10 Best HVAC Companies in Lake Ronkonkoma, NY

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Last Updated: February 25, 2025

According to the U.S. Department of Energy, about 55% of the energy used in American homes is used for heating and cooling. Energy expenses in Lake Ronkonkoma can be steeper than in some other places, meaning that you're probably trying to save money on your bill.

Our list of Lake Ronkonkoma's top HVAC companies can help you save money by getting your HVAC system installed, repaired or replaced by the right person for the right price.

Top 10 Best HVAC Companies in Lake Ronkonkoma

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Air Specialties Air Conditioning & Heating Inc

Air Specialties Air Conditioning & Heating Inc Logo

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User Rating

25 Spring St, West Haven, CT 06516 (203) 533-4012 airspecialtiesac.com

Clear pricing policy

Reliable customer support

Informative resources

Prompt service delivery

Free quotes

Services Offered

Furnace repair
Ac repair
Ac installation
Boiler repair
Ventilation
Ductless
Maintenance
Boiler installation
Filtration
Inspection
Furnace installation
Emergency services
Indoor air quality

M&R Mechanical Services

M&R Mechanical Services Logo

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1050 Bridgeport Ave F3, Milford, CT 06460 (203) 951-5207 mandrmechanical.com

Reliable customer support

Informative resources

Clear pricing policy

Free quotes

Services Offered

Furnace repair
Boiler repair
Ventilation
Furnace installation
Ac repair
Ductless
Maintenance
Indoor air quality
Duct cleaning
Ac installation
Boiler installation
Filtration
Emergency services

Aire Serv of Shelton

Aire Serv of Shelton Logo

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User Rating

41 Clifton Ave, Ansonia, CT 06401 (203) 717-9527 aireserv.com

Informative resources

Clear pricing policy

Reliable customer support

Free quotes

Prompt service delivery

Services Offered

Filtration
Emergency services
Maintenance
Ac repair
Ac installation
Indoor air quality
Boiler installation
Boiler repair
Furnace installation
Duct cleaning
Furnace repair
Inspection

Onofreo Home Comfort Systems LLC

Onofreo Home Comfort Systems LLC Logo

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280 Quarry Rd, Milford, CT 06460 (203) 793-6811 onofreohomecomfort.com

Free quotes

Clear pricing policy

Prompt service delivery

Reliable customer support

Services Offered

Maintenance
Inspection
Filtration
Furnace installation
Ac repair
Indoor air quality
Ductless
Ac installation
Emergency services
Ventilation
Boiler installation

Danisi Energy

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User Rating

3205 NY-112, Medford, NY 11763 (631) 732-6666 danisienergy.com

Free quotes

Reliable customer support

Informative resources

Clear pricing policy

Services Offered

Ac repair
Furnace installation
Maintenance
Radiant heating
Indoor air quality
Filtration
Ductless
Emergency services
Boiler installation
Inspection
Ac installation
Ventilation

Sears Heating and Air Conditioning

Sears Heating and Air Conditioning Logo

Our Rating

User Rating

35 Melville Park Rd Ste 200, Melville, NY 11747 (631) 270-5310 searshomeservices.com

Reliable customer support

Free quotes

Services Offered

Filtration
Maintenance
Ductless
Furnace installation
Ac repair
Ac installation
Boiler installation
Ventilation
Indoor air quality
Inspection

Absolute HVAC Mechanical Systems Inc.

Absolute HVAC Mechanical Systems Inc. Logo

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User Rating

Granny Rd, Farmingville, NY 11738 (631) 320-0814 absolutehvacli.com

Informative resources

Free quotes

Reliable customer support

Prompt service delivery

Clear pricing policy

Services Offered

Ac installation
Inspection
Ventilation
Indoor air quality
Maintenance
Boiler installation
Furnace installation
Ac repair
Emergency services
Ductless

GMG HVAC Inc.

GMG HVAC Inc. Logo

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User Rating

77 Windsor Pl Suite 11, Central Islip, NY 11722 (631) 309-2535 gmghvac.com

Informative resources

Free quotes

Clear pricing policy

Reliable customer support

Services Offered

Furnace repair
Duct cleaning
Filtration
Indoor air quality
Ac installation
Emergency services
Ventilation
Maintenance
Furnace installation
Ac repair

Innovative Air Solutions Inc.

Innovative Air Solutions Inc. Logo

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User Rating

11 Kimball Pl, Mt Vernon, NY 10550 (914) 855-1888 innovativeairsolutions.com

Free quotes

Informative resources

Clear pricing policy

Services Offered

Boiler installation
Furnace repair
Filtration
Maintenance
Duct cleaning
Emergency services
Boiler repair
Ac repair
Indoor air quality
Ac installation
Furnace installation

ALL Seasons Air Conditioning

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Our Rating

User Rating

40 Field St, West Babylon, NY 11704 (631) 694-1616 seasonsair.com

Free quotes

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

Indoor air quality
Maintenance
Ac installation
Furnace installation
Ac repair
Emergency services
Ventilation
Filtration
Ductless
Inspection
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your home's HVAC system is malfunctioning or nearing the end of its lifespan, you might need an HVAC contractor for repairs or replacement. Watch for these common indicators that your system requires professional attention:

  • Frequent breakdowns and need for repairs
  • Strange noises when turning on
  • Corrosion, cracking, or rust
  • Temperature control issues or thermostat malfunctions
  • Higher than normal energy bills
  • Poor air circulation or uneven heating/cooling
  • Refrigerant leaks
  • An HVAC system that's over 15 years old

If you notice any of these HVAC issues, have a technician inspect your system. A local professional can identify problems and decide whether fixing or replacing your HVAC unit is the correct solution.

Cost of HVAC Installation and Maintenance in Lake Ronkonkoma

The price of HVAC installation or maintenance varies depending on the type of unit you have. Common types of HVAC units include the following:

  • Split or mini-split: If your home doesn’t have the ductwork for central air or heating, you likely have a split or mini-split system instead. Split HVAC systems have indoor units in each room to control temperature. These connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system works almost the same as a standard split system. It has the benefit of being able to utilize either electricity or gas for power.
  • Heat pump: Heat pumps exchange warm and cool air between your home and the outdoors. They don't generate their own heating and cooling, so they work more effectively in more temperate climates.
  • Packaged heating and air: Packaged HVAC systems are more popular in smaller homes. They consist of a single heating and cooling unit that's normally located in a basement or attic. This unit tends to be compact, efficient, and easy to maintain.

The price of HVAC maintenance also depends on what kind of work you're having done. HVAC systems are complex and may require different kinds of maintenance. The cost of some common repairs is as follows:

HVAC Unit TypeCost
Split$1,948-$4,966
Hybrid Split$3,947-$7,272
Heat Pump$3,056-$31,141
Packaged Heating and Air$256-$426

Ways to Save Money on HVAC Costs

Fixing your HVAC by repairing or replacing parts when needed is crucial, but can be expensive. Luckily, there are actions you can take to reduce gradual wear and tear on your system.

  • Monitor for potential problems. Keeping an eye out for problems, for instance by consistently checking your thermostat and energy bills, helps you resolve them before they get out of hand.
  • Change the position of your blinds seasonally. Leaving your blinds open during the winter allows passive solar heating to warm your home. Closing the blinds in warmer seasons helps prevent the heat from getting inside. Doing both helps reduce the demand on your HVAC.
  • Keep your system clean. Keeping your condenser fan blades, grills, ductwork, and indoor evaporator coil clean helps your system run and reduces the risk of mold growth. The National Air Duct Cleaners Association recommends that you clean your HVAC system when it starts to look dirty.
  • Change filters regularly. Air flows best through your HVAC system when you replace or clean the filters every 30–90 days. Also avoid letting debris pile up on the outdoor parts of your HVAC.
ServiceCost
Filter Replacement$64-$170
Condensor Cleaning$1,279-$3,836
Thermostat Repair$85-$213
Ductwork Cleaning$409-$1,023

How To Choose a Local HVAC Company

Knowing what to look for in an HVAC company is important for a successful project. Look for an experienced, licensed contractor that can offer you peace of mind and ensure your system provides reliable air conditioning and heating for your home.

Compare Multiple Bids

Contact at least three HVAC providers for quotes. Describe the issues and have technicians visit to inspect your HVAC system if possible. Compare the providers' explanations, solutions, estimated costs, warranties, and timeframes. Avoid companies that pressure you or demand payment upfront.

Check Credentials

It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. In all states, HVAC contractors have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, individuals must pass an exam (the specific exam depends on the kind of equipment they plan to work with). Section 608 certification is required for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." All other licensing requirements are handled at the state level.

There is no state-level HVAC licensing in New York; however, many cities and municipalities have their own requirements, so be sure to check with your local government. For example, in some cases, a technician may need a High Pressure Boiler Operating Engineer or Oil Burning Equipment Installer license from the NYC Department of Buildings, or a Certificate of Qualification for Refrigerating System Operating Engineer from the Fire Department of New York. Checking reviews on Google Reviews, Yelp, the Better Business Bureau (BBB), and similar sites can help your decision. Choose a provider with stellar reviews and stories of positive customer experiences.

Understand Work Details

Make sure you know the details of your project before starting. When getting HVAC repairs, have your provider detail which parts need replacement and why. Get confirmation that your technician will clean and test your system after the repair to ensure that everything works. When replacing your HVAC, ask the provider to explain the new features, brand, energy efficiency, estimated installation time, and model. Before signing paperwork, make sure you understand the process your provider will use to size the new HVAC system appropriately for your home and what the price will be.

Compare Warranties

Reliable HVAC companies offer warranties on service and installations. The more complete the coverage, the better. Compare warranty details between companies and pick the one that provides the best protection for a fair price.

Get Quote in Writing

Get a written estimate before HVAC work begins. A comprehensive quote includes both labor and material costs. Make sure you understand and accept all terms before signing the contract.

Frequently Asked Questions About HVAC in Lake Ronkonkoma, NY

You should have your HVAC system inspected approximately twice a year. Following an inspection, your technician will tell you if any services are required. You should also call a technician if you start noticing issues such as leaks, strange noises, or unusual smells. If your system has ductwork, it should be inspected every few years.

Normally, it's best to schedule inspections in the spring and fall, as these times tend to be less busy. This also helps get your system ready for the summer and winter, when it typically sees the most use.

You can save energy throughout the year by making it easier for your HVAC system to maintain your home's temperature. During all seasons, keep your thermostat as close to the outside temperature as is comfortable, and try to adjust it only a few degrees at once. You might also consider purchasing a smart thermostat.

For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. For a house over 1,000 square feet, central air will generally be more effective than window units for cooling.

For a 2,000-square-foot home, you'll also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units).

Typically, HVAC financing is offered through a third-party lender. If your HVAC company doesn't offer these options, you may consider taking out a loan on your own. Be sure to speak with a financial advisor and your HVAC company to determine what options are available and appropriate for your situation.

There are a number of ways you can make your HVAC system more energy-efficient:

  • Keep ductwork clean, and clean or change your air filters regularly.
  • Have regular inspections to take care of issues as they arise.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you aren't able to purchase one, try keeping your inside temperature as close to the outside temperature as is comfortable.
  • When it comes time to replace any part of your system, explore Energy Star-certified or other environmentally friendly options.

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