Mr. Heater MHVFBF20LPT is perfect for cold rooms, providing a reliable 20,000 BTU heat output. This powerful heater ensures that your additions, sunrooms, cabins, and garages stay cozy and inviting.
Plus, its space-saving design means you can enjoy warmth without sacrificing valuable floor space.
We tested durability, ease of use, and more to ensure you get the best heating experience possible.



Mr. Heater 20,000 BTU Blue Flame Heater
Mr. Heater MHVFBF20LPT: 20,000 BTU, vent-free propane heater, designed for rooms up to 700 sq. ft., includes battery for ignition.
Benefits
- Provides consistent warmth even at elevations up to 4,500 ft.
Drawbacks
- Requires proper ventilation despite being vent-free.
This propane heater is an excellent choice for effectively warming spaces in cold conditions. With a powerful output of 20,000 BTUs, it can easily heat areas up to 700 square feet, making it suitable for cabins, additions, and garages. The heater’s blue flame burner utilizes convection heating, which warms the air rather than objects, allowing for an even distribution of heat throughout the room.
The battery-powered electronic ignition simplifies startup, and the included thermostat allows for precise temperature control. Safety is a priority, as the unit features an Oxygen Depletion Sensor (ODS) that automatically shuts off the heater if oxygen levels drop too low, providing peace of mind during use.
However, users should be aware that while it is designed for indoor use, proper ventilation is still necessary to ensure safety and optimal performance. This heater is a practical pick for small spaces needing reliable heat in winter months.
To buy this product, click here.
ProCom Ventless Propane Blue Flame Heater
ProCom ML100TBAHR Ventless Propane Gas Blue Flame Space Heater: 10,000 BTU, heats up to 300 sq. ft., includes wall mount, black finish. Operates exclusively on liquid propane gas. Designed with thermostat control for optimal temperature maintenance. Constructed with high-efficiency technology for reliable heating.
Benefits
- 99.9% efficiency ensures economical heating without needing ducts or a chimney.
Drawbacks
- Not approved for use in California or Canada.
This heater is ideal for small spaces, providing effective warmth while being easy to install and operate. The included 10-foot hose and regulator allow for convenient connection to a standard 20lb propane cylinder. The push-button Piezo ignition and built-in oxygen depletion sensor enhance safety, ensuring peace of mind while using the heater. Its blue flame technology delivers even heat distribution, making it suitable for living rooms, bedrooms, or home offices.
While the heater excels in efficiency and safety features, potential buyers should note that it is not dishwasher-safe and requires careful installation per local codes. Overall, the ProCom ML100TBAHR is a practical choice for those seeking a reliable heating solution in compact areas.
To buy this product, click here.
Mr. Heater 30,000 BTU Vent Free Heater
Mr. Heater MHVFBF30NGT: 30,000 BTU, natural gas, wall mount, white, 2-year warranty.
Benefits
- Heats up to 1,000 sq. ft. efficiently, making it ideal for large rooms.
- Precise thermostat control ensures comfortable temperatures with minimal effort.
- Fuel-efficient operation at just .030 MCF per hour saves on energy costs.
- Safe operation with low oxygen shut-off system for peace of mind.
- Dual mounting options allow for flexible installation, whether on the wall or floor.
Drawbacks
- Requires natural gas connection, limiting use to specific locations.
- Not portable once installed, which may be a concern for some users.
The Mr. Heater MHVFBF30NGT is a powerful solution for heating larger spaces, making it a practical pick for cold rooms or sunrooms. With its efficient design and safety features, it provides consistent warmth without excessive energy consumption. Ideal for homeowners looking for a reliable heating option, this heater combines performance with user-friendly controls, ensuring comfort throughout the colder months.
To buy this product, click here.
ProCom Vent Free Dual Fuel Stove
ProCom QNSD250RT Vent Free Dual Fuel Stove: 25” H x 33.5” W x 13”, 49.8 lbs, 25,000 BTU, Remote control, 2-year warranty.
Benefits
- Heats up to 1,100 sq. ft. efficiently with 99.9% efficiency.
Drawbacks
- Indoor use only limits versatility.
The ProCom QNSD250RT is an excellent choice for those seeking an effective heating solution for larger spaces. Utilizing patented dual fuel technology, it operates on both natural gas and liquid propane, making it adaptable to various setups. The remote control feature adds convenience, allowing users to adjust the settings without getting up. With the capability to heat areas up to 1,100 square feet, it is perfect for living rooms or open spaces. The realistic logs enhance the aesthetic appeal, providing a cozy atmosphere.
However, it is important to note that this unit is designed for indoor use only, which may not suit everyone’s needs. Additionally, while it boasts high efficiency, it does not require outside ducting or a chimney, making installation straightforward. Safety features include a battery-assisted ignition and an oxygen depletion sensor, ensuring peace of mind while in use.
A practical pick for small spaces or larger rooms that require efficient heating, the ProCom QNSD250RT combines style with functionality.
To buy this product, click here.
Dyna-Glo 10,000 BTU Ventless Wall Heater
Dyna-Glo 10,000 BTU Liquid Propane Blue Flame Vent Free Wall Heater: Liquid Propane Ready, 8,000-10,000 BTU’s/hr variable heat output, suitable for up to 300 sq. ft., features Blue Flame Technology.
Benefits
- Reliable heat source without electricity, ideal for emergencies.
- Variable heat output allows you to customize settings: LOW – 8,000 BTU, MED – 9,000 BTU, HI – 10,000 BTU.
- Efficient heating with convection technology, warming the air like a central heating system.
Drawbacks
- No electricity required might limit use in certain setups.
- Installation may need professional assistance depending on local codes.
This heater is a practical pick for small spaces. Its compact design and powerful heating capabilities make it suitable for areas up to 300 square feet, providing warmth when you need it most. The Blue Flame Technology ensures that heat circulates effectively, making it a reliable choice for both everyday use and emergency situations. With its adjustable settings, users can easily control the temperature to their liking. However, potential buyers should be aware that installation may require professional help, and it’s important to verify local regulations regarding ventless heaters. Overall, the Dyna-Glo heater stands out as a dependable solution for efficient heating in compact environments.
To buy this product, click here.
Faq about best ventless propane heaters:
1: What are ventless propane heaters?
Ventless propane heaters are heating devices that burn propane fuel without the need for external venting. They are designed to efficiently heat indoor spaces while minimizing energy loss.
2: Are ventless propane heaters safe to use?
Yes, ventless propane heaters are safe when used according to manufacturer instructions. They include safety features like oxygen depletion sensors to prevent accidents.
3: How efficient are ventless propane heaters?
Ventless propane heaters are highly efficient, often converting over 99% of fuel to heat. This makes them a cost-effective heating solution for many homeowners.
4: Can ventless propane heaters be used in any room?
Ventless propane heaters can be used in most rooms, but it is essential to ensure proper ventilation and follow local building codes to maintain safety.
5: What size ventless propane heater do I need?
The size of the heater needed depends on the room’s square footage and insulation. It’s best to calculate the BTU requirements for optimal heating.
6: How do I maintain a ventless propane heater?
Regular maintenance includes checking for dust buildup, ensuring proper operation of safety features, and scheduling professional inspections annually.
Conclusion
Mr. Heater’s 20,000 BTU Blue Flame Heater exemplifies efficiency and warmth, delivering robust heating capabilities ideal for various spaces. Its user-friendly design and reliable performance make it a top choice for those seeking effective temperature control.
Similarly, the ProCom Ventless Propane Blue Flame Heater stands out with its innovative technology, ensuring optimal heat distribution while maintaining energy efficiency. Both products represent the pinnacle of modern heating solutions, catering to diverse needs while enhancing comfort and convenience.