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    Absolute Precision Plumbing, Heating & Cooling

    4.5 (54 reviews)
    Open Open 24 hours

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    Tim R.

    We used Absolute for an oil to gas conversion of our systems this fall. Ken, the owner was prompt, courteous and extremely knowledgeable. We had a few other quotes on this job with Absolute providing a fair quote. It really came down to Ken and his team. They were great! On time and punctual, helpful with regards to what we needed and never oversold us on equipment or service. I will definitely call on Absolute for continued routine service in the future.

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    12 hours ago

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    Kenneth R.

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    2 years ago

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    Kenneth R.

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    11 months ago

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    Kenneth R.

    Helpful 1
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    2 years ago

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    6 years ago

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    Kenneth R.

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    5 years ago

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    4 years ago

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    Kenneth R.

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    3 years ago

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    Kenneth R.

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    4 years ago

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    Kenneth R.

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    5 years ago

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    Kenneth R.

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    4 years ago

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    Kenneth R.

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    5 years ago

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    Kenneth R.

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    8 years ago

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    7 years ago

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    6 years ago

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    13 years ago

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    Kenneth R.

    Thank you Joe!

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    11 years ago

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    Kenneth R.

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    5 years ago

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    7 years ago

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    7 years ago

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    Kenneth R.

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    8 years ago

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    Kenneth R.

    Thank you Allison!!!

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    15 years ago

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    9 years ago

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    Kenneth R.

    Thank you so much! It was great working with you!

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    13 years ago

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    Kenneth R.

    thank you bob! five star customer!

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    10 years ago

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    Kenneth R.

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    10 years ago

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    Kenneth R.

    Thank you Shelly!

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    14 years ago

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    Kenneth R.

    Thank you Allison!

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    13 years ago

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    Kenneth R.

    Thank you Adam!

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    7 years ago

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    Kenneth R.

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    12 years ago

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    11 years ago

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    Kenneth R.

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    11 years ago

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    9 years ago

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    Kenneth R.

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    8 years ago

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    12 years ago

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    Page 1 of 2

    Ask the Community - Absolute Precision Plumbing, Heating & Cooling

    Plumbing service is required for a leak in kitchen sink and toilet pipe as soon as possible in Stoneham. Could you please let me know about your availability for this project?

    Sorry earliest will be later next week

    Does this man have twins? I’m trying to see if it is the wright company. I need air conditioning. How much are the ones on the wall? I would like a price. He did my daughters heating system. Excellent job.

    I am the parent of twins yes. Ken

    Don’t See Your Question? Ask Away!

    Review Highlights - Absolute Precision Plumbing, Heating & Cooling

    I felt that Ken genuinely wanted me to be happy with his work and he really did do a beautiful job.

    Mentioned in 31 reviews

    Read more highlights

    James Wu HVAC And Plumbing - Bosch 5 ton ultra low temp system

    James Wu HVAC And Plumbing

    (19 reviews)

    Extremely happy with the services provided by James. He installed a 6 unit/2 compressor heat pump…read moresystem in our 150+ year old house in about two days, demonstrating superior knowledge of the system and suggesting actually aesthetically pleasing choices for ducting etc. that many other contractors ignored. Price was reasonable for the scope and system specs, and James was extremely responsive and patient throughout the whole process. We also really appreciate James's help coordinating with MassSave (including some truly terrible inspections), ultimately enabling us to claim our full rebate. I'd highly recommend working with James, and we will continue to reach out to him for all our HVAC needs!

    After a 3-yr search and MANY bids for a new HVAC, we settled on James Wu, who installed our system…read morelast month and proved the research paid off. Below are things I wanted to know before choosing a contractor; maybe it will be helpful for you. Our situation: 100+ yr old home with current boiler in basement. We recently insulated our walk-up attic - that would both freeze and melt items stored there - with closed-cell spray foam (more research there), added drywall and will use it for storage. This is where the air handler and ERV (for ventilation) went. Our upstairs is now ducted, with one vent running through a closet on the 2nd floor to 1st floor. We also added a Mitsibishi floor mount unit and a ceiling cassette on 1st floor. So, we had a VARIETY of equipment installed, requiring a contractor experienced in not only ducting, but mini-split installs with both a ceiling cassette and floor mount unit. We did not want the large wall mount mini split units. Our walls/ceilings are PLASTER, (metal wire mesh and cement-based): cutting them is a JOB. And, we wanted the floor mount unit RECESSED. COST - James was in-line with our other bids, which came in between 27k and 39k, largely depending on equipment recommended, with ceiling cassettes costing more. Many contractors simply would not install them, and wanted to run ducts in the corners of all upstairs rooms to first floor, which to us was a last resort. COMMUNICATION - James is very responsive to texts, emails, and even more importantly, he is a fantastic communicator. He is very calm, not pushy, explains things in an easy-to-understand way that clearly shows he knows his business. I actually told my husband after he left for the first time, "I think we may have found our guy" just based on his personality and knowledge. He's likeable, which isn't a requirement, but definitely helps. EXPERTISE - This is what truly sets James apart. Our needs were fairly complex, requiring interior ducting, 2 outside units with exterior line sets, and recessed ceiling units, but also RECESSING the inside floor unit into an interior wall. We've overseen several renovation projects recently and could tell these guys knew what they were doing. Also, they were perfectionists, and paid attention to details you don't often find with contractors. DEPENDABILITY - Not a single missed appt. Showed up on time with clear communication. The job took a week. He also helped with Masssave paperwork. They cleaned up after themselves each day, which we appreciated. KNOWLEDGE - Extremely versed in Mitsibishi equipment. He's a Diamond Contractor, which extends our warranty, but we'd have chosen him regardless. Every question I had about these units (cassette and floor unit operation, air handler, ERV, outdoor units, thermostats...) he knew the answer to. When I researched anything specific online, from multiple and trusted sources, I found the info he'd given me to be correct. I trust his knowledge and I don't automatically do that. One example: our ceiling cassette has an internal thermostat and it's off by several degrees regularly. I researched it and found we likely need an external thermostat separate from the unit to measure the room's temp. I texted James a photo showing the inaccurate reading and his immediate reply, "you need an external thermostat. I'll install one." That's what I'm talking about. INTEGRITY - Example: After the permit inspector left, James explained his philosophy on inspections. Each city apparently has different requirements. He learned several years ago how strict one particular city was, requiring a blower test to determine air tightness and the passing score was 4% or less. He got 4.1% and city wouldn't pass it. This required a lot more time/energy to go through everything and another test and more $$. So, now James says to his guys, "We install to the strictest inspection every time, regardless of the specific city's requirements, so we don't ever have to redo anything." In our case, the city didn't need a blower test but if they did, I feel confident we would have passed! I don't often take time to write reviews, esp this lengthly, but I felt it was warranted here. Finding an HVAC contractor is HARD; it's time-consuming and complicated. And a lot of money. Three years of research finally led us to James and now, looking back, it was worth the wait and headaches in research. I would highly recommend anyone in the market for a new HVAC, especially if it involves Mitsibishi and especially ESPECIALLY if it involves recessing any equipment like ceiling cassettes or wall units, to consider James Wu. He and his team are uniquely skilled in their work.

    J Griffin Heating & Plumbing

    J Griffin Heating & Plumbing

    (9 reviews)

    We're a small collective that shares stories from freelance and contract workers who've been…read moretreated unfairly. This is one of those stories. A contractor was hired by this company to build a fully functional website on a rushed timeline. They were told they were the only person working on the project, and that the urgency was due to the company's former developer being in a legal dispute and planning to take down the live site by June 1st, 2025. The contractor dropped everything to help and finished the site two weeks before the deadline. Over the course of several weeks, the contractor even went to their office multiple times for meetings with the owner's son and other team members, working in good faith to move the project forward.After the work was done, it came to light that two or three other people were also working on the same site, despite the company claiming otherwise from the start. When the contractor followed up for payment, the owner's son who was the main point of contact allegedly said "My boy could do it for less than $1,000, so our initial agreement on price is gonna be a lot less now." He also added he was going on vacation in 15 days and "didn't have time to deal with it." All this while wearing an expensive Rolex. The contractor was told, "Send me the invoice I'll pay you for your time." The invoice was sent immediately, and the son followed up once more saying, "I'll get back to you." After that, he went completely silent no reply, no payment. The contractor was left dismissed and disrespected. The stress and anxiety from this on top of an existing heart condition led to serious mental and physical strain. Legal steps have since been taken. This post is meant to warn others if you're a freelancer, contractor, or subcontractor, be cautious. Get everything in writing, and don't ignore red flags. No one should be pressured, misled, ghosted, or lowballed after showing up, putting in the time, and delivering their end of the deal.

    JGriffin is by far the best HVAC we have had!! They are thorough - pleasant and explain exactly…read morewhat needs to be fixed or what they are doing! No pressure!! Thank you for all the help!!! A job well done and Office customer service is great to work with!!

    Absolute Precision Plumbing, Heating & Cooling - plumbing - Updated July 2026

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