Best Greenhouse Heaters Reviewed of 2023

Owning a greenhouse is impressive. It enables you to enter into a new world and experience climates, plants, and scents that would be impossible otherwise. In some areas, it can be tough to grow specific plants, mostly due to weather conditions. However, one of the major features of a greenhouse is its capability of trapping heat when the temperature lowers in the outer surrounding.

Many times, a greenhouse is capable of trapping enough heat for the plants to grow efficiently. However, in some conditions, it requires a helping hand. For this purpose, the best greenhouse heaters can serve as an aid. For instance, they can help preserve a warm environment for your plants and save them from dying in winter.

Below, we’ve reviewed the best greenhouse heaters to help your plants flourish.

Should you need assistance, we then recommend leaping forward to our buying guide that lists important things to think about when buying Greenhouse Heaters.

List Of Best Greenhouse Heaters.

  1. Dr. Heater DR218-1500W Greenhouse
  2. Bio Green PAL 2.0/US Palma BioGreen
  3. Mr. Heater F215100 MH4B Little
  4. AeroHome 1500W Ceramic
  5. Mr. Heater Corporation Vent Free
  6. Dyna-Glo RA18LPDG 18,000
  7. Dyna-Glo BF10NMDG 10,000 BTU
  8. Renogy 100 Watt Eclipse

TOP 8 Best Greenhouse Heaters Reviews in 2023

We’ve highlighted some prominent features of the best greenhouse heaters above. And, every greenhouse heater offers different features.

In this article, we’ve reviewed greenhouse heaters with their highlighted features, pros, and cons. So, keep scrolling to choose among the best greenhouse heaters that we think are truly worth investing in.

1. Dr. Heater DR218-1500W Greenhouse

Dr. Heater


  • Heating coverage of 150 sq. ft.
  • IPX4 structure protected against water.
  • Fan-forced air technology.
  • Built-in over-heat protection.
  • Heating capacity of 1500 w.
  • Heavy-duty Steel Housing.
  • Permanent Lubrication.
  • Precision Temperature Sensor.
  • Dual Adjustable Knobs.

First, on our list is the Dr. Heater DR218-1500W that come with an excellent air heating system. This pick keeps your greenhouse at around 150sqkm warm during extremely low temperatures.

Honestly, this heater is an excellent power-saving device that best for small greenhouses running on a budget. Besides, it is budget-friendly as it requires little to no maintenance. Despite the steel body, its external surface stays cool for the prevention of accidental burns.

Last but not least, Dr. Heater is adjustable and safe for use without any risks of fire breakouts, accidents, overheating, etc. All in all, it is a best heaters for small greenhouses.

2. Bio Green PAL 2.0/US Palma Bio Green Basic Electric Fan Heater for Greenhouses

Basic Electric Fan Heater

Second, Bio Green heater is another top pick on our list. Undoubtedly, this compact heater is the one for you if you’ve been looking for a reliable and best heater for greenhouse.

Moreover, this is an outstanding pick due to its temperature accuracy. You may also set the temperature in the minus range with the digital thermostat.

Besides, this electric fan heater packs a punch without any energy waste. If you care more about your decor, this will give you aesthetic appeal.

Most importantly, the durability of this heater speaks for itself, giving you excellent value for your investment.

Overall, Bio Green PAL 2.0 is an excellent compact heater for small green houses where space may prove an issue.

Highlighted Features

  • Thermostatic control.
  • Timeless design.
  • Powerful electric fan heater.
  • Heater casing of Stainless Steel.
  • Floor-standing greenhouse heater.
  • Heats up an area of 120 sq ft easily

3. Mr. Heater F215100 MH4B Little Buddy 3800-BTU Indoor Safe Propane Heater for greenhouse.

Indoor Safe Propane Heater

Third, on our list, the Mr. Heater Little Buddy is a compact greenhouse heater having ODS safety feature. It can go from 4,000 to 9,000 BTUs and uses gas and radiant heat for power.

Honestly, this heater is suitable for spaces up to 95 sq ft. Besides, it is perfectly suitable for a backpack camping situation due to its features.

Moreover, this is a great portable heater for survival camping, minimalist camping, or backpack camping. It’s small with radiant heat; thus, it’s only suitable for small spaces. And, to get the best results, you have to keep it on the floor.

Altogether, this little buddy heater is a good portable heater for small applications.

Highlighted Features

  • Low-oxygen sensor and accidental tip-over switch.
  • Auto shut-off feature.
  • Continuous odor-free.
  • 45-degree heating angle.
  • Automatic low oxygen shut-off system (ODS).
  • Indoor-safe portable propane heater.
  • Applicable for rooms up to 95 sq ft.

4. AeroHome 1500W / 750W Ceramic Portable Space Heater

Now, the AeroHome ceramic heater offers an adjustable thermostat designed to maintain a set temperature. This way, it self-regulates to match the room’s ambient temperature and your set temperature.

Moreover, this heater comes with a built-in handle and a lightweight design for high portability. Besides, the AeroHome ceramic heater is fan-based meaning that it has a fast start-up providing instant heat.

Likewise, the heater comes with three different modes of operation to help you set your heat preference. And, each mode functions at the corresponding energy level; each includes a high heat setting that uses 1500 watt, low heat of 750 watt, and a fan only option as well.

Moreover, it is a quiet heater that operates at only fifty decibels. Due to this reason, this pick is best for those who prefer a quiet device for their greenhouse.

Highlighted Features

  • Carrying handle.
  • Low noise-50db.
  • Quick heating technology.
  • Three heating settings

5. Mr. Heater Corporation Vent Free Flame Natural Gas Heater

Natural Gas Heater

Undoubtedly, Mr. Heater Vent free heater is a great choice for supplemental heating. It offers good safety features and easy operation.

Due to its legs and wall mounting equipment, it is a versatile heater. Also, the electronic ignition makes it easier to start up.

Moreover, this heater offers an oxygen depletion sensor that prevents the growth of carbon monoxide. This way, the heater stays safer. Besides, it works well at high elevations which is unusual for propane-powered heaters that usually shut off at high altitudes.

Besides, this heater has the capability to heat a space of 750 square feet. It is CSA certified and offers a low-oxygen shut-off mechanism. Overall, it is worth your choice if you’re looking for an all-rounder.

Highlighted Features

  • Input Range of 10,000-30,000 BTU.
  • Heats up to 750 sq. ft. of space.
  • Automatic low oxygen shut-off system (ODS).
  • One year warranty period.
  • Equipped with Thermostat

6. Dyna-Glo RA18LPDG 18,000 BTU Cabinet Heater

Cabinet Heater

The Dyna-Glo RA18LPDG 18,000 BTU cabinet heater is a perfect heating solution. The warm sun-like heat with effortless mobility can achieve the heat that you can get wherever you need.

This heater can hold a standard 20 lb propane tank internally. Besides, the built-in oxygen depletion sensor makes it the perfect choice for well-ventilated shop work or indoor construction.

Furthermore, this pick is both energy efficient and effective. And, it offers many safety features keeping you safe during operation. It comes with a one-year limited warranty.

For safety purposes, it is CSA Certified. Also, it has a built-in oxygen depletion shutoff (ODS) for your safety. It has a piezo igniter too for convenient lighting.

The portable little heater offers locking casters and side handles for easy portability. It may heat up to 600 ft radius, so it works well in larger spaces. It has adjustable heat settings that may produce 18,000 BTUs of heat.

Highlighted Features

  • Oxygen Depletion Sensor (ODS).
  • Front Safety Grill.
  • 3 Plaque Heating System.
  • Side Carry Handles.
  • Piezo Ignition with Heat Controls.
  • Heats up to 600 sq. ft.
  • 6,000 – 18,000 BTU.

7. Dyna-Glo BF10NMDG 10,000 BTU Natural Gas Blue Flame Vent Free Wall Heater

Wall Heater

If you are looking for a highly efficient and moveable heating system, this greenhouse heater is just the best for you. You do not require a venting system or a gas supply for using this heater. Due to this reason, it becomes easy to use and a very reliable device that you can even use while camping or when you’re away from home.

Moreover, this device offers an advanced heating system and vent-free technology. It features a 300 sq ft heating radius that adds more to the customer’s satisfaction. Besides, the easy relocation of this heater makes it more of the best kind.

Furthermore, this heater offers absolute freedom of mobility anywhere you want. The heating system is based on the fuel tank that helps amid an emergency. Also, it is convenient for camping where no other means of heating is available.

Highlighted Features

  • Adjustment knob in the back.
  • Can heat up to 300 sq ft of area.
  • 6000 and 12000 BTU working modes.
  • Two heating adjustment options.
  • Heating grills on the front.
  • Infrared technology for heating.
  • Liquid propane ready heater.

8. Renogy 100 Watt Eclipse Monocrystalline Charge 20A

Renogy 100 Watt Eclipse Monocrystalline Charge 20A

The Renogy panel offers to overcharge protection with the regulation of the amperage. This is due to a waterproof charge controller that offers a positive ground line, making the panel compatible with boats, RVs, and other recreational options.

Moreover, this waterproof Voyager charge controller is built-in for the panel. It creates a low voltage system, making it much safer to use.

Besides, this panel works with batteries rather than devices. It offers MC4 connectors that are compatible with many battery types and adapters.

Furthermore, this panel has a foldable suitcase design for easy portability. Also, it offers a corrosion-resistant aluminum kickstand for easy positioning.

Highlighted Features

  • Compatible with gel, sealed, Lithium, and flooded batteries.
  • The low-voltage system avoids electric shock hazards.
  • Protective casing.
  • German-made Solar cells.
  • Alligator clips for ease of connection

Picking The Right Greenhouse Heater: Buying Guide

Honestly, not all greenhouse heaters are equal so you must learn all the variables that might impact your choice for greenhouse heaters. Here, we will help you figure out which type of heater will best suit your needs.

So, before you embark on your journey to get a greenhouse heater, consider the following factors:


Different heaters sound different. Thus, get a feel for what type of sound you’ll willingly tolerate in your greenhouse. For instance, if you want a quiet greenhouse, you may not want to invest in the greenhouse heater that has a nosier motorized sound over a silent-sounding version.


Before you start on your quest to search for the best greenhouse heater, have a budget in your mind. Importantly, there’s a vast difference in the price of greenhouse heaters depending upon the size and power efficiency.

Thus, always set your budget beforehand.

Power Rating

The power rating of a heater helps you determine its efficiency depending on your space size. Likewise, it determines the square footage of the heater’s capability to keep the greenhouse warm. Thus, it is another important factor you must consider before buying a greenhouse heater.

Heater Type

There are various types of best electric heaters available in the market. And, you may choose among electric heaters, fan heaters, halogen heaters, propane, or even paraffin heaters.

Every heater works to heat your greenhouse, however, each of them works differently. Thus, make sure to learn about different types of heaters before making a choice.

The Size of Your Greenhouse

Your greenhouse may be larger or smaller than others around you. And, you’ll want to choose a heater designed for the space of your greenhouse.

Thus, go through the specifications of every heater you consider. And, make sure to buy a heater that fulfills the requirements for your greenhouse space size.

Frequently Asked Questions of Greenhouse Heaters

Q. Is Greenhouse Heaters Expensive To Run?

Not necessarily. There are various types of greenhouse heaters and not all are expensive to run.

Q. Which Type Of Heater Is The Most Energy-Efficient?

Best Electric heaters are considered to be the most energy-efficient as they turn all the electricity they consume into heat.

Q. How Do I Heat My Greenhouse In The Winter?

The following are some ways through which you can heat your greenhouse in the winter.

Insulate With Bubble Wrap.
Use Heaters.
Use A Thermostat.
Circulate Air.
Ventilate Your Greenhouse.
Raise Plants Off The Cold Ground.

Q. How Can I Heat My Greenhouse Without Electricity?

Absolutely yes. Below are some options to heat your greenhouse without electricity.

Install Power-free Heated Beds.
Reflect the Sun’s Light and Heat.
Insulate the North Side
Double Up on the Windows.
Utilize Thermal Mass Objects.
Make Compost in Your Greenhouse.

Q. Which is the cheapest electric heater to run ?

The lowest expensive electric heater is one that is energy efficient and has a low power usage. Ceramic heaters, oil-filled radiators, and electric convection heaters are some of the most affordable heating choices. The price to operate an most efficient electric heating system, is impacted by variables such as the price of energy, space size, and insulating.

The Final Verdict

Conclusively, there are various types of greenhouse heaters available in the market. They all come with different capabilities, functions, and heating systems. In this article, we’ve mentioned the best greenhouse heaters worth your consideration.

Hopefully, this article will help you in choosing the right greenhouse heater based on your requirements.