Sumzero Energy Systems
Heat pump installer working in Somerville.
- Somerville publishes no contractor license list we can check
6 jobs on Somerville permits, 2022 to 2026: 5 heat pump installations, 1 panel upgrade. 14th 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 | 6 jobs on Somerville permits, 2022 to 2026: 5 heat pump installations, 1 panel upgrade14th 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, 2 mention ductless or mini-split units, 1 mention a furnace, 1 mention oil heat, 2 mention ducts or a ducted system.Permit notes rarely say what heat a home had: across Somerville, 0% of heat pump permits mention oil. |
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 $46,107 (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
Jobs per quarter
Where they work most
- 021444 jobs
- 021432 jobs
Jobs by kind of work
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 |
|---|---|---|---|
| Feb 24, 2026 | Heat pumpInstallation of 2 air handler/heat pump systems to serve the home | 02144 | $56,769 |
| Feb 4, 2026 | Panel upgradeWiring of 2 heat pump condensers - GFCI outlets - New subpanel | 02144 | $3,050 |
| Nov 6, 2023 | Heat pumpReplacement of an existing oil furnace and AC for a whole home ducted heat pump, reusing existing… | 02143 | $33,500 |
| Jan 30, 2023 | Heat pumpInstallation of a two ducted heat pump systems | 02144 | $54,504 |
| Mar 28, 2022 | Heat pumpInstallation of a 2 zone ductless minisplits for basement, a 5 zone minisplits system for first… | 02144 | $46,107 |
| Mar 28, 2022 | Heat pumpInstallation of a 5 minisplits between 2 outdoor units | 02143 | $26,769 |
What to ask before you hire
About Sumzero Energy Systems
- 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 Sumzero Energy Systems
Five quick questions. We pass your request to Sumzero Energy Systems.
Request for Sumzero Energy Systems
- Where
- Job
- Start
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- Goes to
You decide who to hire. Your details go only to the contractors you pick. How we use your details
Sent. We have your request.
We pass it to Sumzero Energy Systems. Replies usually come within a few days.
Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.
Open your job roomMore heat pump installers near 02144 and 02143
- Forge Team Inc
- Vip Pro HVAC Inc.
- Marciano Plumbing
- Endless Energy New England Inc
- Attardo Heating & Air Conditioning, Inc.
- David P. Frain D.b.a. Boss-tin
See all 29 heat pump installers in Somerville, ranked by jobs
Run this business? Claim this page to get requests by email and reply to homeowners here.