Every new Connecticut business filing, every dayPhoenix Mechanical HVAC
Phoenix Combustion Corp., Principal
Phoenix Mechanical HVAC LLC, operating as part of The Phoenix Companies, provides HVAC and mechanical services. The business is based in Darien, Connecticut, with its principal officer located in Glendale, New York.
Filed December 9, 2025 · Darien, CT · Fairfield County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3337102 · Retrieved July 27, 2026
About Phoenix Mechanical HVAC
Phoenix Mechanical HVAC LLC filed in Connecticut on December 9, 2025, with Phoenix Combustion Corp. as Principal. The company operates in HVAC and Mechanical Services, covering Residential and Commercial HVAC, from Darien, Connecticut. Its domain was registered 2,526 days before filing, on January 9, 2019, through GoDaddy. The website is modern, built with GoDaddy Website Builder, and confirmed to match the filing name and address. No annual report or EIN on file yet. We estimate revenue between $1 million and $10 million and 26 to 100 employees, with a brick-and-mortar footprint.
- Domain registered 2,526 days before the filing date.
- Phoenix Combustion Corp. filed as Principal.
- Website built with GoDaddy Website Builder and confirmed to match the filing.
- No annual report or EIN on file yet.
- We estimate revenue between $1M and $10M and 26 to 100 employees.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 24 new businesses registered in Darien in December 2025, and the only hvac and mechanical services business registered there that month.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Officers / Authorized Persons
Frequently Asked Questions
When was Phoenix Mechanical HVAC registered?
Phoenix Mechanical HVAC was registered as LLC on December 9, 2025 in Connecticut.
Where is Phoenix Mechanical HVAC located?
Phoenix Mechanical HVAC is based in Darien, CT, 06820-5107, in Fairfield County.
What type of business is Phoenix Mechanical HVAC?
Phoenix Mechanical HVAC is classified as a hvac and mechanical services business (residential and commercial hvac).
Does Phoenix Mechanical HVAC have an EIN on file?
No EIN was found on file for Phoenix Mechanical HVAC at the time of registration.
Who Sells to This Business
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