Vent-free fireplace repair for Merrimac homes
Straight answers on your ventless fireplace in Merrimac, from the room size to the mantel, on a free written estimate.
- Licensed & insured
- Locally run
- Family owned and operated
- Same-day service available
Measured and tested at your Merrimac vent-free fireplace
Checked on the free inspection in Merrimac, with the numbers shared before you decide.
- Burner ports, orifice and primary air openings cleaned
- Other gas appliances in the space listed with inputs
- Mantel, side wall and ceiling clearances measured
- Fireplace or firebox listing for vent-free use confirmed
Vent-free repair notes from our Merrimac technicians
Pulled from the manuals and code sections our Merrimac technicians work from on every vent-free job.
How much room a vent-free fireplace needs
Section 621.5 of the Florida fuel gas code caps the combined input of unvented room heaters at 20 Btu per hour for each cubic foot of the room or space. A neighboring room may be counted when it connects directly through an opening that cannot be closed.
We measure the room, note its openings and compare the result with the input on your rating plate. If the numbers fall short, you hear it from us before any repair is quoted, along with the options the manual allows.
Mantel clearances for a vent-free log set
A log set placed in an existing fireplace has its own mantel rules. One manual calls for noncombustible facing at least 1/2 inch thick, reaching at least 8 inches above the opening, and shows a combustible mantel up to 10 inches deep sitting at least 20 inches above the opening without a hood.
With its 4 inch hood, that figure drops to 18 inches. If a mantel misses both, the manual says to run the logs with the damper open only or to raise the mantel. We measure and explain which applies to your home.
Moving a ventless fireplace to another room
What suits one room may be wrong for another. A new space for a vent-free unit has to pass the room volume and air rules, the clearances in the manual and the limits on bedrooms and bathrooms, and a wall that fits the unit physically has passed none of those yet.
Before a move, our team runs every check against the new location and sends the results in writing. Relocation work and any repair are priced as separate lines.
Remotes and wall thermostats on vent-free units
Remote controls and wall thermostats are sold as listed accessories for some vent-free fireplaces. One maker offers millivolt wall thermostats, a programmable thermostat and several remote controls for its unvented fireplace.
When a remote stops working, we check the receiver, its batteries and its wiring against the accessory's instructions. Replacement accessories come from the list for your model, and the price is on paper first.
High-traffic spots and drafty walls
Certain spots are ruled out entirely. Several manuals say never to install the appliance in high-traffic areas or in windy or drafty areas, and a firebox maker adds that the front opening must never be blocked or the flow of combustion air restricted.
A hallway nook or a wall beside a busy sliding door can fail those tests. Our specialists judge the location as it is used today and tell you in writing if it works against the unit.
Other work in Merrimac
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Learn more about ventless gas fireplace serviceMerrimac services
Ventless fireplace answers from our Merrimac team
Short answers from our Merrimac technicians. Call with anything we have not covered.
Can an ODS pilot be cleaned, or does it need replacing?
Often it can be cleaned. One manual recommends compressed air at no more than 30 PSI and never a wire or needle. If the flame still misses the thermocouple afterward, the pilot assembly listed for your model and gas type is replaced.
Is soot on vent-free logs normal?
No. One maker says properly installed and maintained log sets do not deposit soot, and that owners who see it should stop using the set and call for service. Log position, drafts, dust and gas pressure are the usual suspects.
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- Family owned and operated
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