County Service Area

HVAC Contractor in Nassau County, NY

Nassau County encompasses the western and central portions of Long Island, home to dense suburban communities and established neighborhoods. The county includes major hubs like Hempstead, Garden City, and Great Neck. Properties here range from post-war homes to contemporary residences.

Call (631) 875-2966
Service Location

Nassau County, NY

NY County Service Area

No extra travel fees for this area

Communities we serve

Hempstead Garden City Great Neck Manhasset Freeport Mineola Rockville Centre Merrick
  • Free On-Site Estimate
  • Licensed & Insured
  • 24/7 Emergency Service
  • Premium Materials
  • Workmanship Guaranteed
Detail of a Nassau County home's entrance, showcasing professional workmanship and attention to local architectural standards.

Nassau County, NY

Emergency response available 24/7

A. Monte Services Corp. in Nassau County, NY

Nassau County Expertise Built on Local Relationships

Nassau County's dense residential fabric means we work closely with neighbors and municipal inspectors. We prioritize clean job sites, respectful communication, and adherence to local noise and parking rules.

We hold all required Nassau County licenses and maintain current insurance and bonding. Our team stays current on county-specific code updates and inspection protocols.

Nassau properties often feature older infrastructure and tighter lot lines. We bring specialized experience in managing these constraints while delivering quality results.

At a glance

  • 17 years of trusted local hvac contractor experience
  • Free written estimates with no obligation
  • Premium options most contractors don't carry — we explain the differences honestly
  • Responsive scheduling and clear communication from estimate to completion
Call (631) 875-2966
Our Services in Nassau County, NY

Every service, available in Nassau County, NY

Nassau County residents expect reliable, professional service from contractors who know the area's building patterns and permit processes. We've worked extensively across Nassau's diverse neighborhoods and understand the specific needs of each community. Local knowledge and accountability are central to how we operate.

Client Reviews

What Suffolk County homeowners say.

5.0
3 Google reviews

Worked with us?

Leave a Review

A. Monte Services was upfront about what my system needed and did not try to oversell me. The work was clean, professional, and done right the first time.

Derek F. Google review

Our boiler stopped working on a weekend and they came out without hesitation. It is rare to find a company that actually shows up when you need them most.

Maria T. Google review

They installed a whole-home water filtration system and walked me through exactly how it works. You can tell they genuinely care about the job and the customer.

James R. Google review
Our Work

Recent projects across the panhandle

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Three blue HVAC units screened with louvered covers and surrounded by ornamental grasses against cedar shake home Mount Sinai, NY

Serving Nassau County, NY

Free on-site estimate. No commitment required.

Our crew knows Nassau County, NY. We will show up on time, assess the job honestly, and give you a clear written number before asking you to decide anything.

Call (631) 875-2966

Also serving across the panhandle:

FAQ

HVAC Contractor FAQ for Nassau County, NY

Common questions from Nassau County, NY homeowners about our services, process, and coverage.

Nassau County encompasses the western and central portions of Long Island, home to dense suburban communities and established neighborhoods. The county includes major hubs like Hempstead, Garden City, and Great Neck. Properties here range from post-war homes to contemporary residences.

We cover all of Nassau County, NY, including Hempstead, Garden City, Great Neck, Manhasset and surrounding communities. Travel does not affect our pricing — you pay for the work, not the drive.

Our crew is based in Mount Sinai, which puts us within a short drive of all Nassau County, NY communities. Our work is backed by 17 years of local experience across Long Island.

Yes, we provide emergency HVAC service on weekends and after hours across Long Island.

We service Long Island, Suffolk County, Nassau County, the Hamptons, and surrounding areas.

Yes, we install new heating systems and handle full replacements for residential properties.

Still have questions?

Call us directly. Real answers, no scripts.

Call (631) 875-2966
Find Us

Proudly Based in Mount Sinai, NY

Stop by, call, or book online — we're always nearby when you need us.

Hours

  • Monday 8:00 AM - 5:00 PM
  • Tuesday 8:00 AM - 5:00 PM
  • Wednesday 8:00 AM - 5:00 PM
  • Thursday 8:00 AM - 5:00 PM
  • Friday 8:00 AM - 5:00 PM
  • Saturday Emergency Service Available
  • Sunday Emergency Service Available