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Greenhouse Growing Tips

Great greenhouse tips and useful information to keep your greenhouse running efficiently.

  ::Construction Tips
  ::Garden Tips


Tips on Heating Your Greenhouse

Heat conservation is first. Seal and insulate where needed.

For Reliable Central Heating Services, call on Cardinal Heating and Air Conditioning of Kirkland, WA

  • Heat only as much as your plants require (this may feel cool to you).
  • Reduce heat loss by using a Heat-Saver Fan to pull heat off the ceiling.
  • Our Prewired Portable Heater Thermostat will also save heat by accurately turning your 120 volt heater on and off.

How To Calculate Heat Requirements

The following formula can be used to determine the approximate heating requirements of your greenhouse: A X D X 1.1 = Btu's. "A" is the total wall and roof surface area of your greenhouse. "D" is the difference between coldest outdoor winter temperature and the night temperature desired in your greenhouse. "Btu's" is the heat requirement. Subtract 30% if greenhouse is insulated using double glazing or polyethylene liner. Subtract another 30% if it is a lean-to greenhouse on heated wall.

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