O'Neill Contracting HVAC

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About O'Neill Contracting HVAC
O'Neill Contracting HVAC operates from Bergenfield, New Jersey, delivering heating and cooling solutions to homeowners across the region. The company has earned a 4.9-star rating from 444 reviews, reflecting consistent quality and customer satisfaction. Serving Bergenfield and surrounding communities, the contractor focuses on residential HVAC systems, including air conditioning and heating equipment replacement and maintenance.
This contractor distinguishes itself through transparent pricing and genuine customer focus. Unlike competitors who provide inflated estimates, O'Neill Contracting presents cost-conscious options that align with homeowner budgets. The team handles complex installations involving multiple systems, such as dual-zone AC and furnace configurations, demonstrating technical versatility. Technicians take care to protect homeowners' properties during installations and ensure all systems function optimally before completing the job.
Homeowners frequently mentionspecific technicians who delivered exceptional service. Ernie, Vince, and Yighit have all earned recognition for their professionalism and skill. Drew Miller credited Ernie with guiding him through a second-zone AC and furnace installation, noting the team arrived on time and worked efficiently while treating the home with care. Jim M described the technicians as hard working and courteous during a replacement of a 20-year-old central air system and a 50-year-old gas boiler. Another reviewer told of a same-day thermostat repair during a heat wave, with the technician handling a complex system involving two gas furnaces and two AC compressors.
What Customers Say
All five-star reviews praise the company's honest estimates and competitive pricing, with multiple homeowners noting O'Neill's quotes were within budget while competitors' estimates were overpriced. Five reviewers specifically mention technicians by name, Ernie, Vince, or Yighit, highlighting personalized service. No negative reviews appear in the available feedback.
Working Hours
| Sunday | Closed |
| MondayToday | 8 AM–4:30 PM |
| Tuesday | 8 AM–4:30 PM |
| Wednesday | 8 AM–4:30 PM |
| Thursday | 8 AM–4:30 PM |
| Friday | 8 AM–4:30 PM |
| Saturday | Closed |
Services
AC & Furnace Replacement
Complete system replacement for aging or failed cooling and heating equipment, including new unit installation.
HVAC Maintenance & Servicing
Regular maintenance for furnaces and air conditioning systems, including tune-ups and diagnostics.
Thermostat Repair & Installation
Thermostat diagnostics, repair, and connection services for new or existing smart thermostats.
Dual-System Configuration
Installation and service for homes with multiple HVAC units, such as dual-zone or multi-zone systems.
System Diagnostics
Professional assessment of HVAC system issues to determine repair or replacement recommendations.