Greenhouse Tips


If you want limit how much you spend on heating your greenhouse when the winter comes, then best make sure your greenhouse insulation isn't sending the pennies out to where the snowmen are. Without decent insulation you could be missing out on energy savings in regards of your greenhouse heater and also struggle to preserve the accurate temperature within your greenhouse to produce the best yield. While greenhouse heaters are necessary, certainly during winter growing when frost can seriously damage your fruit and vegetables, the cost to initially set up and to maintain them during the year can add up, therefore greenhouse insulation is a must if you want to help your growth, increase your yield, protect against damage and save a few pennies to boot. It might be easy to overlook that slight gap in the structure of your greenhouse, but such things are simple to resolve and don't require much effort. Over the course of a year such small things can add up to decent savings.

There will always be a cost to sustain the correct environment within your greenhouse but ensuring you have your greenhouse insulated correctly can help lessen and manage those costs and give your fruit and veg the best opportunity to grow that you can give.

  • Gaps and cracks in your structure are one of the prime causes of draughts and heat loss. Seal them up. You can lose some 5% of heat from your greenhouse through just a small gap - think what many small breaches can do.
  • Where do the gaps come from? I'll fitting vents and doors are usually the big culprits. The ill-fitting door and vents can contribute to a substantial heat loss. Simply taping a plastic sheeting over your door / vents can diminish the heat loss by reducing draughts, but don't forget to replace any seals periodically.
  • If you have a broken window in a glass greenhouse - REPLACE IT! You'll be surprised how many people don't. Glasshouses with holes open to the elements don't do you many favours when it comes to insulating your greenhouse. Try to check often - especially in those places behind shelves and pots - for any broken or cracked panes.
  • Similarly, if you have a polythene greenhouse you have to keep checking for any rips or tears and either repair them or replace the sheeting.
  • Bubble wrap can act as an extra level of insulation to your greenhouse with an added bonus of helping to protect your greenhouse if it's made of glass. You need to be aware, however, that each layer of wrap will decrease your light levels in your greenhouse by upwards of 10%.
  • Larger greenhouses allow you to put a screen of polythene sheeting in place to cordon off particularly sensitive areas from draughts.
  • Installing roll-down blinds or thermal screens can protect from the colder temperatures at night. Any draughts from undiscovered breaches in your greenhouse structure can alleviated by roll-down blinds. Just make certain you roll up the blind and remove the thermal screens next day.
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