David P. Frain D.b.a. Boss-tin
Heat pump installer working in Somerville.
- Somerville publishes no contractor license list we can check
5 heat pump jobs on Somerville permits, 2025 to 2026. 10th most heat pump permits of 29 contractors in Somerville.
What the public records show
From the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | Somerville publishes no contractor license list we can checkThat says nothing about this business either way. | Ask them |
| Jobs on record | 5 heat pump jobs on Somerville permits, 2025 to 2026Every permit we have for them is heat pump.10th most heat pump permits of 29 contractors in Somerville. That counts jobs, not quality.Our Somerville permit records cover October 2021 to September 2026.Of their 5 heat pump permits, 3 mention ductless or mini-split units, 2 mention ducts or a ducted system. |
Records: City of Somerville permits.
Cost and timing
All heat pump jobs in Somerville: $23,000 to $46,000
Half of 255 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Ductless mini-splits in Somerville: $20,000 to $43,000 (90 permits)
- Ducted heat pumps in Somerville: $25,000 to $52,000 (88 permits)
How to read this range
Contractors write a job value on the permit form, and the city uses it to set the permit fee. It is not the contract price, and it is often lower than what you pay. A quarter of the permits list less than this range, and a quarter list more. Use it to see if a quote is in the normal range.
Permit value (not a price)
Their typical permit lists $46,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What heat pump jobs cost in Somerville.
Get 2 or 3 written quotes.
Track record
Where they work most
- 021453 jobs
- 021441 job
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
| Date | Work | ZIP | On the permit form |
|---|---|---|---|
| Jun 5, 2026 | Heat pumpThe installatiom of wall mounted ductless mini split units in each main area and in each bedroom… | 02145 | $60,000 |
| Feb 23, 2026 | Heat pumpThe installation of wall mounted ductless mini split units in each main area and in each bedroom… | 02145 | $54,500 |
| Jan 29, 2026 | Heat pumpThe installatiom of wall mounted ductless mini split units in each main area and in each bedroom… | 02145 | $40,000 |
| Sep 18, 2025 | Heat pumpThe installation of ductwork,duct insulation snd grilles associated with 2-electric heat pump units… | Not listed | $29,500 |
| Aug 12, 2025 | Heat pumpThe installation of ductwork duct insulation and grilles associated with 3- 2 ton heat pump units.1… | 02144 | $46,000 |
What to ask before you hire
About David P. Frain D.b.a. Boss-tin
- Ask for their license number and check it with the state.
- Ask what the warranty covers and for how long, in writing.
- Search their name on the Better Business Bureau site, and read their reviews.
Worth asking any heat pump installer
- Can you show me proof of liability insurance and your bond?
- What size unit, and did you measure the house to choose it?
- Do my ducts or my electrical panel need work first?
- Who pulls the permit, and what rebates apply?
Get a quote from David P. Frain D.b.a. Boss-tin
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