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Nassau County • within 15 miles of Deer Park

HVAC Service in Eastern Nassau County

K2 Cooling & Heating serves the eastern edge of Nassau County, the part within 15 miles of our Deer Park shop, mainly in the Town of Oyster Bay plus Levittown and the Bellmore and Wantagh area. We repair and install central air, furnaces, boilers, heat pumps and ductless mini-splits, with 24/7 emergency service.

Town Pages in Nassau County

Each town page covers the housing, common HVAC problems, drive time from our Deer Park shop and the building department for that town. Towns are listed nearest first.

HVAC Service in Farmingdale

The closest Nassau town to our shop, about a straight run west on Route 109 or Conklin Street. Farmingdale mixes 1920s village homes with compact oil-fired hot-water systems, post-war ranches with shallow attics, and commercial buildings along the Route 110 corridor. Wall-hung combi boilers, oil-to-gas conversions and ductless cooling for homes without ducts are the jobs we do most here.

About 8 miles from our shop

HVAC Service in Plainview

Plainview is largely 1950s and 60s splits, ranches and expanded capes, many with original ductwork running through crawlspaces and attics that was sized for much smaller cooling loads. We see a lot of short-cycling, undersized returns and second-floor additions the central system was never designed for, and we often pair a right-sized central replacement with a ductless head for the room the ducts cannot reach.

About 9 miles from our shop

HVAC Service in Bethpage

Bethpage homes are mostly post-war capes and ranches on modest lots, along with larger homes near the state park. Original hot-water baseboard and older gas furnaces are common, and many capes have expanded dormers that bake in summer. Boiler and furnace repair, replacements sized with a proper load calculation, and mini-splits for the upstairs are typical Bethpage work.

About 10 miles from our shop

HVAC Service in Massapequa Park

The Village of Massapequa Park is a grid of capes, ranches and high ranches south of Sunrise Highway, with homes closer to the water dealing with salt air and high water tables. We place outdoor units on stands above typical flood and snow levels, service the gas furnaces and boilers common in the village, and add ductless systems to high-ranch upper floors.

About 10 miles from our shop

HVAC Service in Massapequa

From post-war ranches inland to waterfront homes along the South Oyster Bay canals, Massapequa equipment fights salt air and storm surge. Elevated condenser stands, coated coils, boiler service and replacements sized for both humid summers and cold, damp winters are the core of our work here.

About 11 miles from our shop

HVAC Service in Syosset

Near the northwest edge of our radius, Syosset has larger colonials and split-levels, many with two-zone systems and finished basements. Zoning problems, aging second-floor air handlers in attics, high-efficiency furnace replacements and humidity control for basements are the issues homeowners call us about most.

About 12 miles from our shop

HVAC Service in Levittown

The original slab-on-grade Levitt capes and ranches were built with radiant heat in the floor and no ductwork. Failing radiant loops, boiler replacements and ductless mini-splits to replace window units and cool expanded upstairs rooms are the jobs that define Levittown.

About 12 miles from our shop

HVAC Service in Hicksville

Capes and ranches on 60-by-100 lots with narrow side yards, where quiet, compact outdoor units and careful placement near property lines matter. Furnace and boiler repair, central air replacements and dormer mini-splits are common.

About 12 miles from our shop

We also serve Old Bethpage, South Farmingdale, Plainedge, Woodbury, Seaford, Jericho, Wantagh, North Bellmore, Muttontown, East Norwich, Bellmore, East Meadow, Salisbury, North Merrick, Oyster Bay, Brookville and Upper Brookville.

Our 15-Mile Service Radius

Our service area is a 15-mile radius around our shop at 60 S 2nd St, Unit V in Deer Park. Because Deer Park sits close to the county line, that radius reaches well into eastern Nassau: Farmingdale and Old Bethpage are only about six or seven miles away, Plainview, Bethpage and Massapequa Park eight or nine, and Syosset, Levittown, Hicksville and Seaford around ten. The western edge of the radius runs roughly through Jericho, Wantagh, Bellmore, East Meadow and North Merrick.

We keep to that radius so the technicians who answer your call are close enough to return quickly for follow-up work and parts, and so the same people learn the local building departments and housing. Communities further west, such as Garden City, Westbury, Merrick, Hempstead, Freeport and anything in Queens or the rest of New York City, are outside our service area.

Eastern Nassau housing is largely post-war: the original Levitt capes and ranches built on slabs with radiant heat, the capes and ranches of Hicksville, Bethpage and Plainview, and the high ranches and splits of the Massapequas and Seaford. Many of these homes were never designed for central air, which is why ductless mini-splits, careful duct redesign and properly sized replacements are such a large part of our Nassau work. Along the South Shore canals in Massapequa and Massapequa Park, salt air and flood-zone rules shape where outdoor equipment can go. North of the Long Island Expressway, the larger colonials and splits of Syosset, Woodbury and Jericho more often have two-zone systems, finished basements and attic air handlers that need balancing and humidity control.

Also see our Suffolk County service area and the full list of towns we serve.

K2 Cooling & Heating team serving Nassau County, NY
  • EPA Section 608 certified technicians
  • Load calculations before every replacement
  • 24/7 emergency heating and cooling service
  • Rheem KwikComfort financing, credit by Synchrony Bank

Services Across Nassau County

In every town on this page we provide AC repair, central air installation, furnace and boiler repair, heating installation, heat pumps, ductless mini-split installation, indoor air quality and maintenance plans.

Frequently Asked Questions: Nassau County

Which parts of Nassau County does K2 serve?

The eastern part of the county within 15 miles of our Deer Park shop: Farmingdale, Plainview, Bethpage, the Massapequas, Syosset, Levittown, Hicksville, Seaford, Wantagh, Jericho and nearby communities. Garden City, Westbury, Merrick, Hempstead, Freeport and areas further west are outside our service area.

How long does it take a K2 technician to reach eastern Nassau?

We answer 24/7 and give you an arrival window when you call.

Do I need a permit for HVAC work in the Town of Oyster Bay?

Most new heating and cooling installations need a permit, and incorporated villages such as Farmingdale and Massapequa Park have their own building departments separate from the Town of Oyster Bay. K2 does not file town permits, so confirm the requirements with the right building department before your installation is scheduled.

Can a ductless system cool an original Levittown or Bethpage cape?

Yes, and it is one of the most common ways to do it. These homes often have no ductwork or only short runs, and the expanded dormers upstairs overheat in summer. A multi-zone mini-split with a head in each upstairs room, or a single-zone unit for one problem space, adds cooling and efficient heat without building duct chases.

What financing is available for a new system in Nassau County?

Financing is available through Rheem KwikComfort, with credit provided by Synchrony Bank. You can apply online or during your estimate, and the terms available depend on the plan and your credit at the time you apply.