Dual fuel heaters offer the convenience of burning either propane or natural gas, plus the flexibility to select the most affordable or available fuel source. This guide reviews top dual fuel options for the American home, from vent-free radiant heaters to infrared models and portable generators that double as power backup. Each entry highlights heating capacity, fuel versatility, safety features, and applicability for spaces ranging from small rooms to larger living areas. Use the buying guide below to compare performance, installation needs, and maintenance considerations.
Summary of Selected Products
- Mr. Heater 20,000 BTU Vent Free Radiant Dual Fuel Heater — propane or natural gas, compact, thermostat control, reliable ignition.
- Mr. Heater MHVFDF30RTT 30,000 BTU Radiant Vent Free Dual Fuel Heater — high capacity for larger rooms, dual-fuel, safety shut-off, fuel-type selector.
- ProCom 20,000 BTU Dual Fuel Ventless Plaque Heater — American-made assembly, dual fuel, thermostat control, heats up to 950 sq ft.
- Mr. Heater MHVFDF20BFT 20,000 BTU Vent Free Dual Fuel Blue Flame Heater — versatile fuel options, safety features, reliable heat for mid-sized spaces.
- DuroMax XP13000EH Dual Fuel Generator — dual fuel flexibility for backup power, portable, electric start, suitable for whole-home resilience.
Mr. Heater 20,000 BTU Vent Free Radiant Dual Fuel Heater
The Mr. Heater 20,000 BTU Vent Free Radiant Dual Fuel Heater provides versatile heating with dual-fuel capability and vent-free operation. It supports propane and natural gas, enabling quick adaptation to fuel availability. A thermostatic control helps maintain a steady room temperature, while a battery-operated electronic spark ignition ensures reliable startup. Suitable for smaller living areas or cabins, this model offers user-friendly operation and a compact footprint for versatile placements within homes and workshops.
Mr. Heater MHVFDF30RTT 30,000 BTU Dual Fuel Heater
This 30,000 BTU radiant vent-free dual fuel heater is designed for larger spaces up to 1,000 sq. ft. It operates on both propane and natural gas, delivering sun-like warmth through infrared technology that heats people and objects directly. Safety features include an automatic low oxygen shut-off system and a two-step fuel connection to prevent wrong-fuel hookups. A fuel-type selector knob helps customize operation to fuel type, enhancing versatility for colder seasons or unpredictable fuel markets.
ProCom Heating Dual Fuel Ventless Infrared Plaque Heater
The ProCom MG2TIR plaque heater combines compact design with dual-fuel flexibility for moderate-sized rooms. It uses natural gas as the primary burner and propane as a secondary option, producing up to 20,000 BTU with a maximum reach of about 950 sq. ft. Thermostat control helps maintain comfort while the ventless design eliminates ducting needs. Assembly is highlighted as a strength, with emphasis on reliable domestic manufacturing and tested components for consistent performance.
Mr. Heater MHVFDF20BFT 20,000 BTU Vent Free Dual Fuel Heater
This vent-free dual fuel blue flame heater delivers 20,000 BTU of heating power with a focus on even convection warmth. It is designed to operate efficiently on either propane or natural gas, reducing fuel costs and increasing flexibility in fuel supply. Safety features include an automatic low oxygen shut-off system and a patented two-step fuel connection to prevent incorrect fuel hookup, with a fuel-type selector knob for easy operation across fuel types. It’s suitable for mid-sized spaces and provides dependable performance in varied climate conditions.
DuroMax XP13000EH 13,000-Watt Dual Fuel Generator
While primarily a portable generator, the DuroMax XP13000EH demonstrates dual-fuel versatility by delivering 13,000 watts of power with both gas and propane options. It includes an electric start and transfer switch readiness, supporting whole-home backup power during outages. This unit is particularly relevant for properties requiring resilience, outdoor events, or remote work sites where a reliable energy source is essential. The feature set emphasizes power, durability, and ease of use in emergency planning.
ProCom Ventless 25,000 BTU Space-Saving Dual Fuel Fireplace
This ProCom ventless fireplace model combines a 25,000 BTU output with dual-fuel capability, designed to heat up to about 1,100 sq. ft. It features a built-in thermostat for temperature control and creates a realistic, ambiance-friendly focal point. The unit uses refractory ceramics and hand-painted logs to emulate a traditional fireplace while delivering efficient, controlled heat without venting requirements. It’s suitable for living areas where aesthetics and warmth must co-exist.
Dura Heat DFA180CV 140K-180K BTU Kero Forced Air Heater
The Dura Heat DFA180CV offers dual heat control with a broad BTU range (140,000–180,000) and multi-fuel capability tested with kerosene, #1/#2 fuel oil, diesel, JP-8, and Jet-A. This rugged option is aimed at larger spaces and more challenging environments, featuring an LED digital temperature indicator and diagnostics for monitoring. It emphasizes high heat output and versatility, suitable for workshops, garages, or commercial settings requiring robust heating capacity.
Buying Guide: Key Purchase Considerations
- Space and heat demand: Match BTU rating to room size. Ventless models are convenient for quick setup, but ensure adequate ceiling height and ventilation where required by local codes.
- Fuel availability and cost: Dual-fuel options add flexibility during fuel shortages or price fluctuations. Consider the efficiency of each fuel type for your climate and usage pattern.
- Safety features: Look for low oxygen shut-off, flame safeguards, and secure fuel connections. Vent-free models should be installed following manufacturer guidelines and local regulations.
- Installation considerations: Vent-free units require proper clearance and, in some cases, professional installation. Some models are designed for walls, others for freestanding use or outdoor applications.
- Maintenance and reliability: Brands with localized support and readily available replacement parts simplify ongoing maintenance. Check ignition systems and thermostat reliability for long-term performance.
- Multifunction goals: If you need backup power or a warmer living area alongside heating, pairing a dual-fuel heater with a certified generator can improve resilience during outages.
- Noise and comfort: Infrared and radiant heaters provide focused warmth with minimal noise, which may be preferable for bedrooms or study spaces.
- Energy efficiency: Compare fuel consumption rates and heat distribution patterns. Vent-free infrared tends to heat objects directly, while vented options may offer broader room warming.
