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AJ's Plumbing and Heating is hired for boilers, water heaters and everyday plumbing, and it holds 4.8 stars from 41 Google ratings. A recent customer chose AJ over several others to install a new Rinnai high-efficiency boiler, citing punctuality and a cost more reasonable than larger operations, and says he has shown up on time on three occasions and stands by his estimates. A 2023 customer said Robert looked at their boiler after another company said it could not be fixed and could not find replacement parts; that 2023 customer said he assessed the issue, fixed what needed fixing, made sure it was safe and explained each step. A 2025 customer who lost hot water said the company gave an estimate over the phone and came out the very next day to install a new hot water tank, laying down items so the floor would not be scratched. A 2025 customer wrote that over the past few years AJ put in a new furnace and HVAC system and a whole house water filtration system. A 2026 customer said Aaron installed a purge system for an iron problem, and that the orange ring in the toilet bowls was gone afterward. A 2023 customer said AJ installed an on-demand hot water system and a gas range and replaced failing, leaking pipes. A 2026 reviewer said their mother was charged over $10,000 for two toilets, two faucets, a vanity top and a shower valve, and that Aaron admitted it was an overcharge when confronted. A 2023 customer said he spent an hour and a half plunging and snaking a clogged sink without clearing it and charged $400.
Typical your area range for this kind of work, from regional averages — not a quote from AJ's Plumbing and Heating, LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
Great service! Helped me right away when I was in a desperate pinch last Summer. Would recommend him to anyone.
Among several others, we chose Aj to install a new replacement rinnai high efficiency boiler because of his punctuality, professionalism, and friendly demeanor. And cost of project was more competitive/reasonable than larger scale operations. On three occasions he has shown up on time for appointments (sometimes booked a week or more out) which is much appreciated. Also stands by his estimates, no surprises is also appreciated.
Aaron is an amazing person showed up and installed a type of purge system to help eliminate a problem we were having with iron in our system, no more orange ring in the toilet bowls and shower pressure has increased slightly since the instal .
Super helpful, knowledgeable, professional. Helped me with stuff about my house that I never noticed. Highly recommend!
My elderly widowed mother hired AJ's Plumbing and Heating LLC (Aaron) for basic bathroom replacements: 2 Kohler toilets with new shutoff valves, 2 bathroom faucets with shutoff valves, 1 vanity top, and 1 shower valve. The work was completed as described, with no major complications, hidden issues, or additional work noted. She was charged over $10,000 for this routine job. I've attached the itemized proposal/quote (personal details redacted) showing the full breakdown dated 1-1-26 — the prices speak for themselves. After checking comparable pricing from other licensed plumbers in the Manchester/Concord, NH area (similar multi-fixture replacements typically run $3,000–$6,000 at most), I confronted Aaron about the outrageous cost. He admitted it was an overcharge. This is completely unacceptable — especially when dealing with an older widow who trusted a professional to provide a fair and honest quote. It feels like blatant exploitation of someone vulnerable. I strongly advise everyone to get multiple written quotes from different companies first and avoid this if fair, transparent pricing is important to you. Do not let this happen to your family.
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1 change recorded — last scanned Oct 18, 2026.
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