How to build a heat sink for a self-heating greenhouse
This article originally appeared on Greenhouse Gnome.
Though greenhouses are effective for growing vegetables in different climates, heating them during long winter nights can prove quite costly. To reduce heating costs, it’s worth considering a self-heating greenhouse. A self-heating greenhouse does exactly what it says, helping your plants thrive throughout the darker months and helping you by saving energy.
Building your own heat sink is a simple process and is extremely cost effective. The only materials you’ll need are the insulation and the object that’s going to conduct the heat (for this you can use bricks, rubble or other dense materials) and some piping.
How to build a heat sink
Step 1
Dig the heat sink towards the centre of your greenhouse as this will ensure that the heat is distributed evenly throughout your greenhouse. The heat sink should also be centralized because if it comes into contact with glass or outside of the greenhouse it’ll lose heat quickly, making it less efficient.
Step 2
Step 3
Tips
- Build your greenhouse facing the sun.
- Paint a wall that’s opposite or adjacent to your greenhouse in white paint to reflect sunlight and heat the greenhouse.
- Consider building beneath the earth, as with a walipini greenhouse, since the temperature below the earth doesn’t vary by more than a few degrees throughout the year.
Video example from the BBC Show It’s Not Easy Been Green:
image: Thomas Eichmann (Creative Commons BY-NC-ND)
The post How to build a heat sink for a self-heating greenhouse appeared first on Greenhouse Gnome | Everything about greenhouses, nothing about gnomes.
For more articles about greenhouses, visit Greenhouse Gnome.
Source: http://www.greenhousegnome.com/heat-sink-self-heating-greenhouse/
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