
Gas Line Installation NYC
Licensed gas line installation, modification and repair across NYC, with required testing and filings.
Gas Line Installation in New York City
Gas work is not the place for shortcuts. Every line we install or modify is sized, pressure-tested and filed to NYC requirements — because the inspection is the easy part if the work is right.
How DUO delivers
Assess
On-site evaluation and an honest diagnosis — no upsell theater.
Engineer
A code-correct plan and a clear, itemized estimate before work starts.
Execute
Licensed install with documented DPTP and OSHA safety standards.
Verify
Testing, sign-off and clean documentation for any inspector.

Real gas line installation work across NYC
Questions, answered
Yes. Gas work requires pressure testing and filing with the DOB, and certain work ties into Local Law 152 compliance. We handle the testing and coordinate the filings.
Gas Line Installation in the field
Real DUO project photography drops in here — replace the marked tiles with your job-site shots.






