O'Neill Contracting has proudly served Bergen County and surrounding areas for over 30 years. As a family-owned and operated business, we take pride in building strong relationships with our customers and delivering exceptional service. Our mission is to provide reliable, efficient, and affordable solutions to all your heating, ventilation, and air conditioning (HVAC) needs.
Who We Are
Our team of experienced professionals brings an average tenure of over 10 years to O'Neill Contracting. We are committed to continuous learning and upholding the highest industry standards. Our technicians are certified and fully insured, ensuring your peace of mind.
Our Expertise
We offer a comprehensive range of services to meet all your HVAC needs, including:
Maintenance
- Preventative maintenance agreements ensure the optimal performance and efficiency of your systems.
- Routine inspections and tune-ups can extend the lifespan of your equipment and reduce energy costs.
Repair
- Our skilled technicians can diagnose and repair all makes and models of HVAC equipment.
- We offer fair and honest pricing, with no hidden fees or charges.
Installation
- We install new heating and cooling systems from leading manufacturers.
- Our experienced technicians will work with you to choose the best system for your home and budget.
Products and Services
We are proud to partner with reputable manufacturers to offer our customers a wide range of high-quality products and services, including:
- Air Conditioning
- Heating
- Air Quality Solutions
- Financing options
- Certificate and licensing services
Our Commitment
At O'Neill Contracting, we are committed to:
- Providing personalized and responsive customer service
- Completing projects on time and within budget
- Offering competitive rates and honest pricing
- Maintaining open communication and clear project updates
Join us in creating a comfortable and energy-efficient home environment for you and your family!

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