Donnelly Mechanical Corp
Heat pump installer based in Queens Village.
- License active
6 jobs on New York permits, 2021 to 2025: 5 heat pump installations, 1 roofing job. 35th most heat pump permits of 118 contractors in New York.
What the public records show
From the city's license records and the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | License 796, active in the city's records on Sep 24, 2026General contractor | Checks out |
| Jobs on record | 6 jobs on New York permits, 2021 to 2025: 5 heat pump installations, 1 roofing jobThey are based in Queens Village. Work outside New York is not in these records.35th most heat pump permits of 118 licensed contractors in New York. That counts jobs, not quality.Our New York permit records cover September 2021 to September 2026.Of their 5 heat pump permits, 2 mention ductless or mini-split units, 1 mention ducts or a ducted system. |
Records: the city Department of Buildings and City of New York permits.
Cost and timing
Permit value (not a price)
Their typical permit lists $35,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. Across New York the middle heat pump job is $35,000.
Get 2 or 3 written quotes.
Permit timeline
Across New York, a heat pump permit stays open about about 6 months, 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. Waiting for the permit adds about 57 days. How long heat pump jobs take.
Track record
Jobs per quarter
Where they work most
- 100183 jobs
- 101511 job
- 100651 job
- 100041 job
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 |
|---|---|---|---|
| Jan 16, 2025 | Heat pumpReplacement of (1) heat pump condensing unit & (2) indoor heat pump units & all associated piping… | 10151 | $34,500 |
| Dec 18, 2024 | Heat pumpReplacement of (2) indoor wall-mounted heat pump units in Elevator Machine Rooms in basement, and… | 10018 | $35,000 |
| Aug 22, 2024 | Heat pumpInstallation of (6) ductless wall-mounted split air conditioning systems in the IDF Rooms on floors… | 10018 | $90,000 |
| Aug 13, 2024 | Heat pumpInstallation of (1) ductless split system air conditioning unit to serve elevator machine room on… | 10018 | $8,750 |
| Mar 26, 2024 | ReroofIt is proposed to install railing at the roof level; roof repairs as necessitated as | 10065 | $56,000 |
| Nov 18, 2021 | Heat pump(2) new water source heat pumps and new ductwork & piping as | 10004 | $45,000 |
What to ask before you hire
About Donnelly Mechanical Corp
- 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 Donnelly Mechanical Corp
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See all 118 heat pump installers in New York, ranked by jobs
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