I am thinking of using a heater in the greenhouse this winter. Can any one suggest a reasonably priced thermostat to control the heat? I will probably use fan heater.
John, you can buy inexpensive greenhouse fan heaters which have a thermostat built-in. They are splash-proof and many have a 'frost' setting so they only come on enough to keep the temperature above zero.
If you want something more sophisticated with more precise control over temperature, then have a look here:
Bob I have a fan heater with a frost setting. I was thinking of getting another as I was worried it wasn't working properly as I thought they were meant to keep the temperature above 5 degrees. Have I got this wrong? is it that they should switch on at 5 degrees and keep the temperature above zero? If so then it's working and I can save my pennies
I've had a really cheap fan heater with a built in thermostat for years but it's never been satisfactory. I think the heat from the heater activates the thermostat far too quickly so it only warms the air for a few inches around itself.
I've now bought myself an expensive bio green fan heater with an external thermostat and so far it's working much better. OH did moan about how many years worth of veg I could buy for the same price though....
I think SG is about right Yviestevie, they can tend to turn off a bit too quickly because of the warmer air nearby recirculating. A thermostat is better as you can place it further away. I have a heated bench made with soil warming cable and a thermostat which keeps the roots at a set temperature and that seems to work well, especially with a bit of fleece draped over the pots. I don't have that many really tender things to keep going over winter though.
A trowel in the hand is worth a thousand lost under a bush.
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John, you can buy inexpensive greenhouse fan heaters which have a thermostat built-in. They are splash-proof and many have a 'frost' setting so they only come on enough to keep the temperature above zero.
If you want something more sophisticated with more precise control over temperature, then have a look here:
http://www.jungleseeds.co.uk/contents/en-uk/d106.html
Bob I have a fan heater with a frost setting. I was thinking of getting another as I was worried it wasn't working properly as I thought they were meant to keep the temperature above 5 degrees. Have I got this wrong? is it that they should switch on at 5 degrees and keep the temperature above zero? If so then it's working and I can save my pennies
I've had a really cheap fan heater with a built in thermostat for years but it's never been satisfactory. I think the heat from the heater activates the thermostat far too quickly so it only warms the air for a few inches around itself.
I've now bought myself an expensive bio green fan heater with an external thermostat and so far it's working much better. OH did moan about how many years worth of veg I could buy for the same price though....
I think SG is about right Yviestevie, they can tend to turn off a bit too quickly because of the warmer air nearby recirculating. A thermostat is better as you can place it further away. I have a heated bench made with soil warming cable and a thermostat which keeps the roots at a set temperature and that seems to work well, especially with a bit of fleece draped over the pots. I don't have that many really tender things to keep going over winter though.
Thanks every one for your suggestions, I will think about the responses and try various options.