When it comes to maintaining the perfect temperature in your greenhouse, the Mr. Heater MHVFBF20LPT is a top choice. This 20,000 BTU blue flame vent-free propane heater is ideal for cold rooms, additions, and garages, providing efficient warmth without the need for venting. Its compact design makes it easy to install and operate, ensuring your plants thrive in a comfortable environment.
Another versatile option is the 15,000 BTU Single Tank Top Portable Propane Radiant Heater. This heater is perfect for outdoor use, offering portability and convenience. With its radiant heat technology, it warms up spaces quickly, making it a great choice for chilly evenings in your greenhouse.
In this full review, we will explore the features, benefits, and ideal use cases of these heaters. You’ll learn how to choose the right one for your needs and ensure your greenhouse stays warm and productive all season long.



Mr. Heater 20,000 BTU Vent Free Propane Heater
Mr. Heater MHVFBF20LPT 20,000 BTU Blue Flame Vent Free Propane Heater is designed to provide efficient heating solutions for cold rooms, additions, sunrooms, cabins, and garages. Ideal for homeowners and DIY enthusiasts, this propane heater effectively warms spaces up to 700 sq. ft. Its compact design and sleek white finish make it a practical addition to any room.
With a powerful output of 20,000 BTUs, this heater operates reliably even at elevations up to 4,500 ft., ensuring consistent warmth in harsh conditions. The blue flame burner utilizes convection heating, warming the air rather than objects, which allows for a more comfortable environment. Additionally, its battery-powered electronic ignition simplifies startup, consuming fuel at a rate of just .926 lbs per hour.
Pros
- Powerful heating capability for large spaces.
- Safe operation with an automatic low oxygen shut-off system.
- Easy installation with versatile mounting options.
- Efficient convection heat disperses warmth evenly.
Cons
- Requires proper ventilation for safety.
- Initial cost may be higher than traditional heaters.
The Mr. Heater MHVFBF20LPT stands out for its reliability and efficiency, making it perfect for those needing a robust heating solution in larger, colder spaces. While it’s an investment, the safety features and ease of use justify the price for homeowners seeking dependable warmth.
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Mr. Heater 15,000 BTU Portable Propane Heater
The 15,000 BTU Single Tank Top Portable Propane Radiant Heater is designed to provide efficient heating for outdoor spaces, making it ideal for patio gatherings, camping, or greenhouse use. Its compact design allows it to mount directly to a 20 lb propane tank, ensuring easy portability and setup. With a high-medium-low regulator offering 15,000 to 10,000 BTUs, this heater delivers customizable warmth to suit various needs.
This propane heater effectively solves the problem of inadequate outdoor heating, enhancing user experience by allowing for extended outdoor activities in cooler weather. Its durable grey/silver finish not only adds a sleek look but also ensures longevity against the elements.
Pros
- High heating efficiency with adjustable BTUs for versatile use.
- Portability makes it convenient for various outdoor settings.
- Tip-over safety shut-off switch enhances user safety.
- Long run time of approximately 29 hours on high with a 20 lb tank.
- Easy match lit pilot requires no electricity, ensuring usability in remote locations.
Cons
- Limited to propane use, which may not suit all users.
- Requires a 20 lb tank, which can be cumbersome to transport.
- Initial setup may take some time for those unfamiliar with propane heaters.
Performance-wise, this heater stands out with its reliable heat output and safety features, making it suitable for families and outdoor enthusiasts alike. While it may have some limitations regarding fuel type and tank transport, its overall value and efficiency make it a worthwhile investment for anyone needing reliable outdoor heating.
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Amazon Basics Outdoor Propane Patio Heater
The Amazon Basics 46,000 BTU Outdoor Propane Patio Heater is designed to provide soothing warmth for outdoor gatherings, making it ideal for both commercial settings like cafes and restaurants, as well as residential patios. With dimensions of 32.1 x 32.1 x 91.3 inches, this heater boasts a sleek slate gray finish, ensuring it complements any outdoor decor while providing robust functionality.
This heater effectively addresses the challenge of staying warm during chilly evenings, enhancing the outdoor experience for users. Its powerful 46,000 BTUs can heat areas up to a 9-foot radius, with an adjustable temperature knob allowing for precise control over warmth.
Pros
- Easy one-touch ignition for quick startups.
- Wheels for effortless maneuverability.
- Durable powder-coated finish for long-lasting use.
- Safety features including a tilt safety auto-shut off valve.
- Water box to weigh down the base for stability.
Cons
- Requires a 20-pound propane tank (not included).
- Initial setup may take some time.
The Amazon Basics Outdoor Propane Patio Heater excels in performance, with standout features that cater to both casual users and business owners. While it may have limitations such as needing a propane tank and a slightly complex setup, its overall value is undeniable. Best suited for those seeking a reliable outdoor heating solution, this patio heater ensures comfort and ambiance, making outdoor spaces enjoyable year-round.
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Mr. Heater Portable Buddy Propane Heater
Mr. Heater Portable Buddy Heater MH9BX is designed to provide powerful radiant heat, ideal for campers, workshops, job sites, and patios. Its compact size (14.5 x 14 x 16 inches) and striking red and black color ensure it fits seamlessly into any setting. Made from durable materials, this heater delivers adjustable heat settings ranging from 4,000 to 9,000 BTUs, effectively warming spaces up to 225 sq. ft.
This heater solves the problem of inadequate heating in outdoor and semi-outdoor environments by utilizing advanced infrared technology to directly warm objects and people, creating a cozy atmosphere. Its improved safety features, including a reliable tip-over safety switch, ensure peace of mind while using it in various settings.
Pros
- Powerful radiant heat with adjustable BTU settings.
- Enhanced safety features for secure operation.
- Quick and reliable ignition with a Piezo igniter.
- Portable design with a fold-down handle.
- Fuel-efficient, providing hours of warmth on low settings.
Cons
- Requires propane tanks, which may be an additional cost.
- Limited to heating spaces up to 225 sq. ft., may not suit larger areas.
The Mr. Heater Portable Buddy Heater MH9BX excels in real-world usability, making it perfect for outdoor enthusiasts and professionals needing reliable heat. While it has some limitations regarding size and fuel requirements, its efficiency and safety features make it a valuable addition to any heating solution. Ideal for those seeking portable warmth, this heater is a top choice for various applications.
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Buyplus 1500W Portable Outdoor Heater
The Buyplus Outdoor Heater for Patio is designed to provide efficient heating for both indoor and outdoor spaces, making it ideal for outdoor enthusiasts, campers, and anyone needing a reliable heat source. With dimensions of 11 x 7 x 13 inches, this portable space heater is compact and easy to transport, ensuring warmth wherever you go. Its powerful 1500W heating capability ensures quick heating, while the sleek design complements any setting.
This versatile heater not only warms up your surroundings but also serves as a camping stove, making it a must-have for those who enjoy outdoor adventures. It effectively covers an area of 400-600 square meters with a 360° heating range, eliminating cold spots and keeping you comfortable even in chilly conditions.
Pros
- Fast heating in just 3 seconds, perfect for immediate warmth.
- Overheat protection ensures safety during use.
- Portable design with a carrying handle for easy mobility.
- Versatile for both indoor and outdoor use, suitable for camping and backup heating.
Cons
- Requires propane, which may be less convenient for some users.
- Limited to specific heating areas; may not be suitable for very large spaces.
In real-world usability, the Buyplus Outdoor Heater excels in providing warmth during camping trips, ice fishing excursions, or as a reliable backup heating source indoors. Its compact size and powerful performance make it a fantastic option for anyone needing warmth on the go. This heater is best suited for outdoor enthusiasts and families looking for a dependable heating solution, despite its limitations regarding fuel type and heating range.
To buy this product, click here.
Faq about Best Propane Heaters For Greenhouse:
1: What are the benefits of using propane heaters in greenhouses?
Propane heaters provide efficient, consistent heat, promoting optimal plant growth. They are portable, easy to install, and can be used in various greenhouse sizes.
2: How do I choose the right propane heater for my greenhouse?
Consider the greenhouse size, insulation quality, and plant types. Look for heaters with appropriate BTU ratings to ensure adequate heating.
3: Are propane heaters safe for greenhouse use?
Yes, propane heaters are safe when used correctly. Ensure proper ventilation to prevent carbon monoxide buildup and follow manufacturer guidelines.
4: How much propane do greenhouse heaters consume?
Consumption varies by model and usage. On average, a propane heater uses 1 to 2 gallons per hour, depending on the BTU output and environmental conditions.
5: Can I use a propane heater for seed starting in my greenhouse?
Yes, propane heaters are ideal for seed starting, providing the necessary warmth to promote germination and growth during colder months.
6: How do I maintain my propane heater?
Regularly check for leaks, clean the burner, and inspect the ignition system. Schedule professional maintenance annually for optimal performance.
Conclusion
Both the Mr. Heater 20,000 BTU Vent Free Propane Heater and the Mr. Heater 15,000 BTU Portable Propane Heater epitomize efficiency and versatility in greenhouse heating solutions. The former stands out for its robust output and lack of venting requirements, making it ideal for larger spaces, while the latter offers unparalleled portability, catering to varied heating needs with ease.
Ultimately, selecting between these two exceptional products hinges on specific greenhouse dimensions and mobility preferences. Each heater delivers reliable warmth, ensuring optimal growth conditions for plants throughout the colder months, thereby enhancing overall productivity.