Long Island Mechanical Services
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.

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.
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
Frequently Asked Questions (FAQs)
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