Comfort You Can Trust.

Comfort You Can Trust.

Long Island's premier heating and cooling experts.

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All prices are estimates only and not binding. Final pricing may vary based on many factors such as but not limited to, site conditions, permits, code requirements, electrical or gas upgrades and equipment selection.
Our Promise

Why Choose K2

Special Offers

Limited Time Savings

LIMITED TIME

$250 off new Installation

New customers get $250 off on new installations.

NEW250

Valid until: 2026-12-31

LIMITED TIME

Refer a friend, get $50 off on your next service

Refer a friend and get a $50 off on your next service at K2.

REFER2026

Valid until: 2026-12-31

24/7 Emergency Service

Our technicians are standing by to help restore your comfort.

15-Mile Fast Dispatch Radius

Areas We Serve

Dispatched 24/7 directly from our central headquarters at 60 S 2nd St, Deer Park, NY. We proudly serve every community within a 15-mile radius across Suffolk and Nassau counties.

Deer ParkSuffolkHQWyandanchSuffolk2miWheatley HeightsSuffolk2.1miNorth BabylonSuffolk2.2miDix HillsSuffolk2.3miWest BabylonSuffolk3.4miBrightwatersSuffolk4.1miWest IslipSuffolk4.1miBabylonSuffolk4.6miBrentwoodSuffolk4.6miMelvilleSuffolk5miBay ShoreSuffolk5.1miElwoodSuffolk5.2miLindenhurstSuffolk5.7miCommackSuffolk5.9miFarmingdaleNassau6.4miIslipSuffolk6.5miOld BethpageNassau6.6miCopiagueSuffolk6.8miGreenlawnSuffolk7miCentral IslipSuffolk7.1miSouth FarmingdaleNassau7.1miHuntington StationSuffolk7.2miIslip TerraceSuffolk7.3miPlainviewNassau7.3miAmityvilleSuffolk7.4miEast NorthportSuffolk7.8miHauppaugeSuffolk7.9miEast IslipSuffolk8miBethpageNassau8.1miPlainedgeNassau8.3miWoodburyNassau8.4miIslandiaSuffolk8.6miMassapequa ParkNassau8.6miHuntingtonSuffolk8.9miCenterportSuffolk9miGreat RiverSuffolk9.4miSmithtownSuffolk9.4miKings ParkSuffolk9.4miMassapequaNassau9.4miCold Spring HarborSuffolk9.7miNorthportSuffolk9.8miOakdaleSuffolk9.8miVillage of the BranchSuffolk9.8miSyossetNassau10miLevittownNassau10miRonkonkomaSuffolk10.2miHicksvilleNassau10.3miSeafordNassau10.4miHuntington BaySuffolk10.5miBohemiaSuffolk10.7miNesconsetSuffolk11miJerichoNassau11.1miWantaghNassau11.2miAsharokenSuffolk11.4miNorth BellmoreNassau11.5miMuttontownNassau11.9miLloyd HarborSuffolk12miWest SayvilleSuffolk12miSt. JamesSuffolk12.1miLake RonkonkomaSuffolk12.2miEast NorwichNassau12.2miBellmoreNassau12.2miNissequogueSuffolk12.4miEast MeadowNassau12.5miSalisburyNassau12.6miNorth MerrickNassau12.7miOyster BayNassau12.8miEatons NeckSuffolk13miSayvilleSuffolk13.1miHead of the HarborSuffolk13.1miBrookvilleNassau13.2miMerrickNassau13.5miWestburyNassau13.5miHolbrookSuffolk13.6miUpper BrookvilleNassau13.7miBayportSuffolk14.5miCarle PlaceNassau14.8mi
What Our Clients Say

Testimonials

"Prompt attention to my AC needs. Extremely professional, explained the problem, and solved it quickly at a very affordable price. Highly recommend K2 Heating & Air Conditioning!"

S

Steven Mercado

Verified Homeowner
Google ↗

"Called K2 for emergency service of no heat at our house. They scheduled the service right away. The technician was knowledgeable and quick. He fixed the heat in no time. Very happy with the service. We will definitely recommend K2 to our family and friends."

S

Syed Ali

Verified Homeowner
Google ↗

"K2 responded to our emergency heating call when our system shut down. Diagnosed the issue quickly, replaced the faulty component from truck stock, and had warmth restored within an hour. Honest, prompt, and highly professional HVAC team!"

R

Robert M.

Verified Homeowner
Google ↗

"We recently had AC service from K2 and the service was outstanding! The technician troubleshooted well, was patient and gave great recommendations. He was extremely knowledgeable and I would highly recommend them! We will be using their services again!"

K

Kathleen Dory

Verified Homeowner
Google ↗

"I highly recommend them and I think Abid is a very nice man that can be trusted. I’m in medicine and talk to a lot of people in distress so I can really tell when someone is good at it and Abid and his staff are. Don’t hesitate to call them."

P

Paul Gregory

Verified Homeowner
Google ↗

"We just moved into our home in January and wanted to make sure our system was working properly reached out to K2 sweetest person that set up the appointment. The owner came with the maintenance individual and they were awesome. They checked out the unit they were 100% honest I knew it was in good condition."

M

Michelle Abreu

Verified Homeowner
Google ↗

"Prompt attention to my AC needs. Extremely professional, explained the problem, and solved it quickly at a very affordable price. Highly recommend K2 Heating & Air Conditioning!"

S

Steven Mercado

Verified Homeowner
Google ↗

"Called K2 for emergency service of no heat at our house. They scheduled the service right away. The technician was knowledgeable and quick. He fixed the heat in no time. Very happy with the service. We will definitely recommend K2 to our family and friends."

S

Syed Ali

Verified Homeowner
Google ↗

"K2 responded to our emergency heating call when our system shut down. Diagnosed the issue quickly, replaced the faulty component from truck stock, and had warmth restored within an hour. Honest, prompt, and highly professional HVAC team!"

R

Robert M.

Verified Homeowner
Google ↗

"We recently had AC service from K2 and the service was outstanding! The technician troubleshooted well, was patient and gave great recommendations. He was extremely knowledgeable and I would highly recommend them! We will be using their services again!"

K

Kathleen Dory

Verified Homeowner
Google ↗

"I highly recommend them and I think Abid is a very nice man that can be trusted. I’m in medicine and talk to a lot of people in distress so I can really tell when someone is good at it and Abid and his staff are. Don’t hesitate to call them."

P

Paul Gregory

Verified Homeowner
Google ↗

"We just moved into our home in January and wanted to make sure our system was working properly reached out to K2 sweetest person that set up the appointment. The owner came with the maintenance individual and they were awesome. They checked out the unit they were 100% honest I knew it was in good condition."

M

Michelle Abreu

Verified Homeowner
Google ↗

"Prompt attention to my AC needs. Extremely professional, explained the problem, and solved it quickly at a very affordable price. Highly recommend K2 Heating & Air Conditioning!"

S

Steven Mercado

Verified Homeowner
Google ↗

"Called K2 for emergency service of no heat at our house. They scheduled the service right away. The technician was knowledgeable and quick. He fixed the heat in no time. Very happy with the service. We will definitely recommend K2 to our family and friends."

S

Syed Ali

Verified Homeowner
Google ↗

"K2 responded to our emergency heating call when our system shut down. Diagnosed the issue quickly, replaced the faulty component from truck stock, and had warmth restored within an hour. Honest, prompt, and highly professional HVAC team!"

R

Robert M.

Verified Homeowner
Google ↗

"We recently had AC service from K2 and the service was outstanding! The technician troubleshooted well, was patient and gave great recommendations. He was extremely knowledgeable and I would highly recommend them! We will be using their services again!"

K

Kathleen Dory

Verified Homeowner
Google ↗

"I highly recommend them and I think Abid is a very nice man that can be trusted. I’m in medicine and talk to a lot of people in distress so I can really tell when someone is good at it and Abid and his staff are. Don’t hesitate to call them."

P

Paul Gregory

Verified Homeowner
Google ↗

"We just moved into our home in January and wanted to make sure our system was working properly reached out to K2 sweetest person that set up the appointment. The owner came with the maintenance individual and they were awesome. They checked out the unit they were 100% honest I knew it was in good condition."

M

Michelle Abreu

Verified Homeowner
Google ↗
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