Your old fireplace, fitted with a gas insert in Isleworth
Our Isleworth crew plans the vent, the gas line and the power together, so install day runs to plan.
- Licensed & insured
- Locally run
- Family owned and operated
- Same-day service available
Your Isleworth gas insert estimate, item by item
Getting these right at the start in Isleworth keeps install day to a single, planned visit.
- Masonry or factory-built fireplace, and what the insert manual allows
- Gas supply work by a qualified gas professional, on its own line
- Barrier screen front ordered with the insert
- Workmanship warranty and the 72-hour 10% discount shown on the estimate
Gas insert details our Isleworth team gets right
Written by the family-owned crew that fits gas inserts across Isleworth.
How a wall switch is wired
A wall switch for a gas insert is a low-voltage control. The manual is specific: do not wire 110 to 120 volts to the wall switch, and do not connect the power cord of an electronically controlled insert to a switched circuit, because that can override its safety lockout.
If you want a wall switch, we fit the maker's switch kit and connect it as the diagram shows. Power to the insert stays constant, and the switch simply tells the control when to light.
A surround that closes the gap
The surround is what you see around the insert, and it also closes the opening between the insert and the fireplace face. The Supreme manual says to push the insert in until the surround tightly overlaps the fireplace opening, and allows only an approved surround to cover the built-in grilles of a wood-burning fireplace.
It rules out shrouds, sheet metal plates or other parts used to seal off those vents. We fit the surround the maker supplies for your model and adjust the leveling legs until it sits tight against the face all the way around.
The conversion label inside the firebox
Once a wood-burning fireplace holds a gas insert, it has changed for good. Heat & Glo includes a fireplace conversion notice, to be permanently attached inside the lower back of the firebox, stating that the fireplace has been converted for use with a gas insert only.
That label protects the next owner or technician as much as you. We attach it where the manual shows, with silicone or mechanical fasteners if needed, so it stays put.
Keeping the insert and controls dry
Gas appliance makers are firm about water. A Hearth & Home Technologies manual warns installers to keep the appliance dry, because moisture can lead to mold or rust odors and water can damage the controls. It also says any appliance or gas control that has been under water must be inspected by a qualified technician and its control parts replaced.
Before an insert goes into a fireplace, we look for signs of water coming down the chimney. A leak at the top is fixed first, so the new controls start life in a dry firebox.
Other work in Isleworth
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Learn more about gas fireplace insert installationIsleworth services
Gas fireplace insert FAQs for Isleworth
Answers from the family-owned team that fits gas inserts in Isleworth.
Will you fit an insert I already purchased?
Gladly, as long as it suits your fireplace. Give us the model number when you call, and the installer reviews its opening and vent requirements before arriving. If it cannot fit, you find out while there is still time to return it.
Will I need an electrician for a gas insert?
Only if the insert needs power where there is no outlet. Many inserts use household power for the blower and ignition, and a new outlet in or near the firebox is electrical work done by an electrician. It is listed on its own estimate line.
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- No hidden fees
- Family owned and operated
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