Yes. K2 Cooling & Heating serves Hicksville from our shop at 60 S 2nd St, Unit V in Deer Park, 10.3 miles west of Deer Park. We repair and install central air, furnaces, boilers, heat pumps and ductless mini-splits. We answer 24/7 and give you an arrival window when you call.
Reliable Heating & Air Conditioning for Hicksville Homes
Dense residential development and extensive commercial asphalt corridors in Hicksville amplify the local heat island effect, causing nighttime temperatures to remain raised. Air conditioning systems run extended hours without cooling recovery periods. High runtime strains dual-run capacitors, contactors, and compressor windings, necessitating seasonal preventative tune-ups.

Five Core HVAC Services in Hicksville, NY
K2 provides Nassau County homeowners in Hicksville with complete HVAC support, including whisper-quiet AC replacements, gas heating service, high-efficiency boilers, and cold-climate heat pumps.
For rooms the central system does not reach, such as attics, additions and finished basements, we also handle ductless mini-split installation in Hicksville.
Our Long Island guides to AC repair, furnace repair on Long Island and boiler repair on Long Island cover what fails and what it costs.
1. Air Conditioning Diagnostics & 24/7 Emergency AC Repair
Rapid troubleshooting of central air conditioning systems in Hicksville, repairing bad capacitors, failed contactors, frozen coils, and blocked drain lines.
2. High-Efficiency Central Air Conditioning Installation
Ultra-quiet side-discharge central AC and inverter heat pump installations meeting Town of Oyster Bay lot setback and decibel restrictions.
3. Gas & Oil Furnace Repair & Seasonal Heating Tune-Ups
24/7 emergency gas and oil furnace repairs, solving electronic ignition lockouts, dirty flame rods, blower motor failures, and flue drafting problems.
4. Hydronic Boiler Repair, Steam Systems & Combi-Boiler Upgrades
Expert hydronic heating repair and replacement for residential gas and oil boilers, circulators, zone valves, and compact combi-boilers.
5. Cold-Climate Heat Pumps & Ductless Mini-Splits
Whole-home cold-climate heat pump conversions that replace costly heating fuels with whisper-quiet, efficient zoned electric heating and cooling.
A qualifying cold-climate heat pump may earn a PSEG Long Island rebate. Read how rebates are claimed.
Ductless Mini-Split Installation in Hicksville
Hicksville capes and ranches sit on compact lots with narrow side yards, so the outdoor unit often ends up close to a property line or a neighbor’s bedroom window. Mini-split outdoor units are compact and among the quietest condensers available, which makes them a good fit here. We plan the outdoor location with you before the estimate, keep line sets short and neat, and choose wall brackets where yard space is tight. Expanded cape dormers are one of the most common rooms we condition in Hicksville.
Ductless mini-split installation: zones, costs and how it works →Housing Stock & HVAC Constraints in Hicksville
Hicksville's housing stock consists of mid-century Cape Cods, ranches, and expanded split levels developed in the late 1940s and 1950s on compact suburban lots (typically 50x100 to 60x100 feet). Narrow side yards place outdoor condensing units in close proximity to property boundary lines and adjacent bedrooms. Strict Town of Oyster Bay noise ordinances require ultra-quiet equipment. We install compact, side-discharge variable-speed inverter heat pumps that operate at whisper-quiet sound levels below 55 dBA, satisfying town codes and neighborhood peace.
Utility Coverage & PSEG Clean Heat Rebates in Hicksville
Hicksville homes receive electricity from PSEG Long Island and natural gas from National Grid. Homeowners moving off oil often ask about PSEG Long Island's Clean Heat rebates for qualifying cold-climate heat pumps. Call (631) 414-7141 for a heat pump assessment.
K2 does not file rebate applications. How rebates work
Local Presence in Hicksville, NY
Centering around the major transit junction of the Hicksville LIRR station and the Broadway commercial corridor, K2 provides dependable HVAC service throughout the hamlet. We routinely work in residential neighborhoods near Cantiague Park, off Old Country Road, and surrounding Hicksville High School on Division Avenue. Nassau County homeowners rely on our transparent flat-rate pricing and licensed technical expertise.
Permits & Building Regulations in Town of Oyster Bay
Mechanical permits are governed by the Town of Oyster Bay Department of Planning and Development (74 Audrey Avenue, Oyster Bay, NY 11771).
The Town of Oyster Bay strictly enforces mechanical permit requirements for outdoor condensing units, heat pump conversions, and furnace installations. Outdoor units must comply with town zoning property-line setbacks and noise regulations, which K2 certifies on all submissions. Permits are filed with the Town of Oyster Bay Department of Planning and Development; K2 does not file town permits, so confirm the requirements with the building department before your installation is scheduled.
Recent Work Near Hicksville
The closest recent job on this site is in Farmingdale, completed . The photos, the problem and the fix are on the Farmingdale page.
Nearby Areas We Serve
K2 also serves the towns around Hicksville. Our closest local pages:
- HVAC repair in Jericho, NY
- HVAC repair in Bethpage, NY
- HVAC repair in Levittown, NY
- HVAC repair in Plainview, NY
- HVAC repair in Old Bethpage, NY
- HVAC repair in Brookville, NY
See every town we cover on the Nassau County service area page.
Frequently Asked Questions in Hicksville, NY
How fast can an HVAC technician reach my home in Hicksville?
Technicians arrive in Hicksville from our Deer Park dispatch facility via the Long Island Expressway or Northern State Parkway West. We provide around-the-clock emergency diagnostics for air conditioning breakdowns, gas furnace failures, and hydronic boiler outages. Call (631) 414-7141.
What compact heating systems fit tight utility closets in Hicksville ranches?
Many 1950s Hicksville ranches have compact utility rooms where bulky cast-iron boilers consume valuable storage. We install high-efficiency wall-hung condensing combi-boilers that supply whole-home hydronic heating and continuous domestic hot water from a single compact cabinet, freeing up floor space and cutting gas usage. Call (631) 414-7141.
Do Hicksville residents require Town of Oyster Bay HVAC permits?
Yes, the Town of Oyster Bay Department of Planning and Development requires mechanical and electrical permits for central air conditioning, heat pump, and heating changeouts. Permits are filed with the Town of Oyster Bay Department of Planning and Development. K2 does not file town permits.
How do PSEG Clean Heat rebates work for Hicksville homeowners?
Hicksville homeowners installing qualifying cold-climate heat pumps may be eligible for PSEG Long Island Clean Heat rebates, which are set and paid by the utility. Call (631) 414-7141 for a heat pump assessment.