Choosing the right LP gas heater depends on space, portability, fuel connections, and safety features. Below is a concise comparison of top propane heaters and essential accessories to help match performance to your needs.
| Product | Type | Key Feature |
|---|---|---|
| Mr Heater Portable LP Gas Heater | Portable Propane | 3 heat settings, dual tank connection |
| Mr. Heater Big Maxx MHU80NG | Wall/Unit Heater (Natural Gas With LP Kit) | 80,000 BTU, large area coverage |
| Mr. Heater 30,000 BTU Radiant Vent Free | Wall-Mounted Vent-Free | Dual-fuel radiant infrared, safety shutoff |
| Dura Heat LPC80 Convection Heater | Convection Propane | 50,000–80,000 BTU, no electricity |
| GasOne Propane Regulator & Hose | Accessory | 3 ft reinforced hose, up to 80,000 BTU |
Content Navigation
- Mr Heater Portable LP Gas Heater
- Mr Heater Big Maxx Unit Heater
- Mr. Heater 30,000 BTU Radiant Vent Free
- Dura Heat LPC80 Propane Convection Heater
- GasOne Propane Regulator And Hose
- DOZYANT 3ft Propane Regulator Hose
- Reliance Liquid Propane Gas Valve
- CALPOSE Propane Tank Gauge (2-Pack)
- Buying Guide: How To Choose An LP Gas Heater
Mr Heater Portable LP Gas Heater

This portable unit provides 4,000, 9,000, or 18,000 BTU settings and is designed for indoor or outdoor use such as porches, sheds, and campsites. It supports a 450-square-foot heat range and can use larger tanks up to 40 lbs with an additional hose and filter.
Controls consist of a single control start knob with a piezo ignition, and the unit includes an automatic safety shutoff to stop flow if tipped. The heater’s variable settings allow tailored warmth and efficient use of propane based on space size. This model emphasizes portability and simple operation for temporary or seasonal heating needs.
Mr Heater Big Maxx Unit Heater

The Big Maxx MHU80NG is a high-capacity 80,000 BTU unit heater intended for large spaces up to about 2,000 sq. ft. It ships with an LP conversion kit, brackets, and is designed for fixed installation in garages, workshops, or commercial spaces.
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Performance specifications note 120 V power for blower operation and clearances requirement such as a minimum 8 ft. floor-to-base distance. Venting categories listed allow vertical or horizontal venting depending on installation. This heater targets users needing sustained high-output heating rather than portable convenience.
Mr. Heater 30,000 BTU Radiant Vent Free

This vent-free radiant heater delivers 30,000 BTU and uses infrared technology to warm people and objects directly. It operates on both propane and natural gas, providing dual-fuel versatility for different installations and fuel availability.
Safety features include an automatic low oxygen shut-off system and a patented two-step fuel connection to minimize wrong-fuel hookup. The heater lists a coverage up to 1,000 sq. ft. and is tailored to additions, sunrooms, cabins, or cold rooms where ventless operation is acceptable under local codes.
Dura Heat LPC80 Propane Convection Heater

The Dura Heat LPC80 is a propane-only convection heater rated for 50,000 to 80,000 BTU with a reported maximum room size near 1,900 sq. ft. It is electrically independent for ignition via a piezo igniter, making it suitable where power outages are a concern.
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Variable output supports long run times on a 40 lb cylinder, and the 360-degree convection design disperses heat throughout the space. The unit targets users needing high-output, off-grid capable heating for large enclosed spaces.
GasOne Propane Regulator And Hose

This accessory is a 3 ft low pressure propane regulator with a type-1 (QCC-1) connection and a 3/8″ female flare nut. It is rated to handle appliances up to 80,000 BTU and features fiber-reinforced hose construction and brass fittings.
Durability and a secure, leak-resistant connection are emphasized. The hose length and connector type make it compatible with many grills, heaters, and fire pit tables. Proper regulator selection is critical to ensure fuel flow and appliance performance match manufacturer specifications.
DOZYANT 3ft Propane Regulator Hose

This 3-foot hose and regulator include a tank gauge and QCC1 Type-1 compatibility. It lists common grill and appliance compatibility and emphasizes a tool-less attachment for easy installation.
The accessory notes audible regulator resonance as a standard operational sound. Includes 3/8″ female flare nut and fits a wide variety of grills and portable appliances, making it a common choice when converting portable heaters for extended runtime from standard cylinders.
Reliance Liquid Propane Gas Valve

This replacement gas valve is intended for specific water heater models and is manufactured by Resideo for AO Smith brands. It is identified by part numbers and is suitable where OEM replacement valves are required.
Use in heater systems requires correct model matching and adherence to installation instructions. Replacement valves are a maintenance item that must meet safety and compatibility standards for propane appliances.
CALPOSE Propane Tank Gauge (2-Pack)

This QCC1 type tank gauge uses color-coded progress bars to estimate remaining fuel for tanks between 5 and 40 lbs. The gauge construction emphasizes solid brass components for outdoor durability and leak resistance.
Monitoring tank levels helps prevent interruptions during use and improves planning for refill or replacement. Accuracy is affected by ambient temperature as noted by the product guidance.
Buying Guide: How To Choose An LP Gas Heater
Selecting an LP gas heater requires matching heat output, installation type, fuel delivery, safety features, and accessory compatibility to your needs. Consider these criteria when comparing products.
Heat Output And Coverage
- BTU Rating: Higher BTUs deliver more heat; choose based on room size and insulation. Portable units often range 4,000–18,000 BTU, while convection and unit heaters reach 50,000–80,000 BTU.
- Coverage Area: Compare manufacturer square footage guidance. Vent-free radiant units heat people and objects directly and may feel warmer at lower BTUs versus convection heaters.
Installation Type
- Portable vs Permanent: Portable heaters offer mobility but need proper ventilation for outdoor/indoor use; fixed unit heaters require mounting, venting (if applicable), and professional installation.
- Vent-Free vs Venting Required: Vent-free appliances provide direct heat without a flue but depend on indoor air quality and local codes. Vented or direct-vent units remove combustion products outdoors.
Fuel Connection And Accessories
- Regulator & Hose Compatibility: Ensure QCC1/type-1 connectors, inlet fittings, and regulator pressure ratings match your heater’s requirements. Accessories like the GasOne or DOZYANT hoses are common for portable setups.
- Tank Size And Runtime: Larger cylinders extend run time. For extended operation, confirm hose length and rated BTU capacity of the regulator.
- Conversion Kits: Some natural gas heaters include LP conversion kits; confirm included parts and any additional components required for LP operation.
Safety Features
- Automatic Shutoffs: Look for tip-over protection, oxygen depletion sensors (ODS), and flame failure controls for indoor safety.
- Clearances & Venting Requirements: Verify required clearances from floor, walls, and combustible materials. Follow local building codes and manufacturer installation guides.
Performance And Efficiency
- Radiant vs Convection: Radiant heaters provide direct warmth to occupants; convection heaters circulate warmed air. Match the heat type to how occupants use the space.
- Electrical Requirements: Some extended-output heaters use blowers or ignition systems needing mains power. If off-grid operation matters, choose piezo ignition and no-electric blower options.
Durability And Maintenance
- Materials And Construction: Brass fittings, reinforced hoses, and corrosion-resistant components improve longevity for outdoor exposure.
- Service Parts: Check availability of replacement valves, regulators, and hoses to ensure serviceability.
Comparison Perspectives
- Small Space / Portability: Choose low to mid-BTU portable models with tip-over protection and easy tank connection.
- Large Enclosed Areas: High-BTU convection or unit heaters (50k–80k BTU) provide sustained heating for garages and workshops.
- Comfort Feel: For direct occupant warmth in drafty areas, radiant vent-free heaters often feel warmer than similar-BTU convection units.
- Installation Flexibility: Dual-fuel models and conversion kits offer adaptability where gas type availability may change.
Before purchase, confirm local codes for vent-free appliances, verify exact model specifications against required clearances, and match regulator/hose ratings to the heater’s BTU demand. Professional installation is recommended for permanent unit heaters and conversions.
Tips for Getting the Best HVAC Prices
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