Best Heat Lamps For Greenhouse: Compare 10 Heating Options

#1 · Best Overall

1. SmterCon Greenhouse Heater

• Dimensions D x W x H: 9.5"D x 7.5"W x 8.6"H

Best for: Thermostat-controlled greenhouse heating.

Why it ranks #1: Its 1500W output is stated to heat up to 120 square feet, and the included digital thermostat automatically controls temperature and power.

An independent digital thermostat automatically switches this 1500W SmterCon heater on and off around your chosen temperature, helping greenhouse growers manage warmth without repeatedly adjusting the unit. Its listing also specifies heating for spaces up to 120 square feet and adjustable ventilation for air circulation.

The included thermostat monitors temperature and controls heater power, giving a grower a more automatic routine than manual switching. The heater is listed as warming in three seconds and covering up to 120 square feet, which helps frame its intended scale for a greenhouse or grow tent. Adjustable ventilation adds an air-circulation option, while adjustable speed, temperature and tilt head provide further control over operation and direction. At 9.5 by 7.5 by 8.6 inches, the unit can be placed with its footprint in mind.

Skip it if you need app-based remote temperature adjustments; pasapair QY-BY1263 offers Smart Life Wi-Fi control and a real-time probe temperature.

This SmterCon suits greenhouse and grow-tent users who want automatic thermostat control, ventilation and specified coverage up to 120 square feet. Consider the listed coverage against your growing area before choosing it for a larger space.

Listed on Amazon as: Greenhouse Heater with Thermostat, Auto Power Control with Digital Temperature Display, Fast Heating, Overheat Protection, Electric Heater for Grow Tent, Greenhouse, Flower Room, Patio

#2 · Best Thermostat Range

2. TRUSTECH Greenhouse Heater

• Dimensions D x W x H: 7.99"D x 9.25"W x 4.52"H
• Voltage: 120 V

Best for: Precise greenhouse thermostat settings.

Why it ranks #2: Its digital thermostat sets temperatures from 40°F to 108°F, with 750W and 1500W heat modes plus fan-only operation.

An independent digital thermostat with a waterproof sensor probe lets this TRUSTECH heater maintain a chosen temperature from 40°F to 108°F. Three operating modes—750W, 1500W and fan-only—give growers options for heating or air movement, while a 90-degree adjustable tilt helps direct output.

The probe and broad 40–108°F setting range give users a direct way to select greenhouse temperatures, while the independent thermostat handles temperature control. Switching between 750W low heat, 1500W high heat and fan-only supports different operating needs without changing heaters. PTC ceramic heating is listed for quick warmth, and the 90-degree tilt allows output direction to be adjusted. Overheat protection is another specified safeguard. The 120V rating and compact 7.99-by-9.25-by-4.52-inch dimensions help with electrical and placement planning.

Skip it if you need remote app control while away from the greenhouse; pasapair QY-BY1263 offers Smart Life app adjustments and probe monitoring.

Choose the TRUSTECH for greenhouse users who want a defined thermostat range, a sensor probe and flexible heat or fan modes. Its 90-degree tilt helps direct output, while the specified 120V supply is an important installation consideration.

Listed on Amazon as: TRUSTECH Greenhouse Heater with Digital Thermostat, 1500W Small Outdoor Space Heater, 3S Heating & 3 Modes, 90° Tilt, Overheat Protection, Tent Heater for Camping, Grow Tent, Patio, Garage, Indoor

#3 · Best Wi-Fi Control

3. pasapair Greenhouse Heater

• Dimensions D x W x H: 9.45"D x 11.2"W x 6.6"H
• Weight: 5 lb

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Best for: Remote Wi-Fi greenhouse control.

Why it ranks #3: Its Smart Life app enables remote temperature monitoring and adjustment, while an external probe measures greenhouse temperature.

Smart Life app control lets growers monitor probe temperature, change target settings, switch modes and turn this pasapair heater on or off remotely. That remote access can support greenhouse management when the user is away, while its 1500W PTC format targets grow tents and other listed spaces.

The external temperature probe measures conditions at its location, helping the app display the temperature that matters to the grower rather than relying only on the heater’s immediate surroundings. Smart Life control supports remote adjustment and switching, useful for managing a greenhouse during changing conditions. The heater is listed at 1500W and uses PTC heating. App connectivity requires 2.4 GHz Wi-Fi; 5 GHz is not supported, so network compatibility is essential before relying on remote operation. A digital display is also specified.

Skip it if you cannot use a 2.4 GHz Wi-Fi network; TRUSTECH PTC-1500R lists an independent digital thermostat without an app requirement.

This pasapair suits greenhouse and grow-tent users who want remote monitoring and control through Smart Life. Confirm that 2.4 GHz Wi-Fi is available where the heater operates, since 5 GHz is not supported.

Listed on Amazon as: Pasapair Greenhouse Heater with Thermostat, 1500W WiFi PTC for Grow Tent

#4

4. Maygrove Greenhouse Heater

• Dimensions D x W x H: 10.04"D x 11.61"W x 9.06"H
• Weight: 4.4 lb

Best for: Frost-protection greenhouse heating.

Why it ranks #4: It is designed for greenhouse heating and plant protection, with adjustable thermostat, frost protection, overheat protection, and waterproof housing listed.

Waterproof housing paired with frost protection makes this Maygrove heater relevant to greenhouse users managing cold-weather gardening and plant protection. Its adjustable thermostat and two speeds add operating control, while the digital touch display provides a direct interface for making adjustments.

The adjustable thermostat supports temperature management, and frost protection speaks directly to cold-weather greenhouse use. Two speeds provide a choice of operating level, while the digital touch display makes settings accessible at the unit. The listing also specifies overheat protection and waterproof housing, useful features to consider for greenhouse placement and operation. At 10.04 by 11.61 by 9.06 inches and 4.4 pounds, its dimensions and weight can inform where it sits in a growing space. No wattage or temperature range is supplied.

Skip it if you need a stated 1500W output and defined coverage; SmterCon MGP-2 lists both its wattage and coverage up to 120 square feet.

The Maygrove fits greenhouse growers prioritizing frost protection, waterproof housing and thermostat adjustment. Its display and two speeds support on-unit control, but the supplied specifications leave wattage and temperature range unspecified.

Listed on Amazon as: Greenhouse Heater with Digital Touch Display & Overheat Protection

#5 · Three Heat Settings

5. Joanolga Outdoor Heater

• Dimensions D x W x H: 8"D x 9"W x 7"H

Best for: Portable three-setting greenhouse heater.

Why it ranks #5: This portable greenhouse-suitable heater offers 20W, 750W, and 1500W settings, with overheat protection that automatically powers it off.

Three power settings—20W, 750W and 1500W—give this Joanolga heater options for different heating needs in a greenhouse, patio or workspace. Its 3-second PTC ceramic heating is intended to warm quickly, while portable construction makes it easier to move between suitable locations.

The low, medium and high modes allow users to select among 20W, 750W and 1500W outputs rather than operating at just one listed setting. PTC ceramic technology is specified for quick heating, and adjustable temperature and wind speed add further control over operation. Its portable format is useful when the heater needs to move between a greenhouse and another listed setting. Overheat protection triggers automatic power-off if overheating occurs. The listing does not specify a thermostat probe or remote app control.

Skip it if you need remote app control and probe readings; pasapair QY-BY1263 connects to Smart Life for temperature monitoring and adjustments.

This Joanolga is a fit for growers who value portable placement, multiple power settings and overheat protection in a greenhouse or workspace. Its listed controls are on the heater; remote app monitoring is not specified.

Listed on Amazon as: Outdoor Heater for Patio, 1500W Electirc Greenhouse Heater, Yellow

#6

6. LUCKY HERP Infrared Heat Lamp

• Voltage: 120 V

Best for: Red-light brooder bulb users.

Why it ranks #6: The 250W red infrared bulb is listed for greenhouse plants as well as poultry and pets, but it provides localized lamp heat.

A 250W infrared bulb pairs heat with soft red light, offering a brooder or coop option for keepers who want warmth and gentle illumination from one lamp. The listing also names greenhouse plants, pets and small animals among its intended uses.

The 250W rating identifies the bulb’s heating output, while its rapid-heating feature is intended to provide warmth in cold environments. Soft red light is described as less stimulating to pets’ vision and supportive of rest, which can matter for nighttime coop or brooder use. Its R20 shape and 120V specification help buyers check bulb format and electrical needs. The glass bulb is supplied as a single unit, so its use depends on a compatible fixture; no thermostat control is listed.

Skip it if you need a light-free bulb for nighttime heat; LUCKY HERP 150W Ceramic Heat Emitter produces heat without visible light.

Select this LUCKY HERP bulb for a brooder, coop or greenhouse setting where red illumination alongside heat is welcome. Check that its R20 bulb format suits your fixture, and note that temperature regulation is not listed.

Listed on Amazon as: LUCKY HERP Infrared Heat Lamp for Chickens – 250 Watts Red Heat Lamp Bulb 1 Pack, Heat Light Bulb for Brooder Coop, Food Service, Chicks, Pet, Reptile

#7

7. Enhon Chicken Coop Heater

• Voltage: 100 to 120 V and 60 Hertz
• Weight: 0.44 kg

Best for: Adjustable brooder temperature control.

Why it ranks #7: Its 59–90°F temperature control and 200W heating suit targeted warmth, though the product is primarily a chicken-coop and animal heater.

A 59–90°F adjustable temperature range gives the Enhon heater a clear use case for poultry keepers who need to set warmth for chicks or other enclosure occupants. It also pairs 200W heating with three integrated LED lights, adding illumination in low-light coop conditions.

Once the unit reaches its selected temperature, it maintains constant warmth, reducing the need for continual manual temperature adjustment. The 200W rating and 100–120V, 60Hz specification help buyers check its electrical requirements, while the five-foot ultra-long cable gives more flexibility when positioning it near a brooder or enclosure. Three integrated LED lights add visibility in dim conditions. The listing identifies flame-retardant material among its construction materials, but does not specify an automatic timer or remote control.

Skip it if you want automatic switching on a schedule; TFNN HL-002 lists 3-, 6- and 12-hour timer settings.

Pick the Enhon for a brooder or enclosure where adjustable temperature, steady warmth and built-in lighting are useful together. Its five-foot cable supports placement flexibility, but buyers seeking scheduled timer operation should look elsewhere.

Listed on Amazon as: Enhon 1 Set Chicken Coop Heater, Timing Heat Lamp for Chickens, Smart Temperature Control Chicken Brooder Heater Greenhouse Warmer, 5 Ft Ultra Long Cable Reptile Heating Lamp for Chicks Duck Dog Cat

#8

8. TFNN Chicken Coop Heater

• Voltage: 1

Best for: Timed coop and reptile warming.

Why it ranks #8: The adjustable three-level lamp is described for greenhouse use and includes overheat protection, but its UVA and UVB features target animals.

A mixed bulb array combines eight full-light bulbs, 12 UVA bulbs and four UVB bulbs, giving this TFNN lamp a broader lighting and heating role than a basic heat bulb. Three brightness levels and a timer let keepers adjust its operation for poultry, pets or reptile enclosures.

The three-level brightness adjustment offers a way to change light output, while the 3-, 6- and 12-hour timer supports scheduled operation rather than requiring manual switching at each interval. Its E36/E27 bulb compatibility and overheat protection are practical considerations when choosing a setup. The supplied facts also list a UV test card, useful for checking UV output, and identify chicken coops, rabbits, dogs, cats and reptiles among intended uses. The lamp is portable, but the listing gives no thermostat control.

Skip it if you need a set temperature maintained automatically; SmterCon MGP-2 includes an independent digital thermostat for temperature control.

Choose this TFNN lamp for a coop or enclosure where scheduled operation, adjustable brightness and UVA/UVB lighting matter. Its listed timer and overheat protection support routine use, but it is not the right fit when automatic temperature regulation is essential.

Listed on Amazon as: TFNN Chicken Coop Heater Lamps,200W-500W,Overheat Protection,E36/E27 Bulb Light, Reptile Heating Lamp 3-6-12 Hours Timer, Protable Greenhouse Heater for Outdoor Chicken Coop Indoor Rabbits Dog Cats

#9 · Light-Free Heating

9. LUCKY HERP Ceramic Heat Emitter

• Voltage: 120 V
• Weight: 11.68 oz

Best for: Light-free overnight heat bulb.

Why it ranks #9: The 150W ceramic emitter produces heat without visible light, a useful trait for nighttime animal enclosures rather than general greenhouse heating.

This 150W ceramic heat emitter produces heat without emitting visible light, so it can warm an enclosure at night without adding light that may disturb pets’ sleep. The two-bulb pack gives reptile, amphibian and poultry keepers a spare emitter or a second heating point.

The light-free output is the key fit for nighttime use, while the listed 150W rating helps buyers assess the bulb’s heating role in an enclosure. The manufacturer describes a temperature rise noticeable after 10 seconds and heating within four minutes, offering a quick-start option when warmth is needed. Its ceramic construction and A19 bulb shape are specified, and the 120V rating identifies its electrical requirement. This is a bulb-based emitter, not a thermostat-controlled standalone heater.

Skip it if you need a thermostat-controlled heater for a greenhouse; SmterCon MGP-2 includes an independent digital thermostat and automatic power control.

This LUCKY HERP pair suits keepers seeking light-free nighttime heat for an enclosure or poultry setting. It offers a simple bulb format and two emitters, but the listing does not provide automatic temperature regulation.

Listed on Amazon as: LUCKY HERP 150W Ceramic Heat Emitter, Reptile Heat Bulbs, Ceramic Heat Lamp for Reptiles, Amphibian, Chicken, Dog, Cat (2-Pack)

#10

10. Roodike Hanging Coop Heater

• Dimensions D x W x H: 8.2"D x 6.7"W x 8.2"H
• Voltage: 110 V
• Weight: 0.79 kg

Best for: Height-adjustable poultry brooder.

Why it ranks #10: Its 150W and 300W settings and 6.5-foot hanging chain target poultry and pet spaces, with no stated greenhouse-specific controls.

Two heat levels—300W for adult poultry and 150W for chicks—let the Roodike heater adapt to different stages of poultry keeping without changing the unit. A 6.5-foot hanging chain supports height adjustment, making the suspended heater useful when positioning warmth over a coop or brooder pen.

The two power settings connect the heater to adult poultry and chick brooding, allowing keepers to select the listed output for the intended use. Its 6.5-foot chain lets users adjust hanging height, while the 9.8-foot power cord gives reach from an outlet to the installation point. The metal mesh cage and aluminum-alloy cover are specified protective construction features, and installation involves attaching the cage and adjusting the chain. The listing describes it as waterproof, but provides no thermostat setting range.

Skip it if you need temperature-based automatic switching; SmterCon MGP-2 includes a digital thermostat that controls heater power.

Choose the Roodike for a poultry coop or chick brooder where hanging height and two output levels suit the setup. Its cord and chain help with installation, but it does not list thermostat-based temperature control.

Listed on Amazon as: 300W Hanging Chicken Coop Heater for Chicks Brooder Pen, Pet House