Gothic Arch Greenhouses

Most Trusted Name in Greenhouses & Supplies-Serving the Horticulture Industry since 1946!

PO Box 1564 Mobile, AL 36633 USA.
1-800-531-4769 (toll free) •  251-471-5238 (local) • 251-471-5465 (fax)

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Aluminum Lean-To Greenhouses
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Backyard Product

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Arch Series Greenhouses
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Greenhouse Heater

The HotZone" Electric Heater

Greenhouse Heating - The HotZone" Electric Heater

The highly efficient 1500W, 120V heater with the patented IRLens" raises the temperature of people or objects in a 14 square foot area, 8 feet from the heater, by 15 degrees or more. The Electric Radiant Patio Heater is a free-standing heater that comes with a safety tip switch and a cord that plugs into a normal wall outlet. Operating costs are 15 cents/hour when electric power costs 10 cents/KWh.

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Electric Heaters

greenhouse electric heating.

Warm up your home, garage or work area with this heavy-duty Portable Electric Heater. Energy-efficient, economical and easy to use!

  • Small units provide concentrated heat.


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Cayenne Gas Heaters

Greenhouse Heater

Cayenne Gas Heaters are easy-to-use mounting brackets allow fast installation with a professional appearance, Easy Installation and Maintenance, and Natural gas or LP available factory-installed or with a kit for added flexibility

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SEP - Gas Unit Heaters

Greenhouse Heating

The SEP series gas-fired propeller unit heaters deliver 80% thermal efficiency and 78% seasonal efficiency using natural gas or LPG in all models. This excellent efficiency sets a new standard for savings when using gas-fired unit heaters. Aluminum Heat Exchangers. (Stainless steel available please call.)  Also available in Natural Gas.

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Southern Burner Heaters

Greenhouse Heating

No electricity... Heaters use natural gas or LP and can convert back and forth. The heat is reflected, not radiated, so top and floor remain within 5 to 7 degr3ees of each other. Both vented and non-vented units are available with day/night set-back thermostat for separate day and night temperature settings. Photos from left to right... Vented, Non-Vented

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 Hot Dawg Heater

The Hot Dawg Heater may be installed in residential or commercial Greenhouses or garage applications just one inch below the ceiling. The superior quality matched with the following features makes the Hot Dawg unit heater an easy choice for a variety of applications.
Available in Natural Gas or Propane Gas

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Commercial Greenhouse Power Vented Unit Gas Heaters

The PDP (propeller) High Efficiency II gas-fired unit heaters are a generation of products that are inexpensive to install, easy to use, and offer excellent in-service economy. The PDP model series expands on the size range of the HD/HDB model series providing product that is certified for commercial and industrial applications in sizes from 150 through 400MBH.

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Electric Greenhouse Heaters

Greenhouse Heater

Modine electric unit heaters provide a wide variety of options in solving comfort-heating problems as well as an excellent alternative heat source depending on utilities available, size of application, and environment the heater is to be located within. Electric unit heaters are available in different orientations and environmental ratings.


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If you need to purchase a greenhouse heater, this heat-loss Btu calculator will help you decide on the size of heater needed for your greenhouse.

First, you need know the Surface Area of your greenhouse. Click the following link to use our Greenhouse Surface Area Calculators to find the total square feet of exposed surface area of your greenhouse.

Then click the following link to use our Greenhouse Heater BTU Calculator to find out minimum heater BTU rating to keep your greenhouse at an inside desired temperature during the winter time of year.  We hope this prove useful in helping to determine the size heater for your greenhouse. Let us hear from you for additional assistance. Call 800-531-4769.


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