Heating
Greenhouses can do a lot to keep your plants warm, but your garden may need something more for extreme temperature drops. Maintain heat even in the dead of winter with easy-to-install greenhouse heaters from Greenhouse Megastore.
We carry a wide selection of greenhouse heaters, including electric, natural gas, and propane models to suit any growing setup. To make shopping simple, use our filter menus to narrow by heater type, fuel source, or shipping method. In addition to complete greenhouse heating systems, we also stock replacement parts and installation brackets for use in greenhouses, garages, sheds, and other garden spaces.
When freezing temperatures threaten your plants, trust Greenhouse Megastore for high-quality greenhouse heaters and garden heating solutions to keep them protected all winter long.
Garage Heaters, Modine Heaters, Propane, Natural Gas, Commercial Heaters
Commercial Greenhouse Heaters
When the temperatures fall outside your growing facility, a greenhouse heater will keep plants warm. Our complete line of heaters is cross-compatible with a variety of heating applications, including greenhouse heating, warehouse heating, garage heating and everything in between. Choose from an electric, natural gas or propane greenhouse heater in a multitude of sizes when you shop at Greenhouse Megastore.
Heating a Greenhouse with Premium Heaters
Just like humans, plants need to be at the optimal temperature to reach their potential. Our greenhouse heating solutions provide the heat your plants need during extreme conditions. Our large selection of heaters are available in configurations to fit any growing structure.
Our selection includes single-stage and two-stage greenhouse heaters from trusted brands like Modine and Phoenix. While forced-air heaters remain the most common choice, we also carry separated combustion heaters, infrared models, and blower heaters—giving you a full range of greenhouse heating systems to match your specific growing needs.
Efficient and Reliable Heaters
These greenhouse heaters are built from durable materials and are available in multiple fuel options, allowing you to choose the system that best fits your setup. For growers who also need to manage moisture levels, steam heaters are an excellent choice to boost humidity inside the greenhouse.
In addition to our large selection of greenhouse heaters, we stock a variety of heaters for your garage, deck and more. Whether you need a small greenhouse heater for personal use, a giant heater to use in educational structures or a portable heater to provide localized warmth, Greenhouse Megastore has the right product.
Click on any greenhouse heater to view detailed specifications and recommended coverage areas. Many products include videos so you can see them in action before you buy. At Greenhouse Megastore, we combine industry expertise with competitive pricing to bring you the best value in greenhouse heating systems.
Greenhouse and Garage Heater Install Parts
Once you’ve chosen the right greenhouse heater to protect your plants and equipment, make sure you have the parts and accessories needed for installation. Greenhouse Megastore carries everything required to set up gas heaters, including sturdy installation brackets. You’ll also find brand-specific heater parts for Modine and Solaria, as well as universal propane heater components that make setup quick and hassle-free.
Electric and Gas Heater Accessories
Use our greenhouse heater parts for initial heater installations and to fix issues with your existing heater.
Browse our collection of hanging garage heater mounting kits. We have wall and ceiling brackets that save floor space, let the heater work more efficiently and are designed to support the heater's weight. Gas heaters also require good venting, so pick up a heater vent kit that removes harmful fumes and circulates fresh air.
We stock a wide range of greenhouse heating parts, including voltage controllers, air deflector hoods, gas connectors, aluminum sealing tape, and replacement heater elements. You can also upgrade your system with a summer-winter heating switch, which automatically adjusts heater and fan functions by season for more efficient and comfortable operation.
Heater Support from Greenhouse Megastore
If you need help installing a gas heater or selecting the right parts, call us Monday through Friday at 1-888-281-9337. Our team provides full product support to ensure your greenhouse or garage heater installation goes smoothly. Plus, with our Price Match Policy Guarantee and one-year warranty, you’ll always get the best value when you shop at Greenhouse Megastore.
What type of greenhouse heater is best?
Electric heaters work well for small spaces, while propane and natural gas heaters suit larger greenhouses. Infrared and separated combustion models are ideal in humid environments.
How many BTUs do I need to heat my greenhouse?
Multiply your greenhouse’s cubic feet by the temperature rise needed, then divide by heater efficiency. This gives the BTUs required.
Are electric or gas greenhouse heaters more efficient?
Electric heaters are efficient for small setups, while gas heaters are more cost-effective for larger spaces needing consistent heat.
Do I need ventilation with a gas greenhouse heater?
Yes, gas heaters require proper venting to remove fumes and bring in fresh air safely.
