Dunellen, NJ HVAC Contractor | 24/7 Emergency Service
Heating Cooling NJ is a licensed and insured New Jersey HVAC contractor serving Dunellen and the rest of Middlesex County around the clock. From emergency furnace repair at 2 a.m. to a scheduled central air replacement, our technicians arrive in fully stocked trucks, diagnose the real problem and give you a written flat-rate price before touching a tool. We are based in Wanaque and dispatch to Dunellen from our Central Jersey service team.
Heating & Cooling Services in Dunellen
Heating Cooling NJ offers the full range of residential and light commercial HVAC services in Dunellen: 24/7 emergency repair, air conditioning repair and installation, furnace repair and replacement, boiler service, heat pump and ductless installation, maintenance plans, thermostat upgrades, duct repair and indoor air quality systems. Each service is backed by flat-rate pricing, a parts and labor warranty and technicians who treat your home with respect.
Our full menu for Dunellen includes emergency hvac repair, ac repair, ac installation & replacement, ac maintenance & tune-ups, furnace repair, furnace installation & replacement, heating repair, heating maintenance & tune-ups, boiler repair, boiler installation & replacement and more. Every service is available with 24/7 emergency response and free estimates on new equipment.
24/7 Emergency HVAC Repair in Dunellen, NJ
An HVAC emergency in Dunellen can mean frozen pipes, an unsafe furnace or a dangerously hot home. We keep technicians on call every night and every weekend to cover Dunellen and the surrounding Middlesex County towns. When you call, we ask a few questions about the system and symptoms so we arrive prepared, then diagnose, quote and repair in one visit whenever the part is on the truck. Same flat rates after hours, always.
Air Conditioning Repair & Installation in Dunellen
Summers in Dunellen bring weeks of 90-degree days and heavy humidity, and an air conditioner that cannot keep up makes the whole house miserable. We repair central air conditioners, heat pumps and ductless systems of every brand, from failed capacitors and contactors to refrigerant leaks, frozen coils, clogged drains and bad fan motors. When a system is past saving, we install properly sized high-efficiency replacements with free estimates, financing and help with New Jersey Clean Energy Program rebates.
Furnace, Boiler & Heat Pump Service in Dunellen
Heating is where our technicians really earn their reputation in Dunellen. We repair gas, propane and oil furnaces, steam and hot water boilers, cold-climate heat pumps and ductless heating systems, and we install new high-efficiency equipment sized to your home. Every heating repair includes a carbon monoxide test and a heat exchanger or combustion chamber inspection, because safety comes before everything else.
Serving Dunellen and Middlesex County
Dunellen is a borough in Middlesex County, and like most New Jersey boroughs it combines older homes near the center of town with later subdivisions on the edges, which means our technicians see everything from original boilers to builder-grade split systems installed in the last decade.
Middlesex County has everything from Edison and Woodbridge subdivisions to Rutgers-area rentals in New Brunswick and newer developments in South Brunswick and Monroe. Builder-grade split systems installed in the 1990s and 2000s are now reaching the end of their life across the county.
Dunellen is about an hour from our Wanaque office, and we keep technicians positioned across Central Jersey so arrival times stay reasonable even during peak season. See our Middlesex County HVAC page for every town we cover nearby.
Common HVAC Problems We Fix in Dunellen
- Water leaking from the air handler or condensate line
- Ductless mini-split dripping or showing an error code
- Carbon monoxide alarm or burning smell near the furnace
- Rising gas or electric bills with no change in usage
- Humid, clammy air even with the AC running
- Pilot or igniter failing to light
- System running constantly without reaching the setpoint
- Air conditioner blowing warm air or freezing over
Map: HVAC Service Area in Dunellen, NJ
Why Dunellen Homeowners Choose Heating Cooling NJ
- 24/7 emergency dispatch to Dunellen
- Licensed, insured and EPA-certified
- Upfront flat-rate pricing, no surprises
- Most repairs completed on the first visit
- Honest repair-or-replace advice
- Free estimates and financing on new equipment
- Maintenance plans with priority service
- Respect for your home: shoe covers, drop cloths, clean-up
HVAC Help in Dunellen, 24 Hours a Day
Licensed technicians available 24/7 across New Jersey. Flat-rate pricing, no after-hours fees.
How to Schedule Service in Dunellen
Call 862-278-1141 any time or use the form on this page to request service in Dunellen. For emergencies we dispatch immediately; for repairs, estimates and tune-ups we offer convenient appointment windows including evenings and Saturdays. Free estimates are provided on all new equipment, and we will confirm your appointment by phone.
Dunellen HVAC FAQs
Do you repair boilers in Dunellen?
Yes. We repair and replace steam and hot water boilers, including gas, propane and oil-fired units, with 24/7 emergency service.
Do you offer 24/7 emergency HVAC service in Dunellen?
Yes. Heating Cooling NJ provides 24-hour emergency heating and air conditioning repair in Dunellen every day of the year, with no after-hours surcharge.
Do you service commercial properties in Dunellen?
Yes. We repair, install and maintain rooftop units, split systems, boilers and ductless systems for businesses and multi-family buildings in Dunellen.
Are your technicians licensed and insured?
Yes. Heating Cooling NJ is a licensed and insured New Jersey HVAC contractor, and our technicians are EPA-certified and background-checked.
Do you offer maintenance plans in Dunellen?
Yes. Our maintenance plan includes spring and fall tune-ups, priority scheduling, repair discounts and no overtime charges for Dunellen homeowners.
Nearby Towns We Serve in Middlesex County
Explore all of our HVAC services, read our heating and cooling tips, or contact us for a free estimate in Dunellen, NJ.