Verified record
Alpha Plumbing and HVAC holds 4.9 stars from 71 ratings on Google. Its website lists a service area that includes Bolton, Clinton, Hudson, Leominster and Littleton, and offers 24/7 emergency service. A recent customer said other pros had told them to replace their boiler for $15k-$20k. That customer said Mark came on time, asked questions that narrowed the problem down and kept the bill lower, and found shortcuts the installer had taken, which the customer said he will remedy once parts are ordered. A recent customer said their central AC was not blowing cold on the first hot day of the year, and the company fixed it when others had said it would need to be replaced. That customer said they also fixed a couple of vents stuck closed, repaired a couple of holes in the ducts and installed a new filter. A recent customer said the company identified the issue with their mini-split right away. A recent customer gave one star and wrote, "Won’t use them again." A 2024 customer said they called six HVAC businesses during a boiler malfunction and Alpha called back within 15 minutes. That 2024 customer said Mark came on time, cleaned the boiler and diagnosed a faulty controller. A 2024 customer said Mark got their oil burner running after three other companies said a new burner was needed. A 2024 customer said Alpha fixed an issue with a combi boiler on the first visit, at a price that customer called very reasonable. A 2024 customer wrote that Alpha Plumbing rebuilt their parents' furnace. A 2025 customer said Mark found the source of a leak and fixed it, and thanked the company for emergency service on a weekend. A 2025 customer said Owen got their air conditioning units cleaned up and running. A 2025 customer said Alpha Plumbing showed up on time and that Leonard, the owner, helped with all their questions. A 2024 customer said the company came to the house and promised an estimate in a week, and that more than a month later their calls, emails and messages had gotten nowhere.
Appreciate getting my problem solved same day, good work!
Mark did thorough analysis, explained the issues, fixed the problems, and was very personable.
Won’t use them again
Alpha was recommended for a recurring problem that other pros claimed was useless and that I should just replace our boiler to the tune of $15k-$20k. Mark came on time and worked like a private investigator, reverse-engineering everything that could be potentially be causing the problem. He asked me questions that saved time on not only his visit, but also narrowing the problem down, keeping the bill lower. Mark worked his magic. AND found that the installer took some shortcuts which he will remedy in time (order the parts). I appreciate everything Mark and Alpha did for my family’s boiler, and his fantastic ability to communicate everything in ways that I understand. Thanks again!
Great customer service! Quick, efficient and excellent work with an urgent situation in older house! Highly recommended! Will use them again!
Specializes in
Also offers
Service area
1 change recorded — last scanned Sep 25, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Alpha Plumbing and HVAC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
Languages
Languages
Transparent diagnostics5.0
Quoted price holds5.0
Midnight and weekend help5.0
Same-day and weekend calls for burst pipes and lost heat5.0
Broad plumbing and HVAC range5.0
Rapid response5.0
Handles the Mass Save program paperwork3.3
One-day heat pump conversions4.5
State-verified plumbing license2.8
State-licensed plumber3.6