The Best HVAC in Mount Sinai, NY

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

#1

North Shore Climate Control

4.8
(142 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency heating and cooling systems for coastal Long Island homes. They are known for their expertise in combating local humidity with advanced dehumidification systems and providing robust heating solutions for nor'easter winters. They are Carrier Factory Authorized Dealers and NATE certified.

5488 Route 25A, Mount Sinai, NY 11766

Specialties & Features

24/7 Emergency Service
High-Efficiency HVAC Installation
Coastal Climate Humidity Control
Carrier Systems Expert

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Suffolk County HVAC & Appliance

4.6
(118 reviews)
Verified

A trusted local family-owned business with deep roots in the community. They offer a comprehensive range of services from routine AC tune-ups to complete system replacements. They excel in ductwork design and sealing, which is critical for energy efficiency in older Long Island homes. Their technicians are EPA-certified and highly trained on all major brands.

7221 North Country Road, Mount Sinai, NY 11766

Specialties & Features

Ductwork Design & Sealing
Furnace Repair & Installation
Preventive Maintenance Plans
Family-Owned & Operated

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

EcoTemp Energy Solutions

4.5
(96 reviews)
Verified

Specializes in modern, energy-efficient HVAC solutions and smart home integration. They are the go-to experts for heat pumps, geothermal feasibility assessments, and energy efficiency upgrades, including rebate and tax credit guidance. They focus on providing sustainable comfort solutions tailored to the seasonal demands of the Mount Sinai area.

1235 Route 25A, Unit B, Mount Sinai, NY 11766

Specialties & Features

Energy Efficiency Audits
Heat Pump Installation
Smart Thermostat Integration
Rebate & Financing Guidance

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Mount Sinai

The HVAC market in Mount Sinai, NY, is driven by its coastal climate, featuring humid summers that demand reliable AC and dehumidification, and winters with cold snaps from nor'easters requiring robust heating systems. The housing stock is a mix of older homes needing ductwork and system upgrades and newer constructions seeking high-efficiency solutions. Seasonal demand peaks during summer heatwaves and winter cold spells, making 24/7 emergency service a critical offering for top providers. The market is competitive with a focus on energy efficiency due to relatively high local utility costs.

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 Mount Sinai regulations and climate

Frequently Asked Questions About HVAC in Mount Sinai

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

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

For a standard single-family home in Mount Sinai, a full AC system replacement typically ranges from $5,000 to $12,000. This cost is influenced by the system's size (tonnage), efficiency rating (SEER), and the complexity of the installation, such as ductwork modifications. Given our humid Long Island summers, investing in a higher-SEER, dehumidification-focused unit can provide better comfort and long-term energy savings despite a higher upfront cost.

2When is the best time of year to schedule HVAC maintenance or replacement in Mount Sinai?

The optimal times are during the shoulder seasons—late spring (April-May) before the summer heat and humidity hit, and early fall (September-October) before winter. Scheduling during these periods ensures your system is ready for peak demand and provides much greater availability for local technicians. Avoid the first major heatwave or cold snap, as HVAC companies are inundated with emergency calls, leading to longer wait times and potential surge pricing.

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

Yes, homeowners should be aware of two key items. First, New York State has banned the installation of new fossil fuel heating equipment in certain new construction; while this primarily affects new builds, it signals a shift toward electrification. Second, you should always check for available rebates from PSEG Long Island and NYSERDA for installing high-efficiency heat pumps, air conditioners, or furnaces, which can significantly offset upgrade costs.

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

Prioritize contractors who are fully licensed, insured, and have a strong physical presence in Suffolk County. Look for companies with specific experience in older homes common to the area, which may have unique ductwork or insulation challenges. Always check for verified reviews on local platforms and ask for references from recent jobs in nearby communities like Miller Place or Rocky Point to gauge their community reputation and response time.

5My heat pump seems inefficient during our coldest weeks. Is this normal for Mount Sinai's climate?

It can be a common concern. While modern cold-climate heat pumps are effective, Mount Sinai's winter temperatures can occasionally dip into the teens, which is the lower threshold for standard air-source heat pump efficiency. For optimal year-round comfort, many local homeowners opt for a dual-fuel or hybrid system that pairs a heat pump with a gas furnace backup. This setup uses the efficient heat pump for moderate cold and automatically switches to the furnace during extreme cold snaps, ensuring reliability and cost-effectiveness.