Long Island Service Area: Nassau County

Premier HVAC Services Across Nassau County, NY

Serving homeowners and commercial properties across Nassau County with precision cooling diagnostics, high-efficiency heat pump conversions, and emergency HVAC repairs from Farmingdale to Garden City.

Towns We Serve in Nassau County

Select your town below to view localized service details, building department permit guidance, customer testimonials, and same-day dispatch arrival times:

Farmingdale

Town of Oyster Bay / Village of Farmingdale • Zip: 11735

1940s-50s ranches, village colonials, and modern multi-story townhomes.

Emergency dispatch: 12 to 15 minutes west on Route 109.

Massapequa

Town of Oyster Bay • Zip: 11758

Waterfront split levels, canal-front ranches, and traditional South Shore two-story Colonials.

Emergency dispatch: 15 to 18 minutes via Sunrise Highway or Southern State.

Massapequa Park

Town of Oyster Bay / Village of Massapequa Park • Zip: 11762

Charming village Colonials, brick-front capes, and renovated ranches.

Emergency dispatch: 16 minutes via Sunrise Highway.

Levittown

Town of Hempstead • Zip: 11756

Iconic 1940s-50s Levitt Capes and Jubilee Ranches. Built with radiant concrete slab heating and no central ductwork, making ductless mini-splits the gold standard solution.

Emergency dispatch: 18 to 22 minutes west via Southern State Parkway or Hempstead Turnpike.

Hicksville

Town of Oyster Bay • Zip: 11801

Expanded capes, split-levels, and multi-generational residences requiring zoned climate control.

Emergency dispatch: 18 to 22 minutes via LIE or Northern State Parkway.

Plainview

Town of Oyster Bay • Zip: 11803

Large center-hall Colonials, expanded split levels, and ranches with dual-system central air.

Emergency dispatch: 15 to 18 minutes straight west on Northern State or LIE.

Syosset

Town of Oyster Bay • Zip: 11791

Luxury estate Colonials, sprawling custom contemporaries, and split levels requiring ultra-quiet, high-SEER2 inverter systems.

Emergency dispatch: 18 to 22 minutes via Long Island Expressway.

Garden City

Town of Hempstead / Village of Garden City • Zip: 11530

Historic brick Colonials, Tudors with slate roofs, and stately estates. Architectural preservation requires specialized mini-duct (Unico/SpacePak) or concealed ductless solutions.

Emergency dispatch: 25 to 30 minutes west via Northern State or Meadowbrook Parkway.

Licensed, Insured & Local Long Island HVAC Experts

Every K2 technician is EPA Section 608 certified and trained on the latest high-efficiency inverter heat pumps, variable-speed compressors, and communicating thermostats.

  • PSEG Long Island Clean Heat participating contractor
  • Town building permits filed and managed end-to-end
  • Upfront flat-rate pricing with zero surprise overtime fees
K2 Cooling and Heating HVAC team serving Nassau County, NY