Skip to content

NO SALES TAX & FREE SHIPPING On Most Orders! NOW OPEN 7 DAYS A WEEK, 9AM-7PM EST (800) 923-4556

NO SALES TAX & FREE SHIPPING On Most Orders! Need assistance? Talk to an Expert at (800) 923-4556 Or Chat With Us! OPEN 7 DAYS A WEEK, 9 AM TO 9 PM EST

Flame Authority

Search Account 0 Cart

FIREPLACES

POPULAR BRANDS
Dimplex Empire Stove Empire White Mountain Hearth Majestic Modern Flames Monessen Napoleon Osburn Real Fyre Simplifire Superior Fireplaces View All ❱❱
FIREPLACES
Gas Fireplaces Electric Fireplaces Wood Burning Fireplaces Fireplace Burners Fireplace Accessories
OUTDOOR FIREPLACES
Outdoor Vent Free Fireplaces Outdoor Gas Fireplaces Outdoor Wood Burning Fireplaces Outdoor See Through Fireplaces View All
FIREBOXES & INSERTS
Fireplace Inserts Fireboxes View All
STOVES
Gas Stoves Wood-Burning Stoves Pellet Stoves Stove Accessories View All
LOG SETS
Vent Free Gas Logs Set Vented Gas Log Sets View All
FIREPLACE & HEARTH ACCESSORIES
Fireplace Accessories Hearth Accessories Mantels Surrounds View All
FIRE PITS

POPULAR BRANDS
Empire White Mountain Hearth Firegear Fire Garden Fire Pit Art Grand Canyon HPC Fire The Outdoor Plus View All
FIRE PITS
Fire Pits Fire Pit Tables Fire Pit Inserts Fire Pit Bowls View All
FIRE PIT BURNER SYSTEMS AND KITS
Linear Burners H Burners Rectangular Burners Penta Burners Round Burners T Burners View All
ACCESSORIES
Fire Pit Accessories
HEATERS

Popular Brands
Bromic Buck Stove Dimplex Empire Heating Systems Infratech IR Energy Patio Comfort Schwank Sunpak SunStar
Heaters By Product Type
Floor Furnaces Infrared Heaters Outdoor Heaters Room Heaters Wall Furnaces
Heaters By Installation Type
Built-In Ceiling Mounted Drop Pole Mounted Flush Mounted Freestanding Post Mounted Recessed Wall Mount
BTU Range
0 - 20,000 BTU 20,000 - 40,000 BTU 40,000 - 60,000 BTU 60,000 - 80,000 BTU
BBQ GRILLS

GRILLS TYPE
Built-In Grills Hybrid Grills Portable Grills Post Mount Grills Kamado Grills Freestanding Grills Pellet Grills BBQ Islands View All
GRILLS BY FUEL TYPE
Gas Grills Electric Grills Charcoal Grills Propane Grills View All
GRILL ACCESSORIES
Grill Burners Doors, Drawers & Cabinets Grill Covers Grills Carts Coolers Vent Hoods View All
GRIDDLES
Gas Griddles Electric Griddles View All
OUTDOOR KITCHEN

ISLAND GRILLS
Mont Alpi Fire Magic American Outdoor Grill (AOG) View All
ISLAND COMPONENTS
Built-In Grills Burners Doors, Drawers, Cabinets Vent Hoods View All
COOLERS
Beverage Centers Wine Coolers Refrigerators Ice Makers View All
PIZZA OVENS
Gas Pizza Ovens Wood Burning Pizza Ovens View All
PRO-TRADE
Learning Center
Shop All

Add order note Close

Subtotal

$0.00

One or more of the items in your cart is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.

Shipping, taxes, and discount codes calculated at checkout.

Your cart is currently empty.

PRO-TRADE
Learning Center
Shop All

Get 5% off your first purchase.

Sign up today, and we'll send you a 5% discount code toward your first purchase.

Enter your email

Instagram
Facebook
YouTube
Twitter
Pinterest

Home / Collections /

Built-in Firebox Fireplaces

104 products

American Hearth (12)
Astria (15)
Buck Stove (2)
Dimplex (25)
Heatmaster (6)
Kingsman (5)
Majestic (1)
Mason-Lite (11)
Monessen (3)
Superior Fireplaces (10)
The Bio Flame (14)

Fireplaces (104)

Fireboxes (104)
Water Vapor Fireplaces (2)

Indoor (98)
Outdoor (28)

Electric (30)
Ethanol (14)
Liquid Propane (32)
Natural Gas (60)

Linear (3)
Portrait (8)
See Through (14)
Single Sided (77)

Built-In (103)
Recessed (7)
Wall Mounted (1)

0-20000 (24)
20000-40000 (18)
40000-60000 (4)

B-Vent (4)
Direct Vent (1)
Vent Free (94)
Vented (5)

104 products

Sort

Heatmaster Vent Free Big Mouth Firebox 42" w/Herringbone liner HVFBM42

Heatmaster Vent Free Big Mouth Firebox 42" w/Herringbone liner HVFBM42

Sale price$2,055⁹⁰ $2,055.90 Regular price $2,778²⁴ $2,778.24 Save 26%

American Hearth 36" Lincoln Premium Vent-Free See-Through Firebox VFP36SP32E Fireplace, Gas, American Hearth, Vent Free, Natural Gas, Propane, Indoor, 30-39, Banded Brick, See-Through, Traditional, Millivolt VFP36SP32EP Flame Authority

American Hearth 36

American Hearth 36-inch Lincoln Premium Vent-Free See-Through Firebox VFP36SP32E

American Hearth

Sale price$2,869⁰⁰ $2,869.00 Regular price $3,873¹⁵ $3,873.15 Save 26%

American Hearth 36" Lincoln Premium Vent-Free Peninsula Firebox VFP36PP32E Fireplace, Gas, American Hearth, Vent Free, Natural Gas, Propane, Indoor, 30-39, Banded Brick, See-Through, Peninsula, Traditional, Millivolt VFP36PP32EP Flame Authority

American Hearth 36

American Hearth 36-inch Lincoln Premium Vent-Free Peninsula Firebox VFP36PP32E

American Hearth

Sale price$2,869⁰⁰ $2,869.00 Regular price $3,873¹⁵ $3,873.15 Save 26%

American Hearth 36" Jefferson Premium Vent-Free See-Thru Firebox VFP36SB2 Fireplace, Gas, American Hearth, Vent Free, Natural Gas, Propane, Indoor, 30-39, See-Through, Traditional, Gas Firebox VFP36SB2EF Flame Authority

American Hearth 36

American Hearth 36-inch Jefferson Premium Vent-Free See-Thru Firebox VFP36SB2

American Hearth

Sale price$1,899⁰⁰ $1,899.00 Regular price $2,563⁶⁵ $2,563.65 Save 26%

American Hearth 36" Jefferson Premium Vent-Free Peninsula Firebox VFP36PB2E Fireplace, Gas, American Hearth, Vent Free, Natural Gas, Propane, Indoor, 30-39, Peninsula, See-Through, Traditional, Gas Firebox VFP36PB2EF Flame Authority

American Hearth 36

American Hearth 36-inch Jefferson Premium Vent-Free Peninsula Firebox VFP36PB2E

American Hearth

Sale price$1,839⁰⁰ $1,839.00 Regular price $2,482⁶⁵ $2,482.65 Save 26%

Empire White Mountain Hearth Carol Rose Coastal Collection 42" Outdoor Firebox OP42FB2MF

Empire White Mountain Hearth Carol Rose Coastal Collection 42

American Hearth 42-inch Carol Rose Coastal Firebox OP42FB2MF

American Hearth

Sale price$1,749⁰⁰ $1,749.00 Regular price $2,361¹⁵ $2,361.15 Save 26%

American Hearth 36-inch Carol Rose Coastal Firebox OP36FB2MF Fireplaces OP36FB2MF Flame Authority

American Hearth 36-inch Carol Rose Coastal Firebox OP36FB2MF Fireplaces OP36FB2MF Flame Authority

American Hearth 36-inch Carol Rose Coastal Firebox OP36FB2MF

American Hearth

Sale price$1,599⁰⁰ $1,599.00 Regular price $2,158⁶⁵ $2,158.65 Save 26%

Dimplex Revillusion 42-inch Weathered Concrete Built-In Electric Firebox RBF42WC-FG Fireplaces RBF42WC-FG Flame Authority

Dimplex Revillusion 42-inch Weathered Concrete Built-In Electric Firebox RBF42WC-FG Fireplaces RBF42WC-FG Flame Authority

Dimplex Revillusion 42-inch Weathered Concrete Built-In Electric Firebox RBF42WC-FG

Sale price$2,749⁹⁹ $2,749.99 Regular price $3,716²⁰ $3,716.20 Save 26%

Dimplex Revillusion 42-inch Herringbone Built-In Electric Firebox RBF42-FG Fireplaces RBF42-FG Flame Authority

Dimplex Revillusion 42-inch Herringbone Built-In Electric Firebox RBF42-FG Fireplaces RBF42-FG Flame Authority

Dimplex Revillusion 42-inch Herringbone Built-In Electric Firebox RBF42-FG

Sale price$2,749⁹⁹ $2,749.99 Regular price $3,716²⁰ $3,716.20 Save 26%

Dimplex Revillusion 36-inch Weathered Concrete Built-In Electric Firebox RBF36PWC-FG Fireplaces RBF36PWC-FG Flame Authority

Dimplex Revillusion 36-inch Weathered Concrete Built-In Electric Firebox RBF36PWC-FG Fireplaces RBF36PWC-FG Flame Authority

Dimplex Revillusion 36-inch Weathered Concrete Built-In Electric Firebox RBF36PWC-FG

Sale price$2,439⁹⁹ $2,439.99 Regular price $3,297²⁸ $3,297.28 Save 26%

Dimplex Revillusion 36-inch Herringbone Built-In Electric Firebox RBF36P-FG Fireplaces RBF36P-FG Flame Authority

Dimplex Revillusion 36-inch Herringbone Built-In Electric Firebox RBF36P-FG Fireplaces RBF36P-FG Flame Authority

Dimplex Revillusion 36-inch Herringbone Built-In Electric Firebox RBF36P-FG

Sale price$2,439⁹⁹ $2,439.99 Regular price $3,297²⁸ $3,297.28 Save 26%

Dimplex 36-inch Revillusion Weathered Concrete Firebox with Front Glass and Plug Kit RBF36WC-FG Fireplaces RBF36WC-FG Flame Authority

Dimplex 36-inch Revillusion Weathered Concrete Firebox with Front Glass and Plug Kit RBF36WC-FG Fireplaces RBF36WC-FG Flame Authority

Dimplex 36-inch Revillusion Weathered Concrete Firebox with Front Glass and Plug Kit RBF36WC-FG

Sale price$2,399⁹⁹ $2,399.99 Regular price $3,243²³ $3,243.23 Save 26%

Dimplex 36-inch Revillusion Built-In Firebox with Front Glass and Plug Kit RBF36-FG Fireplaces RBF36-FG Flame Authority

Dimplex 36-inch Revillusion Built-In Firebox with Front Glass and Plug Kit RBF36-FG Fireplaces RBF36-FG Flame Authority

Dimplex 36-inch Revillusion Built-In Firebox with Front Glass and Plug Kit RBF36-FG

Sale price$2,399⁹⁹ $2,399.99 Regular price $3,243²³ $3,243.23 Save 26%

Dimplex 30-inch Revillusion Built-In Firebox with Front Glass and Plug-Kit RBF30WC-FG Fireplaces RBF30WC-FG Flame Authority

Dimplex 30-inch Revillusion Built-In Firebox with Front Glass and Plug-Kit RBF30WC-FG Fireplaces RBF30WC-FG Flame Authority

Dimplex 30-inch Revillusion Built-In Firebox with Front Glass and Plug-Kit RBF30WC-FG

Sale price$1,959⁹⁹ $1,959.99 Regular price $2,648⁶⁴ $2,648.64 Save 26%

Dimplex 30-inch Revillusion Built-in Electric Herringbone Firebox RBF30-FG Fireplaces RBF30-FG Flame Authority

Dimplex 30-inch Revillusion Built-in Electric Herringbone Firebox RBF30-FG Fireplaces RBF30-FG Flame Authority

Dimplex 30-inch Revillusion Built-in Electric Herringbone Firebox RBF30-FG

Sale price$1,959⁹⁹ $1,959.99 Regular price $2,648⁶⁴ $2,648.64 Save 26%

American Hearth 42-inch Jefferson Select Vent-Free Firebox VFS42FB0F Fireplaces VFS42FB0F Flame Authority

American Hearth 42-inch Jefferson Select Vent-Free Firebox VFS42FB0F Fireplaces VFS42FB0F Flame Authority

American Hearth 42-inch Jefferson Select Vent-Free Firebox VFS42FB0F

American Hearth

Sale price$1,039⁰⁰ $1,039.00 Regular price $1,402⁶⁵ $1,402.65 Save 26%

American Hearth 42-inch Jefferson Premium Vent-Free Firebox VFP42FB0 Fireplaces VFP42FB0F Flame Authority

American Hearth 42-inch Jefferson Premium Vent-Free Firebox VFP42FB0 Fireplaces VFP42FB0L Flame Authority

American Hearth 42-inch Jefferson Premium Vent-Free Firebox VFP42FB0

American Hearth

Sale price$949⁰⁰ $949.00 Regular price $1,281¹⁵ $1,281.15 Save 26%

American Hearth 42-inch Jefferson Deluxe Vent-Free Firebox VFD42FB Fireplaces VFD42FB0F Flame Authority

American Hearth 42-inch Jefferson Deluxe Vent-Free Firebox VFD42FB Fireplaces VFD42FB0L Flame Authority

American Hearth 42-inch Jefferson Deluxe Vent-Free Firebox VFD42FB

American Hearth

from $809⁰⁰ from $809.00 Regular price $1,092¹⁵ $1,092.15 Save 26%

American Hearth 36-inch Jefferson Select Vent-Free Firebox VFS36FB0F Fireplaces VFS36FB0F Flame Authority

American Hearth 36-inch Jefferson Select Vent-Free Firebox VFS36FB0F Fireplaces VFS36FB0F Flame Authority

American Hearth 36-inch Jefferson Select Vent-Free Firebox VFS36FB0F

American Hearth

Sale price$969⁰⁰ $969.00 Regular price $1,308¹⁵ $1,308.15 Save 26%

American Hearth 36-inch Jefferson Premium Vent-Free Firebox VFP36FB0 Fireplaces VFP36FB0F Flame Authority

American Hearth 36-inch Jefferson Premium Vent-Free Firebox VFP36FB0 Fireplaces VFP36FB0L Flame Authority

American Hearth 36-inch Jefferson Premium Vent-Free Firebox VFP36FB0

American Hearth

Sale price$849⁰⁰ $849.00 Regular price $1,146¹⁵ $1,146.15 Save 26%

American Hearth 36-inch Jefferson Deluxe Vent-Free Firebox VFD36FB Fireplaces VFD36FB0F Flame Authority

American Hearth 36-inch Jefferson Deluxe Vent-Free Firebox VFD36FB Fireplaces VFD36FB0L Flame Authority

American Hearth 36-inch Jefferson Deluxe Vent-Free Firebox VFD36FB

American Hearth

from $689⁰⁰ from $689.00 Regular price $930¹⁵ $930.15 Save 26%

Astria Orion LR 42" Vent-Free Firebox ORIONLR42

Astria Orion LR 42

Astria 42 inch Orion LR Vent-Free Firebox ORIONLR42

from $1,209⁰⁰ from $1,209.00 Regular price $1,632¹⁵ $1,632.15 Save 26%

Astria Orion LR 36" Vent-Free Firebox ORIONLR36

Astria Orion LR 36

Astria 36 inch Orion LR Vent-Free Firebox ORIONLR36

from $1,049⁰⁰ from $1,049.00 Regular price $1,416¹⁵ $1,416.15 Save 26%

Astria Orion LR 32" Vent-Free Firebox ORIONLR32

Astria Orion LR 32

Astria 32 inch Orion LR Vent-Free Firebox ORIONLR32

from $999⁰⁰ from $999.00 Regular price $1,348⁶⁵ $1,348.65 Save 26%

Astria Orion 42" Vent-Free Firebox Orion42

Astria Orion 42

Astria 42 inch Orion Vent-Free Firebox Orion42

from $1,159⁰⁰ from $1,159.00 Regular price $1,564⁶⁵ $1,564.65 Save 26%

Astria Orion 36" Vent-Free Firebox Orion36

Astria Orion 36

Astria 36 inch Orion Vent-Free Firebox Orion36

from $1,049⁰⁰ from $1,049.00 Regular price $1,416¹⁵ $1,416.15 Save 26%

Astria Orion 32" Vent-Free Firebox Orion32

Astria Orion 32

Astria 32 inch Orion Vent-Free Firebox Orion32

from $949⁰⁰ from $949.00 Regular price $1,281¹⁵ $1,281.15 Save 26%

Astria 42 inch Venetian Outdoor Vent-Free Firebox Venetian 42 Fireplaces Venetian 42 Flame Authority

Astria 42 inch Venetian Outdoor Vent-Free Firebox Venetian 42 Fireplaces Venetian 42 Flame Authority

Astria 42 inch Venetian Outdoor Vent-Free Firebox Venetian 42

Sale price$4,359⁰⁰ $4,359.00 Regular price $5,884⁶⁵ $5,884.65 Save 26%

Astria Venetian Outdoor Vent-Free Gas Fireplace | Firebox Only Flame Authority

Astria Venetian Outdoor Vent-Free Gas Fireplace | Firebox Only Flame Authority

Astria 36 inch Venetian Outdoor Vent-Free Firebox Venetian 36

Sale price$4,249⁰⁰ $4,249.00 Regular price $5,736¹⁵ $5,736.15 Save 26%

Astria 42 inch Starlite Outdoor Vent-Free Firebox STARLITE42 Fireplaces Flame Authority

Astria 42 inch Starlite Outdoor Vent-Free Firebox STARLITE42 Fireplaces Flame Authority

Astria 42 inch Starlite Outdoor Vent-Free Firebox STARLITE42

from $2,519⁰⁰ from $2,519.00 Regular price $3,400⁶⁵ $3,400.65 Save 26%

Astria Starlite Outdoor Vent-Free Gas Fireplace | Firebox Only Flame Authority

Astria Starlite Outdoor Vent-Free Gas Fireplace | Firebox Only Flame Authority

Astria 36 inch Starlite Outdoor Vent-Free Firebox STARLITE36

from $2,069⁰⁰ from $2,069.00 Regular price $2,793¹⁵ $2,793.15 Save 26%

Astria Marquee 50" Vent-Free Firebox Marquee50

Astria Marquee 50

Astria 50 inch Marquee Vent-Free Firebox Marquee50

Sale price$3,419⁰⁰ $3,419.00 Regular price $4,219⁶⁶ $4,219.66 Save 19%

Astria Marquee 42" Vent-Free Firebox Marquee42

Astria Marquee 42

Astria 42 inch Marquee Vent-Free Firebox Marquee42

Sale price$3,259⁰⁰ $3,259.00 Regular price $4,399⁶⁵ $4,399.65 Save 26%

Astria Marquee 36" Vent-Free Firebox Marquee36

Astria Marquee 36

Astria 36 inch Marquee Vent-Free Firebox Marquee36

Sale price$3,149⁰⁰ $3,149.00 Regular price $4,251¹⁵ $4,251.15 Save 26%

Astria Atlas 42" Vent-Free Firebox Atlas42

Astria Atlas 42

Astria Atlas 42 inch Vent-Free Firebox Atlas42

from $1,159⁰⁰ from $1,159.00 Regular price $1,564⁶⁵ $1,564.65 Save 26%

Astria Atlas 36" Vent-Free Firebox Atlas36

Astria Atlas 36

Astria Atlas 36 inch Vent-Free Firebox Atlas36

from $1,049⁰⁰ from $1,049.00 Regular price $1,416¹⁵ $1,416.15 Save 26%

63" Pre-Cast Masonry Firebox Kit - Mason-Lite Flame Authority

Mason-Lite 63 inch Pre-Cast Masonry Firebox Kit MFP63

Sale price$8,030⁷⁹ $8,030.79 Regular price $10,852⁴² $10,852.42 Save 26%

49" Pre-Cast Masonry Firebox Kit - Mason-Lite Flame Authority

Mason-Lite 49 inch Pre-Cast Masonry Firebox Kit MFP49

Sale price$5,449⁷⁹ $5,449.79 Regular price $7,364⁵⁸ $7,364.58 Save 26%

49" Gas B-Vent Firebox Kits - Mason-Lite Flame Authority

Mason-Lite 49 inch Gas B-Vent Firebox Kits MGFP49

Sale price$11,256⁷⁶ $11,256.76 Regular price $15,211⁸⁴ $15,211.84 Save 26%

39" Pre-Cast Masonry Firebox Kit - Mason-Lite Flame Authority

Mason-Lite 39 inch Pre-Cast Masonry Firebox Kit MFP39

Sale price$4,667⁸¹ $4,667.81 Regular price $6,307⁸⁵ $6,307.85 Save 26%

1 2 3 Next

POPULAR PRODUCTS

Fireplaces
Grills
Fire Pits & Tables
BBQ Island Grills
Pizza Ovens
Wood-Burning Stoves
Grill Accessories

SHOP WITH CONFIDENCE

Lowest Price Guaranteed
Satisfaction Guaranteed
Privacy Policy
Terms and Conditions
Shipping & Returns
Sitemap
Affiliate Program

WHO WE ARE

About Flame Authority
Contact Us
Why Buy From Us
Knowledge Base
Reviews
[PRO] Trade Program
My account

Get in touch

+1 800 923 4556
Email us
Live chat

Follow us

Instagram
Facebook
YouTube
Twitter
Pinterest

We accept

© 2025 Flame Authority Brands Learning Center Reviews Contact Us Lowest Price Guaranteed Satisfaction Guaranteed [PRO] Trade Program Affiliate Program