Greenhouses provide the perfect environment for growing a wide variety of plants, flowers, and vegetables.
If you’re looking to install a greenhouse in your garden, you’ll need to choose the right heater to keep your plants warm during the winter months.
Greenhouses are a great way to extend the growing season for vegetables, flowers, and more. But what kind of heater is best for a greenhouse?
It depends on your needs and budget. If you’re looking for a budget-friendly option, an electric heater is a good choice. If you need a lot of heat, a natural gas or propane heater is a better option.
Electric greenhouse heaters
Electric heaters are the most common type of heater for greenhouses.
They come in several different forms, including space heaters, ceramic heaters, and halogen lamps.
Space heaters are the most popular type of electric heater for greenhouses because they are relatively affordable and effective.
Ceramic heaters are also affordable and effective, but they use less energy than space heaters.
Halogen lamps produce more heat than other types of electric heaters, but they are also the most expensive.
Bio Green PAL 2.0/USDT Palma Greenhouse Heater incl. Digital Thermostat
The Bio Green Palma 2.0 is a floor standing heater with a digital thermostat, it can be used to heat up to 120 ft. ² (11 m²) of greenhouse or room space.
The Palma 2.0 is an ideal choice for heating greenhouses and sheds during the cold winter months.
It’s also perfect for garages, store rooms and other areas that require supplemental heat during the colder months of the year.
This unit features a stainless steel housing and four stainless steel heat elements that provide 1500 watts of heating power in total.
The digital thermostat allows you to easily control the temperature of your greenhouse or room.
The Palma 2.0 also features a built-in safety switch that will automatically shut off the unit if it starts to overheat.
- Optimal Greenhouse Environment: Experience rapid warmth with our greenhouse heater, delivering an impressive 5118 BTU/1500 W output. Ideal not only as a grow tent heater but also perfect for greenhouses up to 120 ft.², ensuring your plants thrive in ideal conditions.
- Precise Climate Control: Our greenhouse heater with thermostat offers a digital summer/winter thermostat, UL-approved, with an external sensor cable. Featuring overheating protection for added safety. Whether you need a greenhouse warmer or a greenhouse fan with thermostat, achieve the perfect ambiance for your plants.
- German Engineered Durability: Trust in a robust, floor-standing heater designed specifically for humid environments. With a stainless steel housing and splash-proof stainless steel heat elements, this heater is crafted in Germany to stand the test of time.
- Cost-Effective Warmth: Enjoy the benefits of an energy-efficient greenhouse heater, making it an economical choice. Whether for your greenhouse, garage, or storeroom, it’s the perfect electric garage heater that’s light on your bills.
- All-Inclusive Greenhouse Heater Set with 2-Year Warranty: Included in this package are 1 greenhouse heater, 1 thermostat, and 2 user manuals for a hassle-free setup. Committed to ensuring 100% satisfaction, please reach out with any queries about this heater equipped with a thermostat and fan.
Natural gas greenhouse heaters
Another type of heater that can be used in a greenhouse is a natural gas heater.
These heaters are more expensive than electric heaters, but they provide a lot of heat and are very efficient.
If you have access to natural gas, a natural gas heater is a good option for heating your greenhouse.
Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater
The Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater is the perfect solution for your greenhouse.
This model features a blue flame burner that provides even convection heat to maintain even and steady warmth.
It has an automatic low oxygen shut-off system and the thermostat allows for automatic temperature control so it can be used in any space with ease.
It also includes legs as well as wall mounting options for added versatility.
- 30,000 BTU Natural Gas heater to heat spaces up to 1000 square feet
- Blue flame burner for even convection heat. Maximum Elevation (Ft)-4500. Fuel Consumption/Burn Rate (Gal/Hr)- .030 MCF
- Automatic low oxygen shut-off system (ODS). CSA Certified. Heater Type: Unvented
- Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.included.Theromostat, legs and wall mounting hardware
- Fuel Type:Natural Gas.Not for use in bathrooms, bedrooms, or recreational vehicles
Propane greenhouse heaters
Finally, a greenhouse can be heated with a propane heater.
Propane heaters are a popular type of greenhouse heater due to their portability and the availability of bottled gas.
Greenhouse heaters that are powered by propane can produce some fumes and ventilation is needed but, from a budget perspective, propane heaters make sense and are easier to install than the other options.
BLUU Propane Heater for Outdoor and Indoor Use
The BLUU Portable Radiant Heater is a safe and easy-to-use propane heater that provides instant warmth with the push of a button.
It generates heat up to 20,000 BTUs—enough to warm an area up to 1,200 square feet.
This heater is portable and easy to use making it an ideal choice for keeping a greenhouse warm during cold spells.
The unit also includes automatic low oxygen depletion sensors (ODS) that shut off the heater automatically when oxygen levels are too low and an accidental tip-over safety shut-off system that disables the unit if it is tipped over.
- 🔥Thermostatic system saves 30% fuel: Bluu heater upgraded core has a thermostat system that maintains the set temperature and saves 30% of fuel, helping you save more money. And the thermostat system won’t heat up too fast or cool down too fast, so you’ll always be at a comfortable temperature.We have CSA certification you can rest assured of safe use
- 🔥10-step temperature adjustment.: The 10-position infinitely adjustable system allows you to find your own comfortable temperature in various outdoor environments, especially as tent heater for camping.BLUU portable propane heater has more heat and a wider range than others that are available on the market. This heater is portable with a propane tank and can easily warm a 500 square foot space.
- 🔥40% more hours of use: Our outdoor heaters are designed to be energy efficient, so when they reach your desired temperature, the heater reduces its core temperature.Can be used 40% longer than other propane heater This helps the heater to be safer and more energy efficient. Runs time up to 5 hours on low & 2 hours on high.
- 🔥500 ft of heatable space:This camping heater is portable with a propane tank and can easily warm a 300 square foot space. Recommended for use in a ventilated environment.Our propane heaters are equipped with an automatic shut off, which will turn off the heater if the oxygen is too low or it tips over. This is designed to protect everyone safe in outdoor/tent/indoors uses.
- 🔥CAUTION & WARRANTY: BLUU heater with CSA certificate and outdoor only is a literal error in outer box.Use only in a well-ventilated area. Here at Bluu, we proudly offer a one-year warranty on all parts. We pride ourselves on excellent customer service, if you have any problem, please reach out to us.
Where should a heater be placed in a greenhouse?
Finally, it is important to place the greenhouse heater in the correct location for optimal performance.
Electric heaters should be placed on the floor near the plants that need the most warmth.
Natural gas and propane heaters can be placed anywhere in the greenhouse as long as there is an adequate supply of air.
Make sure to read the instructions that come with your greenhouse heater for best results.
Can you use a kerosene heater in a greenhouse?
Kerosene heating is the simplest and most cost-effective way to heat a greenhouse.
And, despite their basic and robust construction, these simple and long-lasting heaters will provide years of service.
Even big kerosene heaters, on the other hand, are only suitable for tiny greenhouses with a surface area of 200 square feet or less.
For a small greenhouse a kerosene heater is a great choice when the weather gets cold, they are cheap to run and are reliable.
Kero World KW-24G Indoor Kerosene Heater
This kerosene heater is designed to heat up to 1000 square feet and has a simple matchless ignition.
It comes with built-in 1.9-gallon tank for up to 12 hours of heat, and uses clean kerosene only.
It delivers efficient convection heat, and it is portable so you can move it around the room as needed.
This indoor kerosene heater measures 18 by 18 by 22-1/5 inches, and comes with a 2 year limited warranty.
- 360 degree heating radius
- Push to start ignition
- Accidental tip-over shut-off
- Operates 8-12 hours on one tank of fuel
- 2-Year warranty
Final thoughts on heating a greenhouse
There are many different types of greenhouse heaters available, and each has its own set of advantages and disadvantages.
It is important to choose the right type of heater for your specific needs in order to get the most benefit from it.
When choosing a greenhouse heater, you should consider the size of your greenhouse, the type of fuel available, and how much money you want to spend.
Make sure to read the instructions carefully and follow all safety guidelines to ensure that you use your greenhouse heater safely and effectively.