Outdoor Fireplace Buyer's Guide: Gas vs. Wood, Freestanding vs. Built-In

An outdoor fireplace changes the character of a patio or backyard in a way nothing else does. It creates a vertical focal point, provides serious heat output, and anchors the outdoor room architecturally. It's also one of the more considered purchases in the outdoor living category — the options range from portable steel units to full masonry structures — and making the wrong choice is expensive.

This guide covers the major decision points so you can approach the purchase with a clear framework.

Gas vs. Wood: The Fundamental Choice

Gas Outdoor Fireplaces

Gas fireplaces ignite with a switch or remote, reach full flame in seconds, and turn off just as fast. There's no wood to source, no ash to manage, no smoke to deal with, and no waiting for coals to die before you can go inside. For most buyers outfitting a residential patio, gas is the right choice.

Gas fireplaces run on natural gas (with a fixed line) or liquid propane. Natural gas is the preferred option for permanent installations — you never run out of fuel and there's no tank to refill. Propane is workable for freestanding units where running a gas line isn't practical.

The flame in a gas fireplace is clean, consistent, and controlled. Modern linear gas fireplaces in particular produce a long, dramatic flame that reads well architecturally. The aesthetic is contemporary, which suits most new outdoor room designs.

Wood-Burning Outdoor Fireplaces

Wood-burning fireplaces offer what gas cannot: the crackling, the smell of real wood smoke, the ritual of building and tending a fire. For buyers who want the most authentic fireplace experience outdoors, wood is the choice.

The trade-offs are real. You need a dry hardwood supply and somewhere to store it. Burning requires building time and attention. Local regulations in many areas restrict wood burning — this is common in California, Colorado, and other high fire-risk regions. And the cleanup is ongoing: ash management, occasional chimney cleaning, and more involved maintenance.

Wood is also the less practical choice in a covered or semi-enclosed outdoor space — smoke direction is harder to control, and proximity to combustibles requires more careful installation.

If you're weighing wood primarily for aesthetics, a high-quality linear gas fireplace with realistic ceramic logs or fire glass delivers a visually compelling result without the operational overhead.

Freestanding vs. Built-In

Freestanding Outdoor Fireplaces

Freestanding outdoor fireplaces are self-contained units — typically on legs or a base — that can be placed on a patio or deck without permanent installation. Most are designed for propane, though some can be converted to natural gas.

The appeal is flexibility: no installation, no gas line, no contractor. You can reposition the fireplace, take it with you, or replace it without disrupting the patio structure. Entry-level freestanding units start around $500; quality GFRC and stainless units with a reliable burner run $1,500–$4,000.

The limitation is scale. Freestanding fireplaces are generally smaller than built-in options and don't carry the same visual weight as a permanently installed structure. They work well on smaller patios or in spaces where commitment to a permanent installation isn't warranted.

Built-In Outdoor Fireplaces

Built-in outdoor fireplaces are permanently installed structures. This includes both contractor-built masonry fireplaces and modular units designed to be set into an outdoor kitchen structure or masonry surround.

Built-in fireplaces add real property value and function as a true architectural anchor for the outdoor room. A properly installed outdoor fireplace with a stone or stucco surround is a statement — it defines the space and signals permanence.

Natural gas is the standard choice for built-in installations. The gas line is run during installation, and the unit requires no ongoing fuel management. Built-in units at the premium end include remote operation, variable flame control, and integrated blowers that push heat into the seating area.

Key Specifications to Evaluate

BTU Output

Outdoor fireplace BTU outputs typically range from 40,000 to 150,000+. For context, a residential indoor gas fireplace runs 15,000–30,000 BTU. Outdoor spaces lose heat quickly, so you need substantially more output to achieve the same warmth effect.

For a standard covered or semi-covered patio with a defined seating area: 60,000–90,000 BTU is appropriate. Open-air large spaces and cold climates benefit from 100,000+ BTU. Tabletop or compact freestanding units in the 30,000–50,000 BTU range provide ambiance but won't heat a full patio in cool weather.

Firebox Opening Size

The firebox is the viewing opening — the visible flame area. Larger fireboxes produce more visual impact but also require more BTU to fill effectively. Linear fireplaces with a wide, low opening read well from seating that runs parallel to the fireplace face. Traditional arched or rectangular openings suit more classic architectural styles.

Clearance Requirements

Outdoor fireplaces require clearance from combustibles — wood decking, fabric furniture, wood framing, pergola structures. Minimum clearances are specified in installation documentation and vary by unit. Never install near a combustible overhead structure without confirming the unit is rated for the installation configuration and clearance heights.

Covered Patio Rating

Not all outdoor fireplaces are rated for covered or partially enclosed use. If your fireplace will be installed under a pergola, patio cover, or roof overhang, confirm the unit is explicitly listed for covered outdoor use. This is a critical safety and code compliance issue, not an aesthetic one.

Material Considerations

The surround and firebox body of an outdoor fireplace faces UV, precipitation, freeze-thaw cycles, and sustained heat. Material choice determines longevity.

GFRC (Glass Fiber Reinforced Concrete) is the premium material for outdoor fireplace bodies. It handles thermal cycling, UV, and weather without cracking or fading. It's the same material used in high-end fire tables and is the right choice for a piece you intend to own for ten or more years.

Stainless steel (304 grade and above) is appropriate for modern linear designs. It weathers well but requires occasional cleaning and can show water spots in coastal or humid environments. 316-grade marine stainless is recommended within a few miles of saltwater.

Powder-coated steel should be approached with caution for outdoor fireplaces. The coating will eventually fail near sustained heat, and rust follows. It's an acceptable material for a budget freestanding unit; it's not appropriate for a permanent installation.

What to Budget

Quality outdoor fireplaces start at $1,500 for a solid freestanding propane unit and range up to $8,000–$15,000 for premium built-in gas fireplaces at the high end. A full outdoor fireplace installation including a professional masonry surround can run $10,000–$30,000 depending on materials and labor market.

As with fire tables, the math on longevity favors buying once. A GFRC outdoor fireplace that lasts fifteen years outperforms two or three replacement cycles of a budget alternative on any reasonable accounting.

Browse Outdoor Fireplaces at Oven and Ember

We carry a curated selection of premium outdoor fireplaces in both gas and wood-burning configurations — freestanding, built-in, and linear designs from brands that build products meant to last.

Browse the outdoor fireplace collection or contact us to talk through which configuration is right for your space.