It also needs a fresh or combustible air intake from outside. The A-1 is 16.3 inches wide, 17.5 inches deep, and 25 inches tall, constructed of non-rusting mill polished aluminum outer shell, supporting a 24 gauge aluminized steel firebox with vertical flues for maximum air circulation, and an enclosed stainless steel burner rated at 25,000 BTU. This heater must be vented with a 3 inch vent pipe for proper draft.
25,000 BTU – $630
(vent pipe sold separately)
Although it does require a fresh or combustible air intake from outside of the greenhouse. The C-1 is round in design, 12.5 inches in diameter and 22 inches tall, constructed of non-rusting mill polished aluminum shell supporting a stainless steel burner rated at 20,000 BTU.
20,000 BTU – $499
(vent pipe not required)
QMARK™ Electric Heater, 220 Volt, Fan Forced Heaters, Built-in Thermostat, 17,065 BTU, Wall or Ceiling Mount
Call for Price
Portable Electric Heater, 110 Volt Grounded, Automatic Thermostat, 1300 – 1500 Watts, 4,435 – 5,120 BTU
Call for Price
In addition, this process returns humidity to the greenhouse air, and assists in filtering out dust particles. Fan speed may be manually controlled, and an optional thermostat is available. Coolers require very little maintenance, yet the pads can be easily removed and cleaned with a garden hose as needed.
Evaporative units provide clean, fresh, cool air for your greenhouse, and are many times more cost efficient than conventional refrigerated air-conditioners.
WC-28, 2800 CFM $506,* WC-35, 3300 CFM $679, WC-44, 4000 CFM $750, *WC-46, 4500 CFM $780,* WC-50, 5000 CFM $859, Thermostat $146, Leg Kit $30, * Remote Control Available $50
Freight costs apply and are not included in listed prices.
Exhaust Fan Assembly, Automatic Shutter, 12” – 650 CFM – $320, 16” – 870 CFM – $411
Air King™, Wall Mounted Oscillating Fans With Pull Cord, 12” Fan – $130, 16” Fan – $145, 18” Fan – $182