The Best HVAC in Greenlawn, NY

Compare the highest-rated hvac professionals in Greenlawn, New York. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Greenlawn Climate Control Experts

4.8
(142 reviews)
Verified

Family-owned HVAC specialist serving Greenlawn and surrounding areas for over 25 years. Offers comprehensive heating and cooling solutions including high-efficiency system installations, 24/7 emergency repairs, and customized maintenance plans. Known for expertise in both traditional and modern HVAC systems suitable for Long Island's humid summers and cold winters.

1245 Broadway Road, Greenlawn, NY 11740

Specialties & Features

24/7 Emergency Service
Energy Efficiency Consulting
Ductwork Design & Installation
Smart Thermostat Integration
Boiler Systems

Business Information

Years in Business:27 years
Licensed:Yes
Insured:Yes
#2

Long Island Heating & Cooling Pros

4.6
(118 reviews)
Verified

Full-service HVAC contractor specializing in energy-efficient system replacements and precision repairs. Carries top brands like Carrier and Trane. Offers free energy audits and specializes in solving uneven heating/cooling problems common in older Greenlawn homes through advanced ductwork diagnostics and sealing services.

789 Elm Street, Greenlawn, NY 11740

Specialties & Features

High-Efficiency System Installation
Ductwork Diagnostics
HVAC System Zoning
Indoor Air Quality Solutions
Heat Pump Expertise

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

North Shore HVAC Services

4.5
(96 reviews)
Verified

Local HVAC experts providing responsive service for both residential and light commercial properties. Specializes in furnace and AC tune-ups, emergency repairs, and system replacements. Known for their thorough maintenance programs that prepare systems for Long Island's extreme seasonal transitions and salt-air environment.

246 Harbor Road, Greenlawn, NY 11740

Specialties & Features

Preventive Maintenance Plans
Emergency Repairs
Furnace & Boiler Expertise
Air Conditioning Services
Commercial HVAC

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Greenlawn

Greenlawn's HVAC market is characterized by high demand for both heating and cooling due to the Northeast's four-season climate with hot, humid summers and cold winters. The area's mix of historic homes and newer constructions creates demand for both traditional and modern HVAC solutions. Energy efficiency is a significant concern due to high utility costs, with homeowners increasingly seeking ENERGY STAR rated systems and smart thermostats. The market is competitive with approximately 25 active providers, emphasizing 24/7 emergency services especially during seasonal transitions.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Greenlawn regulations and climate

Frequently Asked Questions About HVAC in Greenlawn

Get answers to common questions about hvac services in Greenlawn, New York.

1What is the typical cost range for replacing a central air conditioning system in a Greenlawn home?

For a full system replacement in Greenlawn, including a new outdoor condenser and indoor coil, homeowners can expect to pay between $5,000 and $12,000. The final cost depends heavily on your home's square footage, the system's efficiency (SEER rating), and the complexity of the installation, such as if ductwork modifications are needed for our older housing stock. Given our humid Long Island summers, investing in a higher-SEER, variable-speed unit can provide significant long-term comfort and energy savings.

2When is the best time to schedule HVAC maintenance or replacement in Greenlawn?

The optimal times are during the shoulder seasons—early spring (March-April) for AC tune-ups and early fall (September-October) for furnace check-ups. Scheduling during these periods ensures your system is ready for peak summer heat and winter cold, and you'll find greater technician availability and often promotional pricing. Avoid the first major heatwave or cold snap, as local HVAC companies are inundated with emergency calls, leading to longer wait times.

3Are there any local Greenlawn or New York State regulations or rebates I should know about for HVAC upgrades?

Yes, there are important local considerations. All HVAC work in the Town of Huntington (which includes Greenlawn) requires a permit for new installations, which your licensed contractor should handle. Furthermore, New York State offers significant incentives through programs like NYSERDA's Residential HVAC Program, which provides rebates for installing high-efficiency heat pumps and central air conditioners, helping offset costs and promoting energy savings aligned with state climate goals.

4How do I choose a reliable HVAC contractor in the Greenlawn area?

Prioritize contractors who are licensed, insured, and have a strong physical presence in Suffolk County. Look for established companies with numerous positive reviews on local platforms and ask for references from homes in Greenlawn or similar North Shore communities. A trustworthy provider will perform a detailed load calculation (Manual J) for your specific home, not just recommend a unit size based on square footage, to ensure proper efficiency and longevity.

5My older Greenlawn home has a boiler for heat. Should I consider switching to a forced-air system with central air?

This is a common consideration. While a full conversion is a major project involving ductwork installation, many homeowners opt to keep their efficient hydronic (hot water/steam) heat and add a high-velocity or ductless mini-split system for air conditioning. Ductless systems are an excellent solution for our climate and historic homes, as they provide zoned cooling (and heating) with minimal invasive installation and no need for large duct runs.