Fireplace Installation
Building cozy fireplaces that spark lasting memories
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4.9 · 3,412 Google reviews
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CSIA & NFPA certified
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1-year workmanship warranty
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Installed to code
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Building cozy fireplaces that spark lasting memories
★
4.9 · 3,412 Google reviews
✓
CSIA & NFPA certified
✓
1-year workmanship warranty
✓
Installed to code
Use our free Fireplace Installation Cost Calculator to get an estimated price in less than 30 seconds — based on wood or gas, your existing chimney, and your home. No email, no callback, no surprise fees.
Live
fireplace-installation
$4,495 – $15,595
Inspection (credited)
−$49
Typical job
$11,995 – $15,595
Final price quoted in writing before any work.
A modern insert turns an open masonry fireplace — which sends most of its heat up the flue — into a sealed, high-efficiency heating appliance. Brown Chimney installs both futures as complete packages, not partial quotes. The wood-burning package is built around the Osburn Matrix 1900, fully installed at $11,995 including the stainless steel liner and venting the unit requires. The gas package is built around the Majestic Ruby, fully installed at $12,995 including gas line and electrical subcontractor allowances — one price, one crew coordinating the trades, one finished fireplace.
Every installation is done to code by CSIA-certified technicians, with the venting matched to the appliance — stainless liner for wood, dedicated venting for gas. Upgrades from the base units are priced at MSRP difference only, always in writing. Start with the fireplace installation cost calculator to see where your configuration lands, wood or gas, in 30 seconds.
An open fireplace is ambiance; an insert is heat. Open masonry fireplaces convert only a fraction of the wood's energy into room heat — the rest leaves through the flue, pulling already-warmed air out of the house with it. A sealed insert reverses that math: controlled combustion, blower-driven heat into the room, and a fire that works for the heating bill instead of against it.
The installation is a system, not a box: the insert is sized to your firebox, the liner or venting is matched to the appliance and run the full height of the chimney, and the surround is finished clean. Gas installations coordinate licensed gas and electrical subcontractors under one package price — you're not managing three trades, we are. Before any insert goes in, the chimney itself has to be sound: a $49 inspection confirms the flue, crown, and structure are ready to host the appliance, and the fee credits toward the work.
Related reading: do gas fireplace chimneys need cleaning — what changes about maintenance when you go gas. And if you're comparing components, here's a plain-English guide to the types of fireplace dampers and where each belongs.

An insert is an upgrade decision, not a repair — but some situations make the math obvious. These are the ones that bring homeowners to us most. If two or more sound familiar, it's worth pricing both futures.
Taking down a masonry stack but keeping the fire is more common than you'd think — a modern insert vents through far less than a full chimney. We quote chimney removal and installation together when that's the plan, so both numbers sit side by side in writing.
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The best installations are boring. Measured right, vented right, tested before we leave — and then it just works, every winter, for years.
Ben Brown
From confirmed order to first fire, most installations complete within one to two days on site — inspection first, then liner, unit, connections, and a full operational test before we leave.
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A $49 chimney inspection confirms the flue, crown, and structure can host the appliance — and the firebox is measured for exact insert fit. The fee credits toward the work.

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Unit, liner or venting, subcontractor allowances, and timeline — one package price, fixed in writing before anything is ordered.
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Wood inserts get a stainless steel liner run the full flue height; gas units get dedicated venting matched to the appliance. This is where efficiency is won or lost.
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The insert is set, connected, and finished clean. On gas packages, licensed gas and electrical subcontractors work under our coordination — one crew responsible.
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Every function tested before we leave: ignition, damper or valve, blower, shutoffs. You get the full walkthrough, the documentation, and a fireplace that's ready tonight.
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Subcontractor costs beyond the package allowances (any difference is shown to you in writing before work proceeds)
Customer-supplied units — packages are built on units we source, warranty, and stand behind
Masonry repairs the inspection uncovers (quoted separately before installation is scheduled)

Every Brown Chimney installation is a complete package — unit, liner, venting, subcontractors, and a full operational test before we leave — installed to code by CSIA-certified technicians and priced in writing before work begins. Book online or call, and light the first fire this season.