Introduction
"Fire pit" covers more ground than most buying guides admit. Before any question of material, fuel, or fire media, the biggest decision is construction type: an in-ground, built-in fire pit is an excavation and masonry project, while an above-ground, pre-fabricated unit is a surface-and-weight question you can often solve in an afternoon.
This guide starts there, then works through the same material, fire media, fuel, and ignition decisions that apply across Ridgecrest's fire feature lines, and closes with the installation realities specific to fire pits — including a documentation gap (firebrick lining) that no source in Ridgecrest's research has been able to fill yet.
Not sure whether an in-ground or above-ground fire pit fits your space? Talk with a Ridgecrest Guide before you start comparing models.
Who This Guide Is For
You want a classic, open, ring- or bowl-shaped fire feature that radiates heat 360° around its perimeter — not a furniture-height dining surface.
You're weighing a permanent, built-in masonry project against a same-day, above-ground placement.
You want the material, fire media, fuel, and ignition tradeoffs laid out plainly, including the ones no source has fully resolved.
This guide is not for you if you want a wide ledge for plates and drinks at seating height — see the Fire Table Buying Guide instead.
This guide is not for you if you're set on a pool-adjacent, coping-mounted feature — see the Fire (and Water) Bowls Buying Guide instead.
Key Decision Factors
| Decision Factor | Why It Matters | Questions to Ask |
|---|---|---|
| Construction type: in-ground vs. above-ground | The single most consequential decision in this category — it determines whether you're taking on an excavation/masonry project or a surface-and-weight placement. | Do I want a permanent, built-in feature, or something I could someday move? Am I comfortable with an excavation project, or do I want same-day placement? |
| Size | Sizing figures genuinely conflict across sources — don't anchor to one "standard" diameter. | How many people do I want seated around it, and how much patio space do I actually have? |
| Shell material (pre-fabricated units) | Drives price tier, weathering behavior, weight, and the maintenance commitment. | Am I near saltwater? Do I want a finish that stays looking new, or one that develops a natural patina? |
| Fire media | Shapes appearance, heat character, and cost — and safety always rules out ordinary river rock. | Do I prefer a natural stone look or a reflective glass look? |
| Fuel & ignition | Determines permanence, ongoing cost, and lighting convenience. | Is placement permanent or portable? Do I have an outdoor GFCI outlet available? |
| Weight & delivery | Above-ground units run roughly 150–900+ lbs depending on material; large units may need forklift placement. | Can my delivery access path and my existing patio substrate handle this weight class? |
Product Comparison Criteria
| Criterion | What to Compare | Tradeoffs / Interpretation |
|---|---|---|
| In-ground vs. above-ground | Cost, permanence, and effort. | In-ground runs roughly $300–5,000+ (professionally built, $2,500–5,000), has a decades-long lifespan, low ongoing maintenance, and can handle larger fires (over 3 ft). Above-ground runs roughly $100–1,500, is fully movable, shows wear within 3–5 years, and is limited to roughly 1–2 ft bowls. These figures are single-sourced — treat as illustrative, not fixed. |
| Base/foundation prep (in-ground only) | Excavation depth and drainage layer. | Two specs exist that are complementary but not cross-corroborated: a simpler 6–12 in. excavation, or a more granular two-layer crushed-stone-plus-pea-gravel approach. No source gives a firebrick-lining specification — a genuine, unfilled gap, not a withheld fact. |
| Body material (pre-fab units) — GFRC vs. powder-coat vs. stainless vs. copper | Same four-material comparison used across Ridgecrest's fire feature lines. | Same disclosed conflicts as fire tables: GFRC's heat-cracking/resealing dispute, stainless's heat-patina contradiction, and copper's patina-timeline/dent-resistance disputes. |
| Fire media — lava rock vs. fire glass | Appearance, cost, heat character. | Same unresolved heat-radiance conflict found across every fire feature category — fire glass is claimed to radiate 3–4x more heat, while lava rock is separately described as an excellent heat-retaining insulator. Lava rock is cheaper; fire glass costs more per bag. |
| Fuel — natural gas vs. propane | Installation type and ongoing cost. | Same propane-vs-natural-gas tradeoff as every gas fire feature; natural gas installation cost estimates span roughly 3–6x across sources. |
| Ignition — five-type taxonomy | Manual to fully automatic. | Same tradeoffs found across the portfolio — see our article Fueling and Igniting Fire Features for the full comparison. |
Installation Considerations
Treat in-ground and above-ground fire pits as two different projects: an excavation/masonry job, or a surface-and-weight placement — not one undifferentiated "fire pit installation" process.
For above-ground units on an existing patio, evaluate the substrate's original compaction, not just the visible surface — it may not have been designed to bear several hundred pounds of concrete or stone.
No confirmed firebrick-lining specification exists for in-ground pits in any source Ridgecrest reviewed — don't assume this has been settled; ask your installer or the catalog team directly if it matters to your project.
Follow ember/spark safety guidance (a spark screen with openings no larger than ½ in., a 5-ft debris-clearing radius, a 3-ft people/pet buffer during use) as good practice — it traces to a single vendor source, not a verified universal standard.
Confirm which clearance rule applies to your unit: an open, uncontained fire exceeding NFPA 1's recreational-fire size threshold can require 20–25+ ft clearance in some jurisdictions, while a contained, manufactured fire pit is typically held to a lower standard.
Use weight bands to plan delivery: roughly 150–220 lb for small aluminum/steel units, 250–400 lb for common concrete units, and 500–900+ lb for large concrete units, which may require a forklift to place.
Gas line connections and electronic-ignition electrical work require a licensed professional; check permitting layers before installation.
Ridgecrest Recommendations
| Recommendation | Best Fit / Conditions | Basis & Tradeoffs | Qualification / Exception |
|---|---|---|---|
| Choose above-ground/pre-fabricated if you want fire this season without an excavation project. | Renters, frequent movers, and smaller budgets. | Same-day placement and a lower cost floor. | Shorter lifespan and more frequent maintenance than an in-ground pit. |
| Choose in-ground/built-in if you're a long-term homeowner wanting a larger, permanent gathering feature. | Homeowners entertaining larger groups over many years. | Decades-long lifespan, larger fire capacity, and lower long-term maintenance. | Higher upfront cost and effort; confirm firebrick-lining approach with your installer, since no standard specification was found in Ridgecrest's research. |
| For heavy pre-fabricated units on an existing patio, ask about substrate age before buying. | Anyone placing a 400+ lb unit on hardscape they didn't just install. | The existing-substrate evaluation caution — a heavy unit needs a properly compacted base underneath, not just an intact visible surface. | Low-controversy but single-sourced guidance. |
| Match fuel and ignition to permanence, the same way you would for any other fire feature. | Customers undecided on fuel. | Fuel and ignition are independent, fully combinable decisions. | Outlet-powered or hardwired electronic ignition won't fire during a power outage. |
Ready to find the right fire pit for your space? Book a complimentary pre-purchase consultation with Ridgecrest Guide Service™ and we'll walk through construction, material, and fuel together.
Frequently Asked Questions
| Question | Short Answer |
|---|---|
| What is a fire pit? | An open, ring- or bowl-shaped fire feature with no surrounding structure, radiating heat 360° around its perimeter. |
| What should I consider when preparing to install a fire pit? | Whether it's in-ground or above-ground — they're genuinely different projects — plus substrate evaluation and clearance. |
| What is a fire feature's heating capacity (BTU)? | A manufacturer-published specification, not independently tested. |
| What are fire features made of? | Six recurring materials, each with its own tradeoffs and, in several cases, a disclosed but unresolved conflict. |
| What is fire media (lava rock and glass rock)? | The heat-safe decorative fill inside the burner pan — never substitute ordinary, untested rock. |
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