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30 Years
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Emergency
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Trusted HVAC Services in Mickleton, NJ
Founded in 1996, J&J Mechanical Inc. Inc. has built a reputation as a trusted provider of HVAC and generator solutions in South Jersey and Southeastern Pennsylvania. With over 29 years of experience, our N.A.T.E certified technicians deliver reliable installations, repairs, and maintenance for residential and commercial clients. We prioritize customer satisfaction through 24/7 emergency services, transparent pricing, and community-focused initiatives, including discounts for first responders and military members.

Our commitment to quality extends to energy-efficient solutions and partnerships with leading brands like Generac and Aerus. Backed by hundreds of five-star reviews, we combine technical expertise with personalized service to ensure long-term system performance and client peace of mind.
Services
HVAC Installation Boiler Repair Generator Systems Air Scrubber Installation Furnace Maintenance
Details
  • Year established: 1996
Highlights and features
  • 29 years of experience in HVAC and generator systems
  • N.A.T.E certified technicians for expert service
  • 24/7 emergency repair availability
  • 10% discount for first responders and military members
  • Transparent, upfront pricing with no hidden fees
Associations and certifications
  • N.A.T.E
What people say
Knowledgeable technicians Prompt service Professional demeanor Clear communication Reliable repairs
Services
HVAC Installation
Professional HVAC installations tailored to residential and commercial needs. Our experts assess space requirements and budget to recommend optimal systems, including furnaces, heat pumps, and central air conditioning. Services cover equipment selection, ductwork, electrical integration, and performance testing. Backed by manufacturer warranties and 29 years of technical expertise.
Emergency Repairs
Round-the-clock HVAC emergency repairs for critical system failures. Trained technicians respond promptly to heating or cooling breakdowns, equipped with diagnostic tools and replacement parts. Services include refrigerant leaks, compressor failures, and thermostat malfunctions. Available 7 days a week with no additional after-hours charges.
Generator Systems
Installation and maintenance of Generac home generators for uninterrupted power during outages. Services include system sizing, transfer switch setup, and annual maintenance. Emergency repair support ensures reliability for residential properties. Financing options available for new installations.
Air Scrubber Installation
Enhance indoor air quality with Aerus Air Scrubber technology. Our technicians install and service systems that reduce pathogens, allergens, and odors using ActivePure Technology. Ideal for homes and businesses seeking healthier environments. Includes 5-year warranty and maintenance support.
Boiler Maintenance
Comprehensive boiler repair and replacement services for gas, electric, and oil systems. Preventative maintenance plans extend equipment lifespan and efficiency. Emergency services address leaks, pressure issues, and ignition failures. Servicing all brands with upfront pricing.
Questions
Do you offer 24/7 emergency HVAC service?
Yes, our technicians are available 24 hours a day, 7 days a week for urgent heating and cooling repairs.
What financing options are available?
We offer 0% financing through partnerships with South Jersey Gas and PSE&G for qualifying HVAC and generator installations.
Are maintenance agreements worth it?
Yes, annual agreements prevent breakdowns, extend system life, and include priority scheduling for emergency repairs.
Do you service all HVAC brands?
Yes, we repair and maintain all major brands of heating, cooling, and generator systems.
What areas do you serve?
We serve Gloucester County, Salem County, and Southeastern Pennsylvania, including Deptford, Glassboro, and Woodbury.
Is the Air Scrubber safe for homes?
Yes, the Aerus Air Scrubber is ozone-free and CARB certified for safe indoor air purification.
Reviews (6)
Jennifer Verrilli
May 25, 2022 Report
Called for service after hours and rec'd a text from owner within 5 minutes advising a technician would be at our home between 9&10 the next morning. Tech called 15 minutes before arrival and was at our house by 9:15. He immediately identified the issue and had the repair done within an hour. Everyone was professional, prompt, friendly and the cost was reasonable. Highly recommend.
Randy R.
May 22, 2022 Report
Been a customer of John's for many years. Extremely reliable and his pricing is always fair. Late last night my elderly mother had an issue with her A.C., John contacted me to let me know that he received a call from her and a technician would be there by 10 am today! Technician arrived at 10 am and took care of the issue. Mom's house is nice and cool thanks to the dependability of J&J Mechanical!
Kathy Sciubba
May 21, 2022 Report
Technician was on time and very professional. He diagnosed the issue with our system and implemented a short term fix. Within 24 hours he provided two options for long term resolution. The team has been very helpful in moving forward in a timely manner based on option we have selected. Service: HVAC system maintenance
Edward Robinson
May 19, 2022 Report
I have been using J&J for years including installing a new furnace/AC. They are early or on time. They are direct and do incredible work timely and their staff are always very professional and knowledgeable. I look forward to continued use of their services for years. Services: HVAC system maintenance, A/C system maintenance
Stephanie Long
May 15, 2022 Report
J and J Mechanical is the best! The experience starts with excellent customer service as soon as you call in - Nicole is professional and helps ensure the experience is seem-less. We have had several techniques over the years- each one professional, respectful and knowledgeable! Service: HVAC system maintenance
Mike Owen
Apr 22, 2022 Report
This is a follow up post after heater and a/c installation 2 weeks ago. The crew arrived on time very professional put drop cloths down everywhere wore booties over their shoes. They were here for about 10 hrs. They completed the installation Cody and Gene did a fabulous job with the help of Kevin. Explained the how the thermostat worked and did a great job of cleaning up. Had a question the next day they followed up promptly with their response Would hire J&J for any jobs in the future.