Reliable heat for Broomfield homes, without a permit fight.
Broomfield sees winter lows averaging 19°F and roughly 5,449 heating degree days a year—cold enough to matter, though milder than the mountains just west. With new wood-burning fireplaces restricted across the Denver-Boulder nonattainment area, natural gas through Xcel Energy has become the practical default here. We'll match you with a trusted local dealer and a free planning packet for your install.
Every Project Starts From One of These Five Situations
Where wood-burning is restricted, gas keeps the fire going.
Broomfield is a consolidated city and county wedged along the US-36 corridor between Denver and Boulder, sitting at roughly 5,420 feet—nearly the same elevation as downtown Denver. At climate zone 5B with 5,449 heating degree days and winter lows averaging 19°F, it gets cold enough for a fireplace to earn its keep, especially during the Front Range's abrupt cold snaps and the spring snowstorms that occasionally knock out power along the corridor. Neighborhoods from Anthem Ranch and the Broadlands to Interlocken and McKay Landing are built almost entirely on natural gas infrastructure, and Xcel Energy serves the large majority of homes here.
What sets Broomfield apart from Colorado's mountain-adjacent counties is what you won't find much of: new wood-burning fireplaces. Broomfield sits inside the Denver-Boulder region's ozone nonattainment area, and local building codes generally prohibit installing new wood-burning appliances in new construction or as a retrofit into a home that never had one—existing wood fireplaces can stay and be serviced, but gas, and to a lesser degree electric, has become the default for anyone adding or upgrading a fireplace. Pellet stoves fall under similar restrictions on new solid-fuel appliances and are rarely installed here, even though brands like Bear Mountain, Lignetics, and Forest Energy are sold elsewhere in Colorado. For Broomfield homeowners, a properly sized, correctly vented gas fireplace or insert is the most practical route to real heat—and it's also the project most local dealers are set up to do well.

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Frequently Asked Questions
How much does a gas fireplace installation cost in Broomfield County?
Expect to spend $3,800 to $9,500 for a typical gas fireplace or insert installation in Broomfield, depending on the unit, the venting path, and whether new gas line work is required. A direct-vent insert dropped into an existing masonry fireplace with a gas line already stubbed in sits at the lower end. A new built-in gas fireplace for a remodel or addition—with framing, venting, and a fresh gas line run from the meter—lands in the middle to upper range. Because Broomfield sits at roughly 5,420 feet, some appliances also need altitude-adjusted orifices, which a local installer factors into the quote rather than something you'd catch pricing at a big-box store.
Can I convert my existing wood-burning fireplace to gas?
Yes, and it's one of the more common projects in Broomfield's older neighborhoods—homes in areas like original Broomfield and Westlake that were built with wood-burning masonry fireplaces before the region's nonattainment-area rules limited new wood installs. Converting to a gas insert or gas log set uses your existing chimney as the vent path, typically with a stainless liner, and sidesteps the wood-burning restriction entirely since you're retrofitting an appliance into an existing opening rather than adding a new wood-burning unit. Conversion costs typically run $4,000 to $8,500 depending on the insert and whether the flue needs relining.
Do I need natural gas, or can I use propane?
The large majority of Broomfield homes are on Xcel Energy natural gas service, so if you already have gas appliances—a furnace, water heater, or range—adding a fireplace usually means tying into gas you already have running to the house. Propane is uncommon inside Broomfield's city limits but does show up on larger acreage lots near the county's edges toward Weld County or unincorporated Boulder County, where gas mains don't reach. Most gas fireplace models can be configured for either fuel; your installer sets the orifice and regulator to match.
Will my gas fireplace work if the power goes out?
Most modern gas fireplaces will, which matters along the US-36 corridor where spring snowstorms occasionally take down power for a day or more. Units with intermittent pilot ignition (IPI) run on a small battery backup that kicks in automatically when utility power drops, so the fireplace lights the same way it always does. Valor fireplaces go a step further—their pilot assembly generates its own electricity through the thermocouple, so there's no battery to remember at all. Worth asking about specifically if outage resilience matters to you.
What's the difference between a gas fireplace, insert, and stove?
A gas fireplace is a fully built-in unit framed into a wall, typical for new construction or larger remodels. A gas insert is sized to slide into an existing masonry fireplace opening, sealing it up and using the existing chimney as a vent chase—the common choice for Broomfield's older wood-burning fireplaces being converted over. A gas stove is a freestanding cabinet unit that sits on the floor like a wood stove but burns gas, useful in a room without an existing fireplace opening. Most Broomfield retrofits are inserts; most new-construction jobs are built-in fireplaces.
Do I need a permit for a gas fireplace in Broomfield?
Yes. As a consolidated city and county, Broomfield handles both building and gas permits through its own Building Division rather than splitting the work between a city and a separate county office, which actually simplifies things compared to many Front Range jurisdictions. You'll need a building permit for the fireplace installation and a gas permit for any new or modified gas line, and the gas line work has to be done by a licensed gas fitter. Most hearth dealers pull these permits as part of the install rather than leaving it to the homeowner.
What's the difference between vented and vent-free gas fireplaces, and does Broomfield allow both?
Vented, or direct-vent, fireplaces draw combustion air from outside and exhaust it back outside through a sealed pipe—the standard choice and the one nearly every Broomfield dealer will steer you toward. Vent-free units burn directly into the room air; Colorado allows them but with strict room-size and oxygen-depletion-sensor requirements, and given Broomfield's altitude, vent-free appliances often need to be de-rated or altitude-adjusted for reliable combustion at 5,420 feet. Between the altitude factor and the indoor air quality tradeoffs, most local installers default to direct-vent units for anything beyond a small supplemental heater.
How often does a gas fireplace need to be serviced?
Plan on an annual inspection, ideally in early fall before you're relying on it during the season's first cold snap. A technician checks the burner, pilot assembly, venting, and gas connections, and cleans the glass and interior—routine work that typically runs $150 to $250 through a local hearth service company. It's a lighter lift than chimney sweeping for wood-burning units, but skipping it is still the most common cause of pilot and ignition problems showing up mid-winter.
Since wood-burning fireplaces are restricted here, what are my real alternatives to gas?
Electric is the main other option in Broomfield, and it's a legitimate one—electric inserts and built-ins are common in townhomes and condos around Interlocken and Baseline where running new gas line or venting isn't practical, and they install in a fraction of the time with no combustion-appliance permit required, though the electrical work may still need one. Pellet stoves face the same nonattainment-area restrictions on new solid-fuel appliances that apply to wood, so they're rarely installed in Broomfield even though pellet brands like Bear Mountain, Lignetics, and Forest Energy are sold elsewhere in Colorado. For most Broomfield homeowners, it comes down to gas for real heat output and ambiance, electric where gas isn't feasible, or keeping an original wood-burning fireplace that's already in place and doesn't need replacing.
Why is my open fireplace making my house colder?
Open fireplaces suck—literally. As the fire burns, it consumes air your furnace already paid to heat and pulls it out through the chimney, so the house is actually colder after the fire goes out than before you lit it. An insert fixes this: it seals the chimney, puts fixed glass across the front, and turns that hole in your house into a real heat source.
What's the difference between radiant and convective fireplace heat?
Most fireplaces are a thin metal box—they heat fine, but you rely on the fan to move the warmth into the room. Radiant models use a thick cast-ceramic firebox, about an inch and a quarter thick, that soaks up the fire's heat and radiates roughly 25–30% more warmth into the room with no fan running. If you watch TV in the same room or want heat in a power outage, radiant is worth asking about.
Can a fireplace actually lower my heating bill?
Yes—by creating a comfort zone. A furnace heats every square foot of the house just to warm the one room you're in; a gas fireplace on low burns roughly a sixth of the gas a typical furnace does. Set the furnace around 55–60 degrees as a baseline, then heat the rooms your family actually uses. Families who heat this way commonly save $20–$60 a month.
What is an in-home preview and do I need one?
It's a visit where a hearth professional measures your space, confirms the model you picked actually works in your home, and walks the specs—framing, gas line, venting, finish work—before anything is ordered. Some details you just can't know until you see the house. Never make a down payment without one; it's the single most-skipped step that burns buyers.
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