater replacements, you’ll find examples of the work we deliver for homeowners and businesses across Long Island, Nassau County, and Suffolk County.
1000+
Heating Systems Installed & Serviced
Our team has completed thousands of heating projects across Long Island, delivering reliable performance and long-term comfort.
30+ Years
Industry Experience
With over three decades of hands-on experience, NJM Mechanical & Contracting has built a reputation for dependable heating solutions backed by technical expertise and proven workmanship.
1000+
Installed & Maintained
We specialize in modern, energy-efficient heating systems designed to improve comfort while helping homeowners and businesses reduce energy consumption and operating costs.
24/7
Emergency Response Availability
Day or night, our licensed technicians are on call when homeowners need immediate heating help.
Boiler Installation
Browse boiler installation projects completed for residential and commercial properties across Long Island. These galleries showcase full system installations, upgrades, and replacements completed to meet efficiency and safety standards.
Boiler Services
View boiler service and repair projects, including maintenance, diagnostics, and system troubleshooting. These examples highlight how we restore performance and extend the life of existing heating systems.
Radiant Floor Heating
Explore radiant floor heating installations completed in homes and commercial spaces. These projects showcase underfloor heating systems designed for even heat distribution, comfort, and energy efficiency.
Furnaces
Browse furnace installation and replacement projects for residential and commercial properties. These galleries highlight properly sized systems, clean installations, and reliable heating performance.
Geothermal
View geothermal heating system installations designed for long-term energy efficiency and sustainability. These projects showcase ground-source systems installed across various stages of construction and renovation.