Best Propane for Outdoor Heaters and Patio Heaters

Choosing the right propane heater and fuel affects warmth, safety, and run time for patios, decks, and outdoor dining. Below is a quick comparison of five popular propane outdoor heaters chosen for varied power, portability, and use cases.

Product	Type / Output	Best For
Amazon Basics 46,000 BTU Outdoor Propane Patio Heater	46,000 BTU / Standing	Large patios, commercial settings
Mr. Heater Portable Buddy MH9BX	4,000–9,000 BTU / Portable	Small patios, campers, workshops
Mr. Heater 4,000–18,000 BTU Dual-Connect Unit	4,000–18,000 BTU / Portable	Variable heat zones, larger outdoor covered spaces
EAST OAK 50,000 BTU Patio Heater (Round Table)	48,000–50,000 BTU / Standing	Wide coverage, commercial or residential patios
Cuisinart Portable Tabletop Patio Heater	11,000 BTU / Tabletop	Tables, small decks, tailgates

Amazon Basics 46,000 BTU Outdoor Propane Patio Heater

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The Amazon Basics patio heater provides 46,000 BTUs of output designed to heat up to a 9-foot radius. It includes a built-in water tank base for added stability and caster wheels for mobility. The heater uses one-touch ignition and an adjustable temperature knob for control of flame intensity. Features emphasize suitability for both commercial & residential outdoor areas such as cafes and home patios. The design positions the heater as a higher-output standing unit intended for broader area coverage rather than tabletop or close-quarters use.

Mr. Heater Portable Buddy MH9BX 4,000-9,000 BTU

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This compact Mr. Heater model operates from 4,000 to 9,000 BTU and uses infrared radiant heating to warm people and objects directly. It is rated for indoor-safe operation when used with proper ventilation and is commonly specified for campers, workshops, job sites, and patios. Safety enhancements include a tip-over switch that audibly engages and an internal Piezo igniter for match-free starts. The Buddy design favors portability and efficient short-range heating for spaces up to about 225 sq. ft.

Mr. Heater 4,000 To 18,000 BTU Dual Tank Connection Unit

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The Mr. Heater 3-setting unit offers 4,000, 9,000 or 18,000 BTU settings and supports connection to larger tanks with an optional hose for extended runtime. Its heat coverage is stated up to 450 sq. ft. at the highest setting. A single control start knob and Piezo spark mechanism simplify operation. It also includes automatic safety shutoff in case of tip-over. The adjustable output and dual tank capability make this unit adaptable for varied outdoor and semi-enclosed spaces that need flexible heat control.

EAST OAK 50,000 BTU Patio Heater With Round Table Design

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The EAST OAK standing heater emphasizes high output—around 48,000–50,000 BTU—and claims coverage up to an 18-foot diameter from a central position. Construction highlights a double-layer 304 stainless steel burner mesh for durability and heat distribution. Built-in safety systems include tip-over and flame-out protection. The integrated round table design and wheels make it suitable for commercial patios or larger residential outdoor areas where a central heat source and surface stability are priorities.

Cuisinart Portable Tabletop Patio Heater, 11,000 BTU

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The Cuisinart tabletop heater offers 11,000 BTU output designed to warm approximately 30 sq. ft. It is lightweight and suited to tabletop placement for dining or close-range warming. Safety features include an anti-tilt automatic shut-off and a burner screen guard. Its compact footprint and portability make it a practical option for smaller gatherings, tailgates, or balcony use where standing heaters are impractical or restricted.

Buying Guide: Choosing Propane And Outdoor Heaters

Selecting the right propane and heater combination requires attention to BTU output, coverage area, safety features, and propane compatibility. This guide outlines key considerations to match fuel and appliance to your outdoor heating needs.

1. Matching BTUs To Space

BTU (British Thermal Unit) indicates heat output. For outdoor spaces, calculate approximate BTU needs by considering diameter and exposure. Higher BTUs are needed for open-air settings. Typical guidance:

• Small Tabletop Areas: 5,000–12,000 BTU for close-range warming.
• Small Patios / Porches: 10,000–20,000 BTU depending on wind and coverage.
• Medium To Large Patios: 30,000–50,000+ BTU for broader coverage or commercial spaces.

2. Propane Tank Types And Run Time

Portable heaters often use 1-lb disposable cylinders or 20-lb grill tanks. Standing patio heaters typically connect to 20-lb tanks stored in the base or use remote tanks for longer run times. Consider:

• Run Time Estimates: Higher BTU output reduces run time on the same tank capacity.
• Tank Connections: Some units support dual tank connections or larger tanks for extended operation.
• Refill vs. Exchange: Decide whether you prefer refillable 20-lb tanks or readily available exchange cylinders.

3. Safety Features To Prioritize

Outdoor heaters should include multiple safety systems. Key features to look for:

• Tip-Over Shutoff: Automatic gas shutoff if the unit tilts or falls.
• Flame-Out Protection: Gas supply stops if the flame extinguishes unexpectedly.
• Stability Design: Weighted base, water/sand fillable tanks, or low center of gravity for windy conditions.
• Certification: ETL/CSA listings indicate third-party testing for safety.

4. Heater Type And Heat Delivery

Understand the distinction between heater types:

• Radiant/Infrared Heaters: Heat objects and people directly—effective for spot heating; often used in portable units.
• Convection Heaters: Heat air and rely on circulation—less effective outdoors due to drafts.
• Standing Umbrella/Tabletop Heaters: Standing units distribute heat outward; tabletop units focus heat downward and nearby.

5. Portability And Installation

Consider how often the heater will be moved and whether it requires assembly or hard plumbing. Portability factors include:

• Wheels and Handles: Easier repositioning for standing units.
• Weight and Size: Tabletop units are lighter and simpler to store.
• Assembly Complexity: Larger units may need more assembly and occasional maintenance.

6. Weather Resistance And Materials

Outdoor exposure demands corrosion-resistant finishes and durable burners. Look for:

• Stainless Steel Or Coated Steel: Better resistance to rust.
• Protective Screens: Shields to protect burners from debris and wind.
• Covers: Included or optional covers extend product life when not in use.

7. Ease Of Use And Ignition

Ignition types and controls affect convenience:

• Piezo Igniters: Common for matchless starts without batteries.
• Adjustable Flame Knobs: Let you dial back BTU output to conserve fuel or reduce heat.
• One-Touch Ignition: Speeds startup, useful in commercial settings.

8. Noise, Smell, And Emissions

Correctly adjusted propane heaters are generally low-odor; however, improper combustion can produce odors and soot. Key checks:

• Proper Venting: Ensure adequate airflow for units used in semi-enclosed spaces.
• Regular Maintenance: Clean burners and check for blockages to maintain clean combustion.

9. Coverage Patterns And Placement

Consider where occupants gather. Central standing heaters radiate heat outward, while tabletop units warm seated areas directly. Position heaters to reduce wind impact and maximize reflected heat from tops or reflectors.

10. Multiple Comparison Perspectives

When comparing models, weigh:

• Output vs. Portability: Higher BTU units are less portable; portable units trade power for flexibility.
• Safety vs. Convenience: More safety systems add reassurance, possibly with slightly more complexity.
• Material Durability vs. Cost: Stainless components increase longevity, particularly near coastal environments.
• Fuel Logistics: Choose a tank size and supply method aligned with expected run times and ease of refueling.

Use these considerations to match your chosen propane heater to the required coverage, safety expectations, and fuel-management preferences for reliable outdoor comfort.