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Typical Greater Boston range for this kind of work, from regional averages — not a quote from N.E.T.R., Inc.. 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
N.E.T.R. has been putting ductless systems into New England houses since 1989, and for most of its written history the reviews read the same way: the crew arrives, wears booties, hides the line runs, and someone in the office helps with the rebate paperwork. In March 2024 a customer named the salesman (Chip) and the installer (Daniel Rodriguez). In October 2023 another named six people. In March 2025 a homeowner who met three or four vendors said NETR had won the job before the other quotes arrived, and praised how neatly the lines were consolidated outside. The company works out of 85 Flagship Drive in North Andover; BBB also carries N.E.T.R., LLC at 12 Manison Street in Stoneham with 60 employees, accredited since June 2014 and graded A+. The catalogue runs well past mini splits: ducted heating and cooling, gas furnaces and boilers, commercial refrigeration and clean rooms, generators, EV charging, water heaters, panel replacements and whole-home electrification. In 2021 Sila Heating and Air — the Dubin Clark-backed platform — acquired N.E.T.R. alongside a Hudson Valley company, and BBB now names Sila as a related business at that same Stoneham address. Customers have noticed: an April 2026 reviewer wrote of "N.E.T.R / Sila", and a July 2026 post opened with a warning that the company is not the same one it was. The complaints are a minority, but they share a shape, and it is not about trade skill. It is about what happens when something goes wrong. In June 2025 a mini-split customer paid a handyman $400 to cut a shelf on the salesperson's instruction, then learned after installation that the measurement had not accounted for the vent — and said six calls over three weeks went unreturned. In June 2023 a two-day job took seven visits, left a hole through deck flashing and mahogany flooring, and ended with the system disabled over an unpaid balance. In November 2022 a service call left a boiler beyond repair, and that customer describes the claims conversation afterwards as hostile. In May 2026, an ~$107,000 heat pump installation quoted at two months took eight, with an electrical design error requiring redesign, repeated failed inspections, and a settlement accepted under a 24-hour ultimatum. The ratings carry the same split: 4.7 on Angi, 4.0 across six HomeAdvisor ratings. A good call if you want a ductless or heat pump install from a crew that has done thousands of them and will handle the rebate paperwork. Before signing a large job, put the timeline and the milestone payments in the contract, confirm who owns the design and the permit submissions, and agree in writing what happens if an inspection fails.
“Beware: N.E.T.R. is not the same company anymore! They were purchased by Sila,”
“Sila Heating and Air, the Dubin Clark‑backed residential HVAC and home services platform, completed add-on acquisitions of N.E.T.R. Inc. (North Andover, MA) and John S. Parker Home Services (Kingston, NY).”
NETR (now Sila/Goldman Sachs) heat pump installation on triple-decker. ~$107k, quoted 2 months, took 8 months. - Design Error: Original electrical design violated Somerville setback code. Required complete redesign, ~7 week Eversource resubmission delay, neighbor coordination. I had to personally intervene with Eversource management. - Failed Inspections: Electrical failed multiple times. NETR pressured for payment before inspections citing "substantial completion." - Settlement: After 8 months I requested compensation. NETR offered $1,000, blamed delays on "my preference" not their design error. When I provided documentation proving otherwise, they withdrew offer to send foreman, gave 24-hour ultimatum to accept $1,500 or face "legal escalation." We settled to avoid further hassle. Outcome: Heat pumps work now. But design error, failed inspections, gaslighting, and 4x timeline make this impossible to recommend. On $100k affecting three households, expected better.
Had maintenance done for heat pump & mini splits. Rafael Guzman is was professional and knowledgeable . He explained everything he was doing clearly and gave pointers to maintain system. Would definitely recommend N.E.T.R / Sila
Before installing a mini-split, the sales person told me that I'd need to cut down an interior shelf to a specific height. I paid a handyman $400 to do exactly what the sales person instructed. Later on, N.E.T.R. came and did the installation; however, AFTER the installation, a technician told me that they hadn't accounted for the vent opening and closing and that the shelf would need to be further cut down. As you can imagine, this type of service is rather ridiculous. If they knew that the shelf would need further cutting, they should have NOT installed the unit. I have called N.E.T.R. six (6) times in three weeks, and no one has called me back about this issue. After paying for the unit and for a handyman, it's ridiculous that I have AC that is compromised because no one with the company thought to properly measure the space so that the work by the handyman could be done once. At this point, I'd like for N.E.T.R. to take care of this for me.
It went very well. Provided a quote quickly. Work then done perfectly.
From start to finish, NETR did a fantastic job. I met 3-4 other vendors, and they didn't come close to NETR's responsiveness, professionalism, or timeliness. NETR earned my business before I even got a quote from some of the others. The salesman, Mark, arrived on time, was respectful & attentive to what we needed, explained our options well, and provided a competitive quote before he left my home. NETR also offered a 5-year 0% interest loan for the project (via a relationship with GreenSky). It took only a few days to schedule installation. The installers were prompt, professional, respectful of our property, and did an excellent job installing the electrical components, compressor, branch box, and 5 heads. They did a nice job of consolidating and hiding the lines on the outside of the house. This past year, we've worked with many contractors, some good, some terrible, so I can compare. NETR was one of the best, and I would hire them for my next project in a heartbeat.
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