Location
John O Inak HVAC/Mechanical Contractor
John O Inak, 5220 Chevy Chase Pkwy NW, Washington, DC holds a Heating, Ventilation, Air Conditioning And Refrigeration license according to the Maryland license board.
Their BuildZoom score of 81 does not rank in the top 50% of District of Columbia contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John O Inak, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John O Inak Contact Information
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John O Inak Reviews
3 out of 5 stars, based on
2
reviews
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AnonymousMay 24, 2019
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AnonymousAugust 2, 2017
Highly experienced in all aspects of heating, air conditioning and mechanical work. Great view for design of new and renovation projects. Easy to work with.
Mr. Inak is totally focused on delivering the comfort and efficiency at reasonable cost...very result oriented. No hesitation to recommend his services.
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John O Inak License info
Verified License
| License # | 10641 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for John O Inak at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
John Inak installed a defective AC system that used mismatched parts. 3 years later we have had to replace the entire
system using a different company because when Inak realized he could not repair the defective system he installed he ghosted us. His mistake cost us $9,000. Do not recommend.