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50+ Years
experience
Emergency
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Expert HVAC Services in Northern New Jersey
GRC Mechanical Services was established in 1948 as a refrigeration service organization. Today, we are a full-service HVAC/R mechanical contractor serving Northern New Jersey and Rockland County. Our company is owned and operated by two professional engineers who are cousins, Fred G. Russenberger, Jr., PE, and John P. Russenberger, PE. We have built a reputation for uncompromising quality, earning recognition as a 5-Time Winner of the Carrier Presidents Award, which honors dealers committed to operational excellence and cutting-edge technology. Our Service Department provides technical solutions that foster client confidence, while our Engineering Department specializes in design-build services, with 80% of our installation work coming from existing clients.

Our Installation Department utilizes duct fabrication, rigging, pipe fitting, plumbing, and control wiring capabilities to complete projects efficiently. We prioritize transparency, professionalism, and customer satisfaction, offering comprehensive solutions for residential and commercial HVAC needs. Our team includes NATE-certified technicians who are factory-trained to deliver expert installation, maintenance, and repair services. We provide 24/7 emergency service, with priority response for Breathe Easy Maintenance Plan members. With 75 years of community trust, we remain dedicated to innovation, reliability, and exceptional service.
Services
Air Conditioning Heating Repair Generator Services Wine Cellar Cooling Heat Pump Installation Indoor Air Quality Commercial HVAC Maintenance Plans Emergency Repairs Ductless Systems
Details
  • Year established: 1948
Highlights and features
  • Certified and factory-trained technicians with NATE certification
  • 24/7 emergency service with priority response for maintenance plan members
  • 75 years of trusted experience serving Northern New Jersey and Rockland County
  • Comprehensive Breathe Easy Maintenance Plan for system efficiency
  • 0% financing options and access to rebates up to $6,190
Associations and certifications
  • Carrier Presidents Award
  • North American Technician Excellence (NATE)
  • American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE)
  • Air Conditioning Contractors Of America (ACCA)
What people say
Prompt service Professional and neat Competitive pricing 24/7 emergency help Knowledgeable technicians
Services
Air Conditioning Installation
We provide expert air conditioning installation, repair, and maintenance to ensure efficient cooling for homes in Northern New Jersey. Our NATE-certified technicians deliver prompt service, including seasonal maintenance and emergency repairs. Customers benefit from rebates up to $6,190 and 0% financing options for system upgrades.
Generator Services
Our generator services include installation, maintenance, and repair of natural gas backup systems to protect homes during outages. We offer 24/7 emergency support and financing options. Technicians are trained to handle Generac brand systems, ensuring reliable power solutions for medical devices and essential appliances.
Wine Cellar Cooling
We specialize in customized wine cellar cooling solutions, including installation, maintenance, and repairs. Our technicians design systems to preserve wine quality, serving Bergen County homes with precision. Services include upgrading existing systems and installing energy-efficient models for optimal temperature control.
Heating Repair
Our heating services cover gas furnaces and boilers, offering repair, maintenance, and installation with Carrier products. Technicians provide annual checkups to ensure winter readiness, with emergency repairs available 24/7. Customers receive competitive pricing and access to rebates for system replacements.
Heat Pump Installation
We install and service heat pump systems for year-round comfort, including ductless mini-split options. Our maintenance plans extend system lifespan while improving energy efficiency. Technicians offer prompt repairs and financing options, ensuring cost-effective solutions for residential properties in Northern New Jersey.
People
Fred G. Russenberger, Jr.
Professional Engineer
Co-owner and Professional Engineer with decades of HVAC/R industry experience, Fred leads engineering and installation projects at GRC Mechanical Services. His expertise ensures technical excellence and client satisfaction.
John P. Russenberger
Professional Engineer
Co-owner and Professional Engineer, John oversees operations and service delivery at GRC Mechanical Services. With 75 years of combined family experience, he ensures high standards for residential and commercial HVAC solutions.
Questions
What HVAC services do you offer for residential customers?
We provide air conditioning, heating, generators, wine cellar cooling, heat pumps, and indoor air quality solutions for homes in Northern New Jersey and Rockland County.
Do you offer emergency HVAC repair services?
Yes, we provide 24/7 emergency service with priority response for Breathe Easy Maintenance Plan members, ensuring prompt assistance during critical system failures.
Are financing options available for new HVAC systems?
Yes, we offer 0% financing for 7 years and help customers access rebates up to $6,190 through utility and tax credit programs for qualifying installations.
What areas do you serve?
We serve Bergen County, Essex County, Hudson County, Morris County, Passaic County in New Jersey, and Rockland County, New York.
How can I schedule HVAC maintenance?
Contact us at 1-800-651-8222 or online to schedule maintenance. Our Breathe Easy Maintenance Plan offers discounted rates and priority service for system longevity.
Are your technicians certified?
Yes, our technicians are NATE-certified and factory-trained to ensure expert installation, repair, and maintenance of HVAC systems.