National Mechanical Services, Inc. offers full-service mechanical contracting, professional boiler sales, installation and redesign services for the Tri-State real estate community. National Mechanical provides exceptional service and value-driven pricing for our clients. All of National Mechanical’s installers are trained, certified and experienced in installing all types of equipment, and our welders are certified to ASME standards.

Premium installation service offerings include:

  • Boiler/Burner Installation: Serving NY metropolitan multi-family residences, high-rises and commercial facilities, National Mechanical experts install high-performance boiler/burner products that are cost effective, energy saving and built to last. From high & low pressure steam boilers to hot water heating and turnkey boiler replacement, our trusted products and installation solutions are tailored to the size and specifications of your project. National Mechanical works with plans and specifications designed by your engineer. However, if you do not have an engineer—we are also a design-build specialist. Contact us to discuss our ability to reduce your fuel consumption, as well as your carbon footprint.
  • Oil to Gas Conversions: As an experienced oil-to-gas conversion contractor, National Mechanical offers one-stop solutions for multi-family residential and commercial clients. After analyzing your present and future energy requirements, our team of expert technicians recommends equipment options, establishes new specs, obtains permits and safely installs your new, gas-powered equipment. Fully committed to your safety, our team of qualified experts ensures that each installation is completed carefully and efficiently.
  • Redesign Services: In addition to new boiler design-build services, National Mechanical Services redesigns existing boiler plants for improved efficiency and performance. Following a thorough assessment of your site requirements, our technicians customize and install boiler room equipment that suits your budget and heating needs.
  • Mobile (Portable) Boilers: Whether you require a mobile boiler for a day, a month, or more, National Mechanical Services, Inc. specializes in meeting your hot water and heating needs quickly and affordably. Our company’s trailer-transported boiler fleet is one of the largest and cleanest in the NY metro region, and our mobile equipment comes ready for turnkey installation, no matter what your building size, configuration or load requirements. Mobile boilers are ideal for use during facility expansions, building renovation and remediation, annual safety inspections, critical equipment failures and other emergency situations. When you trust National Mechanical for mobile rental, we’ll provide prompt, efficient service, start-up and training. Our full-service mobile boiler rentals include fully inspected burners, boilers, control gear, feed systems and blow down systems, and come with:
  • 24/7 delivery, start-up and support
  • Pre-service consultation and operator instruction
  • Flexible time frames and budget options
  • Large inventory selection
  • On-site technical support
  • Total installation and removal
  • Chiller Replacements: Chillers are some of the most costly pieces of equipment in your facility. When it is time to replace yours, National Mechanical helps you select the chiller that’s best for your building and your budget, taking potential electricity savings, load profiles and comfort requirements into consideration. Then we promptly install your new chiller equipment, taking measures to avoid the disruption of building residents, employees and guests.

No matter what your situation, National Mechanical Systems, Inc. assures expedient installation and delivery of well-maintained, high-performance mobile boilers and equipment—and our systems are installed and supported by trained technicians with decades of boiler/burner experience. Contact our qualified team members today to inquire about installation options, schedule mobile boiler rental, or request a consultation with a Mortman principal.

A Word From Our Customers

"As a long-term client of National Mechanical Services Inc, I can attest that Jeff and his team have always provided my company with excellent service. They bring a level of expertise to every aspect of the job they perform from minor repair work to complete boiler/burner installation. Their professionalism is only out matched by their responsiveness to any emergency that they encounter.

I would highly recommend National Mechanical Services Inc to anyone looking for a burner service company or is in need of a new heating plant."

Charles Hirsch, President of Milbrook Properties, Ltd.

Satisfied Client