Cooling01
Air Conditioning
Repair, central air installation, ductless mini-splits, refrigerant service, smart thermostats.
24/7 Emergency Service · Bergen County
Your home.
Cool in July.
Warm in January.
O'Neill Contracting has installed and serviced heating and cooling systems across Bergenfield for over two decades. Licensed, insured, and answering the phone when your system quits.
0+ Years in Bergen Co.
NJLicensed & Insured
24/7Emergency Line
Real O'Neill installs
Bergen County comfort systems
Services
Everything between the thermostat and comfortable.
Repair, replacement, and maintenance for residential and light commercial systems across Bergen County.
Heating02
Heating
Furnaces, boilers, heat pumps. Repair and full replacement with honest sizing, not upselling.
Air Quality03
Indoor Air Quality
Whole-home humidifiers, air purification, duct sealing and cleaning.
Tune-ups04
Maintenance
Seasonal tune-ups that catch the $80 problem before it becomes the $3,000 one.
The Comfort Plan
Two tune-ups a year. Priority service. No overtime fees.
Spring AC tune-up, fall heating tune-up, 15% off repairs, and front-of-line scheduling when everyone else's system dies in the same heat wave.
- Spring AC tune-up
- Fall heating tune-up
- Priority scheduling
- 15% off repairs
Membership
$189
/yr
Join the Plan
How it works
A cleaner service experience from call to comfort.
Call or request
A human answers at (201) 385-6727. Emergencies are routed first.
Diagnose clearly
A local technician inspects the system and explains the best fix in plain English.
Quote upfront
You get a written quote before work starts. The price quoted is the price paid.
Restore comfort
Repairs, installations, and tune-ups are completed with clean, licensed workmanship.
Why O'Neill
The contractor your neighbors already use.
A local Bergen County crew with the responsiveness of a modern service company and the accountability of a family business.
A human answers
Call (201) 385-6727 and talk to a person, not a phone tree. Emergencies get a tech dispatched immediately.
Upfront pricing
Written quote before any work starts. The price we quote is the price you pay.
Local crew
Our techs live in Bergen County. Same faces, year after year, who know these old Bergenfield homes.
Licensed & insured
Fully licensed NJ HVAC contractor. Permits pulled properly on every installation.
Products
Trusted systems. Installed by people who know them.
O'Neill proudly works with leading comfort and air quality brands.
LuxaireRuudRheemAprilaireComfortmakerFujitsu
Customer story
From no heat or AC to year-round comfort.
My experience with O'Neill was an outstanding one — they were incredibly knowledgeable and professional, and they worked hard and efficiently. I cannot recommend them enough.— Matt G
FAQ
Clear answers before the visit.
Do you handle emergencies?
Yes. O'Neill has a 24/7 emergency line for no heat, no AC, and urgent HVAC failures.
Do I get a quote before work starts?
Yes. You receive upfront pricing and approve the work before the repair or installation begins.
Where are you located?
O'Neill Heating & Cooling is located at 232 N Washington Ave, Bergenfield NJ 07621 and services Bergen County.
What is included in the Comfort Plan?
The Comfort Plan includes spring AC tune-up, fall heating tune-up, 15% off repairs, priority service, and no overtime fees.
Ready when your system quits
Need heating or cooling help today?
Call the Bergenfield crew your neighbors already use, or request a free estimate and get a fast callback.