Direct-vent and B-vent gas fireplace installation in South Miami
A replacement gas fireplace gets the same planning as a new one, including the retained vent and framing.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Gas fireplace projects we are asked about
- An existing vent of unknown make
- A unit bought before the route was checked
- A builder asking for framing details
- Several trades working on one room
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Installing vented gas fireplaces in South Miami
Restrictor settings for the vent configuration
Some direct-vent fireplaces use a flue restrictor that is set according to how much vertical rise the vent has. The setting affects how the fire burns, and the manual gives a chart linking the vent configuration to the position.
We set the restrictor to match the installed route, not the factory default, and record the setting. If the route changes during construction, the setting is checked again. A restrictor left in the wrong position can give a fire that looks poor or behaves differently from the manual's description.
Straps and supports along the new vent
Vent sections need support so their weight does not rest on the appliance or on joints. Vent makers supply wall straps, support plates and firestop supports for this, and the fuel gas code requires vents to be supported as the vent manufacturer instructs.
We place supports as the vent instructions show and at every change of direction where they are called for. Long vertical runs and runs through attics get particular attention. A well-supported vent keeps its joints engaged over time, which protects the seal between sections.
Leak check at the appliance connection
Once the supply is connected to the appliance, every fitting at the unit is checked for leaks. Manufacturers call for a non-corrosive leak check solution, applied with the gas on, at each connection the installer made.
We check the connections at the appliance and record the result. If a leak shows at a fitting on the supply side, the gas contractor is told before the unit runs. The appliance is not lit until every fitting at the unit has passed.
Dust, debris and cleanup during the work
Installation involves cutting framing, opening walls or ceilings and handling packaging. We protect floors and furniture near the work area and control dust where cutting takes place.
Offcuts, packaging and old materials are removed as the job progresses. At the end, we clean up the debris and haul it away, leaving the room ready for the finish trade or for use. If other trades are working in the same room, we agree who clears what, so nothing is left behind.
What we plan and install on a gas project
- Model selection against the room and route
- Attic insulation shield where the route needs one
- Appliance set, leveled and secured
- Debris cleaned up and hauled away
Before you plan a gas fireplace
How do you handle framing and finishes around the unit?
We follow the framing and clearance drawings in the manual for the chosen model. Where a builder or another trade frames the chase or applies the finish, we share those requirements with them before they start.
Can you install a propane fireplace?
Yes, where the model is supplied for propane or converted as its manual allows. Your propane supplier or a gas contractor handles the tank, regulator and piping. We confirm the fuel on the rating plate before the unit is set in place.
Can you move an existing gas fireplace to another wall?
Moving a unit is treated as a new installation at the new position, with its own vent route, framing and supply coordination. The old opening and vent need closing properly, which may involve other trades.
More Ways to Care for Your Fireplace
- Chimney RebuildRebuild the affected chimney section with the retained structure, roof connection and passage included in the plan.
- Chimney Flashing RepairRepair the chimney-to-roof connection with a scope that accounts for the adjoining roofing and masonry.
- Top-Sealing Damper InstallationFit a top-mounted damper only after checking the fireplace, product restrictions and control route.
- Chimney Sweep and Chimney CleaningArrange careful chimney cleaning in Miami with a defined scope, protected work area and useful findings.
- Stone Chimney RepairRepair affected stone chimney surfaces with the supporting construction and visual match considered together.
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Local service. Careful repairs. A fireplace worth coming home to.
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Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo