Verified record
Crosby Mountain Services LLC describes itself as a mechanical contractor for oil and propane heating system maintenance, repair and installation across New Hampshire's Lakes Region and White Mountains, and says it has been in business 10 years. Its stated service area includes Ashland, Holderness, Campton, Plymouth, Meredith, Laconia and Bristol. The company holds an active New Hampshire mechanical licence, MBE2501717, in the name Crosby Mountain Services, LLC. It has a 5-star average from 2 Google ratings. In a 2026 review, a customer called Ben and Ashley great to work with and described the service as local, knowledgeable and honest. In a 2025 review, a customer said their boiler was running more efficiently after Crosby serviced it, with a difference they noticed immediately.
Local, knowledgeable honest service you can count on Ben and Ashley are great to work with 10/10 would recommend !!
I had my boiler serviced by Crosby. It is running more efficiently. The difference was immediately noticeable.
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2 changes recorded — last scanned Oct 30, 2026.
Typical New Hampshire range for this kind of work, from regional averages — not a quote from Crosby Mountain Services LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,700 – $10,700
Typical HVAC project around $7,700
Prompt repair visits5.0
Water treatment installs5.0
Smoking plug fixed within a couple of hours5.0
Same-day leak visit3.8
Heating team came out quickly to check3.8
Boiler troubleshooting that fixed stacked issues4.0
