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TRUSTED BY SETAUKET, NY HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon562
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Setauket

Avatar for MSD Heating & Cooling
MSD Heating & Cooling
4.9(
74
)
Central A/C - InstallElectric Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or Replace+47 more

Serving Setauket, NY and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Can't speak highly enough of Ali. Prompt, courteous, but most importantly able to get to the bottom of problem without ripping off the customer. AN HONEST MAN! After many years of searching, I've finally found an HVAC repair company that I can trust! Happy days are hear again."
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+1

3 neighbors recently requested a quote
Recommended by96%of homeowners
Just Rite Heating and Cooling
4.9(
131
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+6 more

Serving Setauket, NY and surrounding areas

Approved

In business since 1995

Free estimates

Credit card accepted

"Eric and his crew were fantastic. Arrived on time, did exceptionally neat work & were extremely professional. We would highly recommend Eric for any HVAC work."
Response time5 hrs
6 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for MassAir
MassAir
4.9(
64
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Service or Repair+11 more

Serving Setauket, NY and surrounding areas

Approved

In business since 2007

Free estimates

Warranties offered

"Joe and his crew were very professional and my central air conditioner was priced at a very reasonable rate. The job was done on time . I would not hesitate to recommend Massair. Thanks Joe"
Furnace
Ductless mini-split
Air Handler
Condenser
Condenser

+9

Response time3 hrs
9 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for AC Air Duct Cleaning
AC Air Duct Cleaning
5.0(
29
)
Air Ducts & Vents - Clean

Serving Setauket, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"The assigned technician, John, was on-time, knowledgeable, provided suggestions, and thorough. Oftentimes, people don’t realize how important this service is. If I were you, I would book AC Air Duct cleaning!"
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+29

Response time7 hrs
Response rate100%
10 neighbors recently requested a quote
Avatar for N. H. Ross, Inc.
N. H. Ross, Inc.
4.7(
191
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallDuctless Mini-split A/C - Install or Replace+2 more

Serving Setauket, NY and surrounding areas

Approved

Super Service Award Winner

In business since 1976

Warranties offered

Small jobs welcome

"The AC was installed in 2021 replacing an existing AC. It worked well for two seasons but I n the beginning of this season 2024, I had problems. Although the technicians that came were nice, they did nothing to fix the problem until Christian who worked tirelessly. In the future I will only ask for him. The reason for the rating is because their customer service is very good, however, I went nearly the entire summer with an AC that was malfunctioning because the first two techs could not find any problem. Also, I find their repairs costly. An example is that I paid to be in a program where they inspect electrical plumbing and hvac. No recommendation was less than $500. In fact my son used them to replace two hoses in the kitchen. Starting price for anything seems to be $500 even if they are there for 30 minutes. The choice is yours. very good customers service, nice but mediocre techs (except for Christian) and costly repairs."
Bathroom Makeover
Bosch Combination Boiler
Gas Conversion
Rinnai Gas Combi Boiler
Old conventional gas boiler

+2

Response time30 mins
8 neighbors recently requested a quote
Recommended by89%of homeowners
Absolute Zero Air Conditioning & Heating
4.8(
100
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Install - For Business+1 more

Serving Setauket, NY and surrounding areas

Approved

In business since 2009

Free estimates

Credit card accepted

"I highly recommend Absolute Zero. Kyle didnâ t try to sell me upgraded equipment, he sold me what works sufficiently and what he would install in his house. I got a few quotes for the central AC and his price was the lowest. Installed in the attic that will be renovated into a room, he worked with me and planned and installed the air handler unit and all the ductwork where heâ d leave the center of the room open and did a great, clean job. He said the AHU upstairs and condenser unit outside would be quiet, I was shocked at how quiet everything was. He protected furniture and floors while they worked and left the house clean and tidy after leaving. Iâ m extremely pleased with the work and have already referred him to others."
Response time7 hrs
5 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Comfort Ductwork Systems, Inc.
Comfort Ductwork Systems, Inc.
4.9(
73
)
Ductless Mini-split A/C - Install or ReplaceCentral A/C - InstallHeat Pump - Install or Replace+1 more

Serving Setauket, NY and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Jonathan Moya is the owner of the company. My wife and i decided to finish our basement as an extended living space. We asked for three estimates for ac and heating, and mini split systems were recommended. Jonathan Moya and comfort duct systems, was the only company that explained the deficiencies in such a system as compared to central ac and heating. He explained the pros and cons of each system- In fact, the mini split would have cost us more money! My overall experience has been nothing but positive. I found Jonathan to be honest, knowledgeable, and extremely proficient and reasonable. I was confident from the moment that I met him, and after he completed the installation of my central AC unit for a 2000 square foot basement, it confirmed my initial instincts- Jonathan is simply the best at what he does. Please believe me, because I have worked with countless HVAC so called professionals over the years, and not one of them has impressed me the way Jonathan and his company has- I will never hire another HVAC company again- these are the guys you want in your home. I give Jonathan Moya and his crew my highest recommendation. You will not be disappointed! Sam M. From Oyster Bay , NY"
Condensing Boiler & Indirect Hot Water Heater
Central HVAC
Oil Fired Boiler & Indirect Hot Water Heater
New Install
Thermostat Control

+2

Response time11 hrs
Response rate86%
14 neighbors recently requested a quote
Chortani Services HVAC
4.6(
193
)
Central A/C - Service or RepairElectric Boiler or Radiator Heating System - RepairElectric Boiler or Radiator Heating System - Repair - For Business+3 more

Serving Setauket, NY and surrounding areas

Approved

In business since 1992

Offers commercial services

Customers say: Quick response

"Mr Chortani is a real professional. He is reliable, honest and knows what he is doing. I spent two days with him while he replaced my boiler. He thinks first then does what must be done without making any mistakes. He does not waste time or material. He did exactly what he told me he would do. All contractors should be like Mr Chortani. If you need "The Best" go with Chortani Services HVAC. Thank you Mr Chortani!"
Response time4 hrs
Response rate100%
Recommended by97%of homeowners
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Showing 1-10 of 665
Heating and Air Conditioning questions, answered by experts

If you’re trying to buy a new AC unit, there are a few crucial factors to consider. Look at the cooling capacity, the available warranty, the energy efficiency, and the type of unit. A ductless unit will cost more up front but may be a more viable option if you don’t already have ductwork. Additionally, a unit with better energy efficiency will cost less to run overall, saving you money on your monthly energy bill. 

No, not all HVAC systems have a fresh air intake, but there are many advantages to having one. For example, a fresh air intake can boost the air quality inside your home and help your furnace run more effectively. Plus, it can make your house more energy efficient, possibly saving you money on your utility costs.

It’s critical to use the right size AC for your space and not go too small or too big. If you purchase an undersized unit, it won’t properly cool your house, and it has to work harder to reach the optimal temperature. This will eventually wear your unit out. An oversized unit can spell trouble because it will turn off and on more frequently, which also wears out your AC unit. An oversized unit also causes humidity in the home.

Most units are designed only to cool the house down to 20 degrees less than the temperature outside. This means that if it’s 99 degrees Fahrenheit out and you’re trying to cool your home down to 65 degrees, you’ll notice your AC is struggling. 

Lower the blinds on all your windows, turn on your ceiling fans, and keep the thermostat at a consistent temperature to help your AC do its job. Investing in an HVAC maintenance plan also helps because pros will come out to inspect and tune up your unit regularly, keeping it in optimal working condition.

Replacing an HVAC system does not always include new ductwork. The decision depends on the condition of your existing ducts. If they are in good shape, correctly sized for the new unit, and meet current standards, they can often be reused. However, if the ducts are damaged, poorly designed, or improperly sized, they will likely need to be replaced or upgraded to ensure the new system operates efficiently. An HVAC contractor will assess your ductwork and recommend the best course of action. Typically, ductwork is purchased separately, and a full replacement will add to the overall project cost.

The Setauket, NY homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.