A liner is not a one-size-fits-all insert. The right approach considers appliance listing, flue sizing, chimney condition, draft, termination and local code. We help homeowners understand what needs to be assessed before a relining or venting project proceeds.
Why this service matters
Avoid fitting a modern appliance to a vent system that was sized or built for something else.
- Review compatible stainless-steel or other approved liner systems for the appliance.
- Consider flue condition, routing, termination, cleanout access and draft together.
- Coordinate manufacturer documentation and the correct qualified trade before installation.
Who this service is for
Owners replacing heating equipment, converting fuel types or addressing aging or incompatible flues.
What to prepare and how we plan
Technical selection requires exact appliance model, fuel, input or output, vent manufacturer listing, chimney height and measured flue dimensions. Materials, insulation and connection details must follow the applicable standards and installation instructions. No generic dimension can be presumed safe.
Common questions
Can an old chimney be used for a new gas insert?
Sometimes, with an approved listed vent or liner solution. It depends on the chimney condition and the exact fireplace installation instructions.
Will a larger liner automatically improve draft?
Not necessarily. Vent sizing must match the connected appliance and governing installation requirements.
Talk to our local team
Bring your goals, pictures of the current space and any available product information. From our Farmingdale showroom, Fireplace Gallery New York helps homeowners and project professionals across Long Island, Nassau County, Suffolk County and New York City explore an appropriate next step. Availability and scope of work are confirmed during consultation.