Acco Engineered Systems Inc.
Heat pump installer based in Pasadena. Licensed since 1950.
- License active
- Workers' comp on file
23 heat pump jobs on San Francisco permits, 2021 to 2026. 32nd most heat pump permits of 217 contractors in San Francisco.
What the public records show
From the state's license records and the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | License 120696, active in the state's records on Sep 23, 2026General engineering, general building, boilers, electricalNo complaints or citations on the board's public record. | Checks out |
| Workers' comp? | Workers' comp policy on file with the stateThis covers their crew if someone is hurt. It is not insurance for your home. | On file |
| In business? | Licensed since 1950 | |
| Jobs on record | 23 heat pump jobs on San Francisco permits, 2021 to 2026Every permit we have for them is heat pump.They are based in Pasadena. Work outside San Francisco is not in these records.32nd most heat pump permits of 217 licensed contractors in San Francisco. That counts jobs, not quality.Our San Francisco permit records cover September 2021 to September 2026.Of their 23 heat pump permits, 1 mention ductless or mini-split units, 5 mention ducts or a ducted system. |
Records: the state license board and City of San Francisco permits.
State license board record
Last checked Oct 4, 2026. This may have changed. Check it on CSLB.
No complaints or citations on the board's public record.
Source: California Contractors State License Board, checked Oct 4, 2026. Look up license 120696 on CSLB
Cost and timing
All heat pump jobs in San Francisco: $8,800 to $27,000
Half of 2,697 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Ductless mini-splits in San Francisco: $7,500 to $24,000 (918 permits)
- Ducted heat pumps in San Francisco: $10,000 to $34,000 (406 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 $50,000 (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 San Francisco.
Get 2 or 3 written quotes.
Permit timeline
Across San Francisco, a heat pump permit stays open about 45 days, from permit to final inspection
This is not how long the crew works at your home: most of it is waiting for the inspection. Ask them how many days the work takes. The permit itself is usually issued the same day. How long heat pump jobs take.
Track record
9 jobs in the last 12 months, up from 4 the year before
Where they work most
- 941044 jobs
- 941084 jobs
- 941034 jobs
- 941023 jobs
- 941053 jobs
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
A row marked ×2 or more stands for that many similar jobs on one day in one ZIP code.
| Date | Work | ZIP | On the permit form |
|---|---|---|---|
| Aug 12, 2026 | Heat pumpWork category: 5m; 2 new heat pumps | 94104 | not stated |
| Aug 10, 2026 | Heat pumpWork category: 5m; drain piping as required remove (2) existing branch tees furnish & install (2)… | 94108 | not stated |
| Jul 28, 2026 | Heat pumpWork category: 5m; drain piping as required remove (2) existing branch tees furnish & install (2)… | 94108 | not stated |
| Jun 17, 2026 | Heat pumpWork category: 5m; replace 179 existing water source heat pumps, flexible hose, necessary ductwork,… | 94102 | not stated |
| Jun 5, 2026 | Heat pumpWork category: 5m; f18 install piping for (20) fan-powered terminal units and (2) water source heat… | 94105 | not stated |
| Apr 22, 2026 | Heat pumpWork category: 5m; disconnect & reconnect condenser water piping to accommodate replacement of… | 94108 | not stated |
| Nov 24, 2025 | Heat pump (×2, same day)Work category: 5m; level 4 install (2) new water source heat pumps install (1) new cooling only… | 94158 | not stated |
| Oct 14, 2025 | Heat pumpWork category: 5m; install (1) new 3-ton water source heat pump | 94104 | not stated |
| Jul 2, 2025 | Heat pumpWork category: 5m; installing two (2) heat pumps and twenty-one (21) vav reheat boxes | 94104 | not stated |
| May 2, 2025 | Heat pumpWork category: 5m; install 1 heat pump, 2 reheat vavs and 5 cooling vavs | 94108 | not stated |
| Apr 22, 2025 | Heat pumpWork category: 2pa; installation of two new heat pumps, two new circulation pumps and the… | 94104 | not stated |
| Apr 8, 2025 | Heat pumpR&r 6-ton carrier water source heat pumps | 94103 | not stated |
| Jan 19, 2024 | Heat pumpWork category: 5m; installing a mini-split system that the condensate drain will need inspection | 94111 | not stated |
| Jan 19, 2023 | Heat pumpWork category: 5p; furnish and install one (1) daikin wall mount heat pump split system in the… | 94133 | not stated |
| Jun 17, 2022 | Heat pumpWork category: 5m; condenser water piping for three (3) water source heat pumps | 94105 | $50,000 |
| Mar 31, 2022 | Heat pumpWork category: 5m; install six (6) water source heat pumps, three (3) exhaust fans, duct work,… | 94105 | not stated |
| Mar 31, 2022 | Heat pumpWork category: 5m; two (2) new water source heat pumps and associated condenser water piping | 94111 | not stated |
| Mar 9, 2022 | Heat pumpWork category: 11p; furnish & install two (2) 3-ton heat pumps in elevator machine room | 94103 | not stated |
| Feb 9, 2022 | Heat pumpWork category: 5m; like for like replacement of 27 water source heat pumps | 94102 | $100,000 |
| Jan 31, 2022 | Heat pumpWork category: 1m; disconnect and abandon existing a/c unit on rooftop for elevator machine room | 94103 | not stated |
| Oct 19, 2021 | Heat pumpWork category: 5m; installing one (1) water source heat pump: bosch… | 94103 | $50,000 |
| Oct 18, 2021 | Heat pumpWork category: 1m; the removal and replacement of the existing 2.0 heat pump | 94102 | $12,975 |
What to ask before you hire
About Acco Engineered Systems Inc.
- Ask what the warranty covers and for how long, in writing.
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?
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