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Claim This BusinessA&J Heating has served Wilmington and surrounding Massachusetts communities for over a decade as a family-operated heating contractor. The business holds proper licensing for residential heating work in Massachusetts and maintains an A rating with the local Better Business Bureau. Al, the owner-operator, handles most service calls personally and builds long-term relationships with homeowners who appreciate his straightforward advice and genuine approach. The company serves Wilmington along with nearby cities including Andover, North Andover, and Lawrence, responding to both routine maintenance requests and urgent heating emergencies across the region.
What distinguishes A&J Heating from larger HVAC companies is Al's hands-on approach to every job. He walks customers through repair options without pushing expensive upgrades, and he has been known to talk homeowners through diagnostic steps over the phone rather than automatically charging for a service visit. The company specializes in oil-fired heating systems including burner service, tank replacement, and boiler installation, with particular expertise in troubleshooting older systems that other contractors decline to touch. Customers consistently mention fair pricing and Al's willingness to explain what each repair involves before proceeding.
Mark White experienced this commitment firsthand when his expansion tank began leaking on a Monday afternoon. A&J Heating sent someone within an hour, replacing the tank and checking related valves to prevent cascading damage. Kyle Bishop called after seeing the company recommended on Facebook, noting Al completed his oil tank installation cleanly and at the best price he received from three different contractors. Jason Mack's condo received two ductless mini splits installed with careful attention to his living space, while Rhys Vanisky's new boiler has been performing flawlessly since the installation a few months ago. The single one-star review from Marie M provides no specifics about the service encountered.
Six of seven detailed reviews award 5 stars, with customers specifically praising Al's honesty, fair pricing, and same-day response times. The negative review provides no details and stands alone against otherwise consistent praise for professionalism and workmanship. The overall 4.1 rating from nine reviews reflects strong customer satisfaction despite the limited sample size.
| Sunday | Closed |
| Monday | 8 AM–4 PM |
| Tuesday | 8 AM–4 PM |
| Wednesday | 8 AM–4 PM |
| ThursdayToday | 8 AM–4 PM |
| Friday | 8 AM–4 PM |
| Saturday | Closed |
Annual cleaning and maintenance for oil-fired heating systems, with Al personally performing most service calls.
Removal and installation of new oil tanks, with reviewers noting clean work and competitive pricing.
New boiler installation for residential homes, with a recent customer praising quality workmanship.
Installation of ductless mini-split systems in condos and homes, covering cooling and heat pump options.
Diagnosis and repair of heating system issues including expansion tanks, valves, and burner problems.