Planning and installing a gas fireplace in Seven Isles
The installation follows the listing and manual for the unit you choose, from framing to handover.
- Owned and run locally
- Available for same-day service
- Fully licensed and insured
- Family owned and run
Projects that start with a gas fireplace plan
- Parts no longer made for the existing unit
- Wanting a fire without burning wood
- An existing vent of unknown make
- Controls you would like to update
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Gas fireplace installation, from room to handover
Combustion air for units that use room air
A natural-draft gas fireplace burns air from the room it sits in. The fuel gas code sets methods for providing enough combustion, ventilation and dilution air, either from inside the building or brought in from outdoors. Direct-vent units follow their manuals instead, because they draw air from outside.
For natural-draft models, we look at the room and the connected spaces during the project inspection. If the room does not meet the code's indoor air method, outdoor air may be needed. We explain what that means for your plan before the model is ordered.
Outside walls and short horizontal runs
An outside wall often gives the simplest route for a direct-vent unit, with a short horizontal run straight through to a wall termination. Even then, the termination has to sit where the manual's clearance rules allow, away from openable windows, doors, soffits, corners and service equipment.
We look at the outside face of the wall as well as the inside. Windows, doors, meters, decks and walkways near the planned exit can push the fireplace along the wall or rule a spot out. We settle the exit point before framing, so the inside and outside line up.
Sealing the wall penetration
When a vent passes through an outside wall, the fuel gas code requires the annular space around it to be permanently sealed with approved materials. That seal keeps combustion products from finding a way back into the building around the pipe.
We seal the wall penetration as the code and the vent manual require, using the materials they specify. The exterior termination is fastened and flashed or sealed to the wall covering as shown. Water and air tightness at the wall matter for the house as well as for the appliance.
Plants and landscaping near the termination
Shrubs, vines and trees can grow toward a wall termination, and leaves and debris can collect around it. One owner's manual lists plants, nests, leaves and debris among the things to check at the termination.
When choosing the exit point, we look at the planting around it and mention what will need trimming over time. After installation, keep growth clear of the termination as the manual describes. If landscaping plans are underway, share them so the termination and the garden do not end up competing for the same space.
What a gas fireplace project in Seven Isles includes
- Termination position against listed clearances
- Floor surface under the appliance
- Shutoff valve position coordinated
- Flashing and storm collar on roof terminations
Questions from Seven Isles about new gas fireplaces
What happens on the day the new fireplace is lit?
We check the appliance connection for leaks, take pressure readings, light the unit and watch it through its sequence. Then we show you the controls, the barrier and the maintenance list in the manual.
Is the installation covered by a warranty?
Our workmanship warranty covers the installation work we carry out. The appliance and vent parts carry their manufacturers' own warranties. We explain both on the estimate so you know which covers what.
What if I smell gas after the new fireplace is installed?
Get everyone out of the house, leaving switches and the fireplace controls untouched. From the yard or the street, ring 911 or the gas utility, and stay out until they confirm the building is safe.
We received your request
Our team will contact you to arrange your inspection.
Chimney & Fireplace Brands We Work With
DuraVent 
Olympia Chimney and Venting 
Copperfield Chimney Supply 
Rutland 
Heatilator 
Heat & Glo