GreenGro
greenhouse heaters

As high as 99% thermal efficiency
The GreenGro’s pattent-pending design combines advanced performance and superior fuel efficiency to reduce energy costs and grow profits. unlike conventional vented heaters that exhaust 20% of heated air straight out the stack, the GreenGro converts 99+% of its fuel into clean heat energy. So you get more heated air into the house per fuel dollar.

Whether you are comparing thermal conversion or seasonal (year-round) efficiency, the GreenGro outperforms even the most advanced competitive products for a lot less money.

Features

Superior Heat Management
Offered in both 220,000 and 120,000 Btu/h propane or natural gas models, all GreenGro heaters include:

  • Dependable, fuel efficient spark ignition
  • Quick response on-demand heat
  • Powerful long reaching blower fan
  • Easy integration with building controls

GreenGro Plus models offer several additional features for even greater fuel efficiency, including:

  • Two-stage temperature control
  • Heating and air circulation modes
  • Tri-Shield triple coated protection against case corrosion

CO2 Enriched Environment
The GreenGro not only saves you money on heating costs; it also delivers all the benefits of a highly efficient CO2 generator, providing 1250 ppm concentration in only 15 minutes of full output.

Indoor or Outdoor Installation
The GreenGro is the only greenhouse heater that offers you the choice of inside or outside installation. Optional, easy-to-install indoor and outdoor mounting kits save you time and growing space.

 
Minimum Air Exchange Requirements
 
120/120 Plus
220/220 Plus
Indoor
Installation
(cu. ft. per min.)
300 cfm
550 cfm
Outdoor
Installation
(sq. inches of exit area)
120 sq. in.
220 sq. in.
 
Description
BTU
Part #
Price
GreenGro 120 LP Heater
120,000
FUR3100
$793
GreenGro 120 Natural Gas Heater
120,000
FUR3101
$793
GreenGro 220 LP Heater
220,000
FUR3102
$1,057
GreenGro 220 Natural Gas Heater
220,000
FUR3103
$1,057
 
GreenGro 120 Plus LP Heater
120,000
FUR3104
$874
GreenGro 120 Plus Natural Gas Heater
120,000
FUR3105
$874
GreenGro 220 Plus LP Heater
220,000
FUR3106
$1,163
GreenGro 220 Plus Natural Gas Heater
220,000
FUR3107
$1,163
FOB Castle Rock, MN
 
Options
 
 

Indoor Install Kit includes motorized inlet shutter, exhaust fan with shutter, eyebolts and chains.

Outdoor Install Kit includes exhaust shutter and outdoor mounting kit.

 
Description
Part #
Price
GreenGro 120 Indoor Install Kit
FUR3108
$430
GreenGro 220 Indoor Install Kit
FUR3109
$512
GreenGro 120 Outdoor Install Kit
FUR3110
$210
GreenGro 220 Outdoor Install Kit
FUR3111
$231
     
Thermostat Kit
FUR3112
$43
Two-stage Thermostat Kit
FUR3113
$100
LP Gas Regulator
FUR3114
$41
Natural Gas Regulator
FUR3115
$65
1/2" x 10' Gas Hose
FUR3116
$27
Piping Hardware
FUR3117
$12
FOB Castle Rock, MN
Support

You will need the free Adobe Acrobat Reader to view these files.

GreenGro 120/120 Plus Installation Instructions (PDF, 401K)
GreenGro 220/220 Plus Installation Instructions (PDF, 440K)

GreenGro is a trademark of L.B. White Co.

 
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