Space Fireplace Services
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SFS_gas-conversion_prosper.md
Space Fireplace Services — DFW chimney & fireplace specialists. Free inspection, written quote, no surprise fees.
A Cleaner Fire for an Ambitious Room
The fireplaces installed during Prosper’s last decade of new construction are almost universally builder-grade B-vent gas units behind brick, cast-stone, or shiplap surrounds. They were specified to a square-foot cost target rather than to the room. They lose conditioned air through the vent during winter operation. They click on and off as the thermostat-driven millivolt valve cycles. The fire reads underscaled. Conversion to a sealed direct-vent insert is the right answer for almost every Prosper owner who has lived in the house long enough to know the original fireplace is the room’s weakest detail. Space Fireplace Services preserves the surround where it is worth preserving, retires the B-vent, and installs a properly scaled sealed unit. The room finally reads at the level of the rest of the architecture. To begin, schedule a consultation at 469-992-4912 or through the contact form. By appointment.Why Prosper Houses Convert
Three reasons drive conversion in 75078. The first is heat loss. B-vent units lose conditioned air constantly during operation, and the heating bill on a 7,000-square-foot estate already runs high without that extra HVAC load. The second is performance. The original burners are sized for a smaller firebox than the surround suggests, the fire reads visually undersized, and the standing-pilot or older intermittent-pilot ignition systems are reaching the end of their service life. The third is aesthetic. Owners who have invested in a $2M to $5M home eventually realize the fireplace was the developer’s compromise.The SFS Approach to Conversion
We start with a site walk. We measure the existing firebox opening, document the surround, photograph the vent path, and locate the gas line. Within ten business days you receive a fixed-price proposal with scope, specifications, and a build schedule. Build runs two to three weeks of intermittent coordinated work for a typical conversion. The original B-vent unit is removed, the firebox is modified to accept the new sealed unit’s clearance envelope, a new co-axial vent is run horizontally to the exterior wall, and the new sealed insert is installed and tuned. If the conversion includes a full surround rebuild — which we recommend for many of the original brick-with-shiplap-overpanel installs that have aged poorly — the build extends to three or four weeks.Specifications That Suit the Town
For most Prosper conversions inside an existing brick or cast-stone surround, our specification is a 48 to 60-inch sealed direct-vent linear insert sized to fill the existing opening, with a co-axial vent routed through a new horizontal pipe to the exterior wall. The original burner and log set are replaced. For owners doing a full surround rebuild during conversion, we specify the new fireplace and the surround as a single program. Common configurations: 72-inch linear unit with full-height board-formed concrete; 60-inch linear unit with brick base and steel mantel shelf; 48-inch linear unit with limestone slab face. Vent runs horizontally through co-axial pipe to the exterior. For two-sided pass-through configurations between great room and primary suite — increasingly common in Prosper’s newer construction — we install 48 to 60-inch double-glass sealed units with co-axial venting routed through an interior chase. Gas line in 75078 is residential, with the meter typically yard-side. We extend or modify the existing line as needed, pressure-test the assembly, and pull the gas and mechanical permits with the Town of Prosper.Selected Project: A Star Trail Modern Farmhouse
The owners had bought a 6,400-square-foot modern farmhouse in 2019. The original fireplace was a 42-inch B-vent unit behind a brick base with a shiplap overpanel. The unit clicked on and off through every winter, lost heat constantly, and read undersized in the sixteen-foot vaulted great room. We converted to a 60-inch sealed direct-vent linear insert. The original brick base was retained, the shiplap overpanel was removed and replaced with a full-height honed limestone slab, and the mantel was rebuilt as a single reclaimed pine beam at a new lower height suited to the larger fire. Vent was rerouted horizontally to the rear elevation. The conversion ran three weeks of coordinated work. The owners report the room finally feels finished.Trade Pro Program
We work with Prosper luxury builders, interior designers, and architects on a recurring basis. Our Trade Pro program offers a 15 percent professional discount on materials and design fees, dedicated lead times, and direct access to senior project managers. We protect your client relationship. Call 469-992-4912 and ask for the Trade desk.Frequently Asked Questions
**Should I preserve the original brick or cast-stone surround?** It depends on the surround. Cast-stone in well-built Prosper estates is almost always worth preserving. Original brick bases are usually worth keeping but the upper surround panel — typically shiplap or drywall — often comes out and gets replaced with stone, board-formed concrete, or steel during the conversion. **How does a sealed insert affect heating bills?** Significantly positive. B-vent units lose conditioned air continuously during operation. Sealed direct-vent units do not. Owners typically report a measurable reduction in HVAC runtime during winter. **How long does conversion take?** Two to three weeks of intermittent coordinated work for a conversion preserving the existing surround. Three to four weeks for a conversion that rebuilds the surround. **What does conversion cost in Prosper?** Conversion of a builder B-vent unit to a sealed direct-vent linear insert with the existing surround preserved typically runs twenty-two to thirty-eight thousand dollars. Conversions with full surround rebuilds run thirty-five to seventy thousand depending on materials and unit size. **Do you handle gas line and permits?** Yes. We extend the gas line as needed, pressure-test the assembly, pull the gas and mechanical permits with the Town of Prosper, and deliver the closed inspection at completion.Schedule a Consultation
If your Prosper fireplace clicks more than it burns, the path forward is clear. Call 469-992-4912 or write through the form. We respond within one business day.Adjacent Service Pages
– [Gas conversion service hub](https://spacefireplaceservices.com/gas-conversion/) – [Fireplace installation in Prosper](https://spacefireplaceservices.com/fireplace-installation/prosper/) – [Gas fireplace repair](https://spacefireplaceservices.com/gas-fireplace-repair/) – [Prosper area page](https://spacefireplaceservices.com/areas/prosper/) – [frisco/" class="auto-entity-link" data-term="Newman Village">Newman Village gas conversion](https://spacefireplaceservices.com/gas-conversion/newman-village-frisco/) — *Author: Marco Hensley, Senior Project Manager, Space Fireplace Services.*Our Sister Companies — Specialists in Related Services
Texas Service Experts is part of a network of CSIA-certified chimney specialists. Depending on your specific need:
- Texas Service Experts — general chimney sweep/inspection
- Texas Chimney Experts — chimney repair/masonry