Comparison: Best Zero Clearance Gas Fireplace (Updated | Dec 19th)
Transform your living space into a cozy haven with the perfect zero-clearance gas fireplace! These versatile heating solutions offer the warmth and ambiance of a traditional fireplace without the hassle of extensive renovations. Whether you’re renovating an existing room or building a new home, zero-clearance gas fireplaces provide flexibility, efficiency, and stunning visual appeal. But with so many options on the market, how do you choose the right one? We’ve done the research to bring you the top contenders that balance performance, style, and value for your home.
Editor’s Choice
Best for a specific purpose
- Best for remote controlled: Duluth Forge Dual Fuel Ventless Gas Fireplace Insert
- Best for thermostat regulated: Duluth Forge Dual Fuel Ventless Gas Fireplace Insert
- Best for mantel with remote: Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32
- Best for thermostat mantel: Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32
- Best for stylish thermostat: Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32
- Best for linear wall mount: Duluth Forge Ventless Linear Wall Gas Fireplace – 26
- Best for outdoor stainless: Duluth Forge 24
- Best for realistic logs: Duluth Forge DLS-30R-1 Dual Fuel Ventless Fireplace Logs Set with Remote Control
- Best for premium mantel: Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32
- Best for outdoor reflective: Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24
Product Comparison: Best Zero Clearance Gas Fireplace
Remote Controlled
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Remote Control, 6 Fire Logs, Use with Natural Gas or Liquid Propane, 32000 BTU, Heats up to 1500 Sq. Ft., Black
Duluth Forge
The Duluth Forge Dual Fuel Ventless Gas Fireplace Insert offers exceptional heating power and versatility for any home. With its innovative dual fuel technology, you can choose between natural gas or liquid propane to operate this 32,000 BTU unit that efficiently heats up to 1,500 square feet. The zero-clearance design allows for flexible installation without requiring a chimney or outside duct. The realistic hand-painted ceramic logs, mesh double doors, and sprayed brick liner create an authentic fireplace appearance. The included remote control with LCD screen allows for convenient operation from anywhere in the room. Safety features include push-button Piezo ignition and a standing pilot that allows the remote to control the flame. This insert combines powerful heating capability with stylish aesthetics to transform any living space into a cozy retreat.
✓ Reasons to Buy
- Dual fuel flexibility
- Heats large areas efficiently
- Realistic ceramic logs
- Convenient remote control
- Zero-clearance installation
✗ Reasons Not to Buy
- Requires specific ceiling clearance
- Heavy at 69.5 pounds
- Manual flame adjustment only
Thermostat Regulated
Duluth Forge Dual Fuel Ventless Gas Fireplace Insert, Thermostat Control, 6 Fire Logs, Use with Natural Gas or Liquid Propane, 32000 BTU, Heats up to 1500 Sq. Ft., Black
Duluth Forge
Experience ultimate comfort with the Duluth Forge Dual Fuel Ventless Gas Fireplace Insert featuring thermostat control. This powerful 32,000 BTU unit efficiently heats up to 1,500 square feet using either natural gas or liquid propane, offering flexibility for different home setups. The standout feature is the easy-to-use thermostat that automatically cycles the fireplace on and off to maintain your desired room temperature, providing consistent comfort without constant manual adjustment. The realistic hand-painted ceramic logs, mesh double doors, and sprayed brick liner create an authentic fireplace ambiance. With its zero-clearance design, this ventless fireplace can be installed against or recessed into any wall accessible to a gas line, making it perfect for homes without existing chimneys. Safety features include push-button Piezo ignition and a standing pilot for reliable operation.
✓ Reasons to Buy
- Convenient thermostat control
- Dual fuel compatibility
- Maintains consistent temperature
- Zero-clearance installation
- Heats up to 1500 sq ft
✗ Reasons Not to Buy
- No remote control included
- Heavy at 69.5 pounds
- Requires specific ceiling clearance
Mantel with Remote
Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, Remote Control, Slate Gray Finish – Model# DFS-400R-2GR
Duluth Forge
Transform your living space with the Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel, a complete heating solution that combines functionality with elegant design. This powerful 32,000 BTU system efficiently heats up to 1,500 square feet using either natural gas or liquid propane, offering flexibility for different home configurations. The furniture-grade mantel features light distressing and burnishing on edges, adding character and sophistication to any room. The six hand-painted ceramic logs, double doors, and sprayed brick liner create a realistic fireplace experience. Control the unit conveniently with the included remote that features an LCD screen and allows toggling between manual and thermostat modes. Safety is paramount with the battery-assisted Piezo ignition and built-in oxygen depletion sensor that immediately shuts down the system if carbon monoxide or lack of oxygen is detected. This complete fireplace system delivers both warmth and style to enhance your home’s comfort and aesthetic appeal.
✓ Reasons to Buy
- Includes stylish mantel
- Remote with thermostat option
- Enhanced safety features
- Dual fuel compatibility
- Complete fireplace system
✗ Reasons Not to Buy
- Larger footprint required
- Higher initial investment
- Limited color options
Thermostat Mantel
Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, T-Stat. Control, Auburn Cherry Finish – Model# DFS-400T-2AC
Duluth Forge
The Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel offers powerful heating with 32,000 BTU capacity, warming up to 1,500 sq ft. Its dual fuel capability allows operation on either liquid propane or natural gas, providing flexibility for different homes. The thermostat control ensures consistent comfort by automatically cycling on and off. Safety features include an Oxygen Depletion Sensor for automatic shut off. The Auburn finish adds warmth to any room, while the 44.25″W x 17″D x 44″H dimensions make it suitable for various spaces. This ventless design eliminates the need for chimney installation, making it perfect for zero clearance applications.
✓ Reasons to Buy
- Dual fuel flexibility
- Powerful heating capacity
- Thermostat control
- Safety features included
- No chimney needed
✗ Reasons Not to Buy
- Heavy to move
- Professional installation recommended
- Limited color options
Stylish Thermostat
Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, T-Stat Control, Slate Gray Finish – Model# DFS-400T-2GR
Duluth Forge
This Duluth Forge Dual Fuel Ventless Gas Fireplace combines functionality with elegant design. The patented dual fuel technology allows operation on natural gas or liquid propane, heating up to 1,500 sq ft with 32,000 BTU power. The thermostat control maintains your desired temperature automatically. Six hand-painted ceramic logs create a realistic flame effect, while the furniture-grade mantel with light distressing adds sophistication. The double mesh doors and sprayed brick liner complete the authentic fireplace appearance. Safety features include oxygen depletion sensor and piezo ignition. At 45″W x 45″D x 15″H, it requires 42″ clearance to ceiling, making it ideal for zero clearance installations.
✓ Reasons to Buy
- Realistic ceramic logs
- Furniture-grade mantel
- Dual fuel technology
- Thermostat control
- Complete safety features
✗ Reasons Not to Buy
- Requires ceiling clearance
- Heavy at 161 lbs
- Professional installation needed
Linear Wall Mount
Duluth Forge Ventless Linear Wall Gas Fireplace – 26,000 BTU, T-STAT, Model DF300L
Duluth Forge
The Duluth Forge Ventless Linear Wall Gas Fireplace offers a sleek, modern heating solution with 26,000 BTU capacity, warming up to 1,400 sq ft. Its linear design provides a contemporary aesthetic perfect for modern homes. The dual fuel technology allows operation on either natural gas or liquid propane. Thermostat control maintains consistent temperature automatically. The hand-painted ceramic logs create a realistic flame effect behind the protective mesh screen. Safety features include oxygen depletion sensor and piezo ignition. At 27.95″W x 18.05″D x 7.84″H, it requires 36″ clearance to ceiling, making it ideal for rooms with limited space where a traditional fireplace wouldn’t fit.
✓ Reasons to Buy
- Sleek linear design
- Space-saving dimensions
- Dual fuel flexibility
- Thermostat control
- Modern aesthetic
✗ Reasons Not to Buy
- Lower BTU output
- Limited heating area
- Minimalist design not traditional
Outdoor Stainless
Duluth Forge 24,000 BTU Vent Free Stainless Steel Outdoor Gas Fireplace Insert with Fire Glass Media and Log Set, Manual Control, Natural Gas, Assembled in The USA
Duluth Forge
The Duluth Forge 24,000 BTU Vent Free Stainless Steel Outdoor Gas Fireplace Insert combines functionality with style. This American-assembled unit features a 304 Stainless Steel Sloped H-Burner that delivers optimal heat output for your outdoor space. The manual control allows for customizable heat settings, creating the perfect atmosphere for any gathering. The fireplace comes with both fire glass media and a log set for a stunning visual appeal. Safety is paramount with the Battery Assisted Piezo ignition and Built-in pilot oxygen depletion sensor (ODS) that automatically shuts down the heater if carbon monoxide or lack of oxygen is detected, ensuring worry-free operation.
✓ Reasons to Buy
- High efficiency heating
- Stainless steel construction
- Dual media options
- Built-in safety features
- Made in USA
✗ Reasons Not to Buy
- Manual control only
- Limited to outdoor use
- Requires ventilation
Realistic Logs
Duluth Forge DLS-30R-1 Dual Fuel Ventless Fireplace Logs Set with Remote Control, Use with Natural Gas or Liquid Propane, 33000 BTU, Split Red Oak, 30 Inches
Duluth Forge
Transform your existing fireplace with the Duluth Forge DLS-30R-1 Dual Fuel Ventless Fireplace Logs Set. This innovative product features patented dual fuel technology, allowing you to use either Natural Gas or Liquid Propane. The 33,000 BTU vent-free gas burner operates at 99.9% efficiency without requiring an outside duct or chimney. The set includes nine hand-painted realistic Split Red Oak logs crafted from superior refractory ceramics for longevity. The included remote control allows you to turn the burner on/off and toggle between manual and thermostat control. Safety features include a Battery-assisted Piezo ignition with an oxygen depletion sensor (ODS) for peace of mind.
✓ Reasons to Buy
- Dual fuel compatibility
- Remote control operation
- Realistic log appearance
- High energy efficiency
- No chimney required
✗ Reasons Not to Buy
- Limited to existing fireplaces
- Professional installation recommended
- Higher initial cost
Premium Mantel
Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel – 32,000 BTU, T-Stat Control, Antique White Finish – Model# DFS-400T-2AW
Duluth Forge
The Duluth Forge Dual Fuel Ventless Gas Fireplace with Mantel offers a complete heating solution with elegant aesthetics. This 32,000 BTU vent-free system can heat up to 1,500 sq. ft. and operates on either Natural Gas or Liquid Propane. The thermostat control automatically cycles the fireplace on and off to maintain your desired temperature. The unit features six hand-painted ceramic fiber logs and a furniture-grade mantel with light distressing and burnishing for an antique look. Double mesh doors and a sprayed brick liner complete the stylish appearance. Safety features include a Battery-assisted Piezo ignition with an oxygen depletion sensor (ODS).
✓ Reasons to Buy
- Heats large areas
- Thermostat control
- Complete mantel system
- Dual fuel flexibility
- Realistic flame appearance
✗ Reasons Not to Buy
- Heavy at 162 lbs
- Requires ceiling clearance
- Large footprint
Outdoor Reflective
Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert with Reflective Crystal Glass Media – 24,000 BTU, Manual Control – Model# DF450SS-G
Duluth Forge
Elevate your outdoor living space with the Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert. Proudly assembled in the USA using high-quality materials, this fireplace features a 24,000 BTU 304 grade stainless steel H-Burner. It operates on Natural Gas (factory configured) or Liquid Propane with the included conversion kit. The manual on/off control valve and battery-assisted Piezo igniter ensure easy operation. The glass media burner pan creates a beautiful bed of flames enhanced by the included Premium Reflective Crystal Fire Glass. With its slim profile, this fireplace takes up less living space while still providing impressive warmth and ambiance.
✓ Reasons to Buy
- Premium crystal fire glass
- Dual fuel capability
- Stainless steel construction
- Made in USA
- Slim profile design
✗ Reasons Not to Buy
- Manual control only
- Outdoor use only
- Requires proper installation
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Buying Guide
FAQs
What is a zero clearance gas fireplace?
A zero clearance gas fireplace can be installed directly against combustible materials like wood or drywall, making it ideal for tight spaces. Unlike traditional fireplaces, it doesn’t require a masonry chimney, offering flexibility in placement. These units are designed for safety and efficiency, often with venting options like direct vent or vent-free.
What features should I prioritize when choosing one?
Look for high efficiency ratings, adjustable flame settings, and realistic log or media options. Remote controls, thermostats, and programmable timers add convenience. Safety features like oxygen depletion sensors (ODS) are crucial, especially for vent-free models.
How do direct vent and vent-free models differ?
Direct vent models draw air from outside and exhaust fumes outdoors, making them safer and more efficient. Vent-free models release heat directly into the room but require proper ventilation to avoid air quality issues. Direct vent units are more expensive but offer better air quality and flexibility in installation.
What size fireplace do I need for my room?
Measure the room’s square footage and choose a fireplace with a BTU output that matches the space. Oversized units can overheat small rooms, while undersized ones may not provide enough warmth. Most manufacturers provide sizing guides to help you select the right model.
Are zero clearance gas fireplaces energy-efficient?
Yes, many models offer high efficiency ratings, often exceeding 70-80%, especially direct vent units. They convert most of the gas into usable heat, reducing energy waste compared to traditional wood fireplaces. Look for ENERGY STAR-rated models for maximum efficiency.
How much does installation typically cost?
Installation costs vary based on the model, venting type, and labor rates, ranging from $1,500 to $5,000 or more. Direct vent units may require additional venting work, increasing costs. Always factor in professional installation to ensure safety and compliance with local codes.
Can I install a zero clearance gas fireplace myself?
While some DIY enthusiasts may attempt installation, it’s recommended to hire a certified professional. Proper venting, gas line connections, and compliance with building codes are critical for safety. Incorrect installation can void warranties and pose serious risks.
What maintenance is required for these fireplaces?
Annual inspections and cleaning are recommended to ensure optimal performance and safety. Check the pilot light, burners, and vents for debris or blockages. Vent-free models may need more frequent cleaning to prevent soot buildup.