"Guy was hands down the best HVAC person we have ever had help us in Boston. Totally transparent, professional, easy to work with. If you need help, I would recommend asking for Guy to come out if possible."

"Dylan was amazing. My hvac person retired & I found Dylan when my Central air decided to act up. He explained my unit was in approaching its last days but he could attempt to repair it if I wished but I decided it was time to do a complete new heating & cooling system & he made it a easy process. No pressure & no stress. Now we’re ready for the heat wave that’s apon on us. Thank you Dylan & your team for your professionalism & great service. I highly recommend & they’re my go to for plumbing as well as I’m about to have them replace my hot water tank before it becomes an issue"

"I called the company on Sunday evening and they responded promptly early in the morning. My system was installed by them 3 years ago but somehow I missed last year's annual servicing. With the current heat wave it was severely underperforming. They sent out Robert Duclos within the hour. He diagnosed the problem---not enough Freon in the system, grass and mulch build-up in the compressor, valves buried under the landscaping--and fixed it all for the price of the annual service contract. I would definitely recommend them for anyone needing central a/c work."

"Fantastic. In and out in within 2 hours. Cost $15,000 less than another Angie's List HVAC service person quoted me."

We are a dedicated air quality company committed to delivering exceptional service and professionalism to our valued customers. Our skilled technicians are trained in the latest air duct and dryer vent cleaning techniques. We serve both commercial and residential properties, improving indoor air quality, enhancing HVAC efficiency, and helping lower energy costs. Safety is our top priority, especially in dryer vent cleaning, where proper maintenance plays a critical role in preventing fire hazards. By staying updated with industry advancements, we deliver reliable and effective solutions tailored to each customer’s unique needs.

Welcome!\n\nAt JN Service HVAC & Plumbing, we’re proud to deliver licensed, insured, and trusted HVAC and plumbing solutions to homes and businesses across Massachusetts.\n\nWith a solid reputation built on Excellence, Commitment, and Responsibility, we help you prepare your home or commercial space for the season ahead — before winter problems strike.\nOur priority is your comfort at home.\n\nWhy Choose Us?\n- 5-star Rated Company: We are a 5-star rated company with more than 1200 satisfied clients.\n- Customer Success: We focus on long-term relationships.\n- Specialist: Expert knowledge and proven skills.\n- Licensed and Insured: Our services are fully insured, providing you with peace of mind.\n- Quality in Everything we do: Best service with the best products.\n- Double-year warranty on labor.\n- Emergency Service: We're ON 24/7 to ensure your well-being.

"I had the pleasure of having G&C come to my home to repair a leak within my kitchen cabinet. Not only did the technicians arrive promptly, but they walked me through the repair process step by step, working in a clean and diligent manor. I highly recommend G&C for all of your plumbing and HVAC needs!"

"Duct Kings came out quickly and spent one day thoroughly cleaning the vents and scheduled the aero-seal for another day. During the process they noticed an issue with their software and rather than ignoring it and continuing the work, they stopped and rescheduled to come back and finish when the equipment was working properly. They were thorough, respectful of my home (and my pets), and wonderful to work with. I highly recommend Duct Kings!!"

"We had Chris replace a decades-old gas furnace and electric water heater, as well as install central air conditioning. We talked to a few professionals in HVAC, and Chris seemed to have encyclopedic knowledge of it all. At a very fair price, Chris spent two days having the old stuff professionally removed, getting the new stuff (AC) wired up, and all the new equipment installed. This was a problem-free project from start to finish, and we would strongly recommend Chris to anyone with similar needs."

"We called during a heat wave on a holiday week when our A/C broke, so we knew it would take a while to get an appointment, especially as first-time customers. They were able to immediately schedule us for just under a week out, and let us know up top about how their services and payments, etc. work. We actually called another provider simultaneously to see if they could come earlier, but they just ended up giving us the runaround for days instead of just saying they were too busy. They confirmed a smaller time window the night before, and showed up first thing the next day. Abner was awesome, and it was such a huge relief to have someone so nice and professional, explaining everything like we didn't know anything about HVAC (because we don't). He broke down 6 options for us to move forward ranging from the minimum service fee for the cleaning all the way up to addressing everything he saw that was weighing down on the system. He explained which options we could wait on and which ones were higher priority, etc. It feels so rare to get a home service provider with this kind of professionalism these days. I wish these guys did automotive! I didn't rate them on price because I don't have a good comparison. But we will definitely be using them moving forward based on reliability, customer service, and professionalism."