Vent-free gas fireplace service in Lake Terrace
Tell us what your vent-free fireplace is doing, and our Lake Terrace technicians will find the cause on a free visit.
- Licensed & insured
- Locally run
- Family owned and operated
- Same-day service available
Measured and tested at your Lake Terrace vent-free fireplace
Free to have checked in Lake Terrace, and no obligation follows the visit.
- ODS pilot flame compared with the manual's pattern
- Ignitor, electrode, cable and battery tested
- Room volume measured against the rated Btu input
- Drafts from fans, returns and doors observed
Vent-free repair notes from our Lake Terrace technicians
A ventless fireplace repair in Lake Terrace follows the maker's instructions, and these notes explain why.
Unusually tight construction and fresh air
Unusually tight construction has a precise definition in vent-free manuals, built from three conditions together. Outside walls and ceilings carry a continuous vapor retarder of one perm or less, the windows and doors that open are weatherstripped, and joints and penetrations are caulked or sealed.
When a house meets all three, the manual says additional fresh air must be provided. Our technicians ask about recent window, door and insulation work, because an upgrade made to save energy can change what the fireplace is allowed to do.
The input limit for unvented room heaters
Section 621.3 of the Florida fuel gas code limits an unvented room heater to 40,000 Btu per hour of input. Vent-free firebox manuals repeat that ceiling and state that the box is only for a listed unvented decorative heater that stays within it.
We read the input from the rating plate and compare it with the code and the firebox label. A burner swapped in by an earlier owner sometimes fails that comparison, and when it does, you hear so before any repair is priced.
A vent-free fireplace is supplemental heat
Unvented room heaters cannot be the only source of comfort heating in a dwelling, under section 621.2 of the Florida fuel gas code. Manufacturers say it in their own words. One calls its log set intended for supplemental heating, and another says its appliance must never serve as a primary heat source.
If a vent-free fireplace has been standing in for a broken furnace, our team explains why that runs against the code and the manual. The fireplace repair and the heating question sit on separate lines of your estimate.
A whistle when the burner lights
One troubleshooting chart gives four reasons for a whistling burner. The knob was turned to high while the burner was cold, air sits in the gas line, the air passageways are blocked, or the burner orifice is dirty or partly clogged.
The first has a simple fix, which is to start on low and let the burner warm for a minute. The others call for cleaning or a supplier visit, and our technicians tell you which one applies.
Checking for gas at floor level before lighting
Lighting instructions on a vent-free set include a sniff test. One manual says to smell all around the appliance area for gas before lighting, including next to the floor, because some gas is heavier than air and settles low. It also says to wait five minutes after turning the knob off to let any gas clear.
If you are unsure, get out of the house, phone the gas utility or 911 once you are outside, and light nothing until they clear it.
Other work in Lake Terrace
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Ventless fireplace answers from our Lake Terrace team
Short answers from our Lake Terrace 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.
How big does the room need to be for a ventless fireplace?
Section 621.5 of the Florida fuel gas code limits unvented heaters to 20 Btu per hour per cubic foot of the space. Manuals also use 50 cubic feet per 1,000 Btu per hour of all appliances in the space to decide whether it is confined. We run both calculations during the free inspection.
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