Long Island Mechanical Services 

Mountain Mechanical NY, Inc. is Long Island’s trusted source for professional mechanical services, delivering responsive, reliable, and cost-effective solutions across Nassau and Suffolk counties. Our fully licensed and insured technicians specialize in commercial HVAC installation, service, and commissioning—bringing decades of industry experience to every project.

Factory Certified. Commercially Proven.

 

 

Full-Service Mechanical Contractors in Long Island, NY

Whether servicing a high-rise development, a retail center, or a multi-use facility, we utilize premium-grade materials, cutting-edge tools, and proven practices to ensure seamless performance, efficiency, and compliance. From preventive maintenance to complex system overhauls, Mountain Mechanical NY, Inc. is your partner in operational excellence.

Showcasing Our Latest High-Profile Projects

We’re proud to be making headlines with some of our most exciting recent work. From transforming the historic Pepsi-Cola plant in Patchogue into a modern Extra Space Storage facility, to completing a state-of-the-art pool installation for Goldfish Swim School, our team continues to deliver excellence across industries. These projects highlight our commitment to quality, innovation, and community impact. Stay tuned as we keep building and shaping spaces that matter.

After 15-Year Restoration Project, Historic Nathaniel Rogers House Finally Opens

If you are craving a taste of history on your trip to the Hamptons this summer, there is no better place to stop than the Nathaniel Rogers House in Bridgehampton, now open to the public after a restoration project nearly 20 years in the making. The 19th-century building, listed on the National Register of Historic Places and a landmark in Southampton Town, is one of the few full portico, or temple front, Greek Revival houses to survive across the island.

View Project

From Iconic Soda Factory to Modern Storage Hub: The Revitalization of 500 W Sunrise Hwy

The former Pepsi-Cola bottling plant at 500 W Sunrise Hwy in Patchogue, NY has been thoughtfully repurposed into a state-of-the-art Extra Space Storage facility. What was once a symbol of mid-century American manufacturing has been transformed to meet the growing demand for secure, accessible storage solutions in the Long Island area. The building’s solid structure and expansive footprint provided the perfect canvas for this modern upgrade, blending historic industrial charm with cutting-edge functionality. View Project

 

Making Waves: Our Latest Pool Installation at Goldfish Swim School

We are proud to have partnered with Goldfish Swim School to bring their signature aquatic experience to life with the installation of their brand-new pool. Known for providing top-tier swim lessons and water safety education for children, Goldfish Swim School relies on safe, high-quality pool environments—and we delivered just that. From precision planning to flawless execution, our team ensured that the pool met the highest standards of safety, durability, and functionality. View Project

 

Industries We Proudly Serve

Our work includes HVAC systems for churches and houses of worship, low- and mid-rise housing, multi-family residences, and mixed-use developments. We specialize in addressing mechanical violation resolutions, electrification, and compliance with local laws, ensuring seamless and efficient operations. From new installations and retrofitting to modernization and water-source heating and cooling systems, we provide tailored solutions to meet unique needs.

Churches & Houses of Worship
Low & Mid-Rise Housing
Multi Family & Mixed-Use
High End Residential & Luxury Penthouses
Indoor Pool & Fitness Center Specialist
Retail & Franchise Service Provider
New Construction, Installation, & Retro Fit Work
Local Law Compliance & Violation Resolution
Electrification,
Local Law, & Modernization
Water Source Cooling & Heating
Cook Hoods, Kitchen Exhaust, & Duct Cleaning
Municipal & Emergency Service Provider

 

We provide mechanical services throughout all of Long Island

Bay Shore, Huntington, Hempstead, Garden City, Riverhead, Patchogue, Port Jefferson, Massapequa, Babylon, Smithtown, and beyond.

Why Choose Us for Mechanical Services on Long Island?

Locally Owned & Operated – Deep roots in the Long Island community

Licensed, Bonded & Insured – Your protection is our priority

Same-Day & 24/7 Emergency Service – Because issues don’t wait

Upfront Pricing & No Hidden Fees – Honest, affordable service

100% Satisfaction Guaranteed – We’re not happy until you are

 REQUEST A QUOTE

long-island-mechanical-services

 

Frequently Asked Questions (FAQs)

1Are your technicians certified?
Yes, all of our HVAC, plumbing, and electrical technicians are fully certified, licensed, and insured in New York State.
2Do you offer emergency mechanical services?
Absolutely. We offer 24/7 emergency repair services for HVAC, plumbing, and electrical issues.
3Can I get a free estimate?
Yes, we provide free in-person or virtual estimates for all new installations and major repairs.
4Do you work with commercial properties?
Yes! We offer full mechanical contracting for commercial buildings, warehouses, medical offices, and retail spaces.

Book Long Island Mechanical Services Today

Don't wait until your system fails. Call us now to schedule a free consultation or get emergency service fast. We're standing by to serve homes and businesses across Long Island.

Call Now: 833-504-4822 (HVAC)
Serving Nassau & Suffolk Counties, NY

Department of NY State