Losing CASH Heating a Greenhouse? TRY THIS!
ฝัง
- เผยแพร่เมื่อ 15 ก.ค. 2024
- In today's video, we look at the issues of insulating the greenhouse following on from my recent video on winter greenhouse preparation. The main problem was how to improve the loss of heat by adding more layers of bubble-wrap insulation, without having to remove all the plants and benches. Take a look at my solution here!
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🕘CHAPTERS🕘:
0:00 INTRO
0:54 Some greenhouse heating alternatives
1:38 How can you keep heat inside a greenhouse during winter?
2:00 Why you can't apply more bubble-wrap when you have benches and plants in a greenhouse
2:25 The solution to greenhouse insulation?
4:10 What are the advantages of bubble-wrapping the outside of a greenhouse?
5:04 Can you bubble-wrap the outside of a greenhouse using all-weather tape?
5:47 How I've bubble-wrapped the outside of my greenhouse
6:20 How you can trap a layer of air when bubble-wrapping the outside of a greenhouse
6:47 Bubble-wrapping the roof of a greenhouse
8:40 Will you save money insulating the outside of a greenhouse?
9:30 Can you leave bubble-wrap on a greenhouse all year round?
11:05 Questions for subscribers
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The clips are good 😊
Bubble wrap not enough. Use a Mylar camping tarp. Mylar reflects 99 percent of heat back. I would pin it to a pet blanket or waterproof blanket. I would overlap them in the greenhouse because one gap ruins it.
In China they have greenhouse blanket with straw or insulation. Obviously don’t block your sunlight. Put it on at sundown to keep heat in the greenhouse at night
To be honest, I can't see myself realistically trying to throw any kind of covering over a greenhouse this tall and of these dimensions on a daily basis. And you're correct - the external bubblewrap lasted until the first storm - the most of the roof covering was blown off - although all the wall coverings remained intact throughout winter so that has to have helped to some degree. I really wish I could go back in time - because instead of a greenhouse I'd have bought a well insulated wooden building (like my 'Hothouse'). Light is easy to provide - really effective insulation to a greenhouse isn't!
@@Grow_Up_Man55 you don’t actually have to put it on the outside. Although the Chinese greenhouse blankets and Chinese greenhouses function that way.
I put mine on inside like cute little curtains. Was able to open it like blinds
It kept a 20 degree difference on average through the night without additional heat
Walipini is another option but requires earthwork
Do you cover just the roof or every wall and the gables ends too? I would love to see yours if you have photos you could email? Or maybe even a short video? I would rather completely cover the greenhouse and use more grow lights then continue to pay the ridiculous energy prices we have at present.
@@Grow_Up_Man55 check out a few of these ideas, good vid by the way th-cam.com/video/Dd-FOj7cuLc/w-d-xo.html
th-cam.com/users/SimpleTekvideos
th-cam.com/video/JXBe72rgZ-M/w-d-xo.html
Great video,thank you
Glad you enjoyed it, Woody! Hope it was useful. 😀
If you didn't have extra bubble wrap to roll up and stick in the openings to keep the air pockets in, you could use a pool noodle cut in half.
Haha yeah - or even pipe insulating foam. I've plenty of bubble-wrap off-cuts though - at least I'll making use of it rather than adding to the plastic mountain.🙀👍
Very interesting idea!
Glad you think so!😀
Thank you for all the info, I don't have a greenhouse yet but am still trying to find affordable grow lights cause I live in Turkey 🥰
My pleasure. In actual fact, using regular LED strip lights, while not as beneficial as grow-lights, still do provide some of the wave-lengths that plants need, and are a lot cheaper. So if I was you I'd look there first. They might not be 'optimal', but they're a good second choice and will make a difference to your plants.
@@Grow_Up_Man55 Thank you 🙏🙏 I sure will do some research on strip LED lights. 💖🥰
I just had a thought, I’ve seen some large polytunnels, I’m not sure about sizing but I wonder if you could get one of the really large polytunnel covers over your greenhouse 🤔 if you could secure it down that could really help keep more heat in and make it nice and toasty. Not sure if this is a very practical idea for your size green house, might be more suitable and easier to do for someone with a smaller one, but just a random thought I was having. Loving watching your videos you have lots of really interesting plants 👍
Thanks - I'm glad you're nejoying them. This year I'm going very radical - I'm going to use foil multilayer insulation to line the inside - which will completely block out the light but I think given the cost of energy it'll be worth it in the long run. There'll be a video coming on it once I've done it!
@@Grow_Up_Man55 wow that’s interesting, I hope it works out. Someone really should do an experiment on all these methods, tho to do it right they would need a field with loads greenhouses and a variety of insulation and heating methods, it would be interesting tho. I know we barely get much sun over winter, but I just wonder how blocking out any sun will prevent any sun heat getting in during the day and how plants will react to only having the grow lights. Do your plants go fairly dormant over winter?
@@Aw_tig The foil is reflective so will I won't lose anywhere near as much light from the grow lights. Growing this way in a box is a well established method and in a country like the UK which is fairly low light for half the year, this method should actually provide more light for more months of the year. The foil will reflect the sun, that's true, but nothing's perfect. My plants generally don't go dormant as they're mostly tropical in origin - and that's the main issue as to why I need to heat so much through the winter. If they all went dormant then I'd be able to simply set the heater just to keep the frost off. I'm really wanting a minimum of 12°C and for the Hothouse plants and minimum of 17°C.
@@Grow_Up_Man55 yes sounds good, I wasn’t sure how you would work out how much light the plants were getting, but I’ve just seen on another video that you have a light meter which looks great, I might have to get one of those just out of curiosity I don’t know too much about tropical plants and all the varieties, so it’s great learning about lots of them through your videos, thanks.
I hope one day I can have a greenhouse! First I need to buy a house, and if you think your electricity is high, I dare you to look at house prices in Sydney :( For now I'll just live vicariously through you and be thankful it doesn't get so cold and cloudy here :)
I think perhaps you should try terrariums! I'm planning on giving one a go at some point.
We live on Long Island and I just purchased a greenhouse last spring. We have decided to go with the double sided bubble wrap for the interior and I was wondering just how many degrees warmer it will become in the winter months I am speaking of January, February, and March, which are the coldest months here on the island, I also have added a small heater with a blower which has caused my electric bills to increase tremendously. Do you see that using bubble wrap has helped with your heating cost? Thank you.
The thing about any insulation is that it doesn't technically make the interior any warmer - it just slows down the exchange of heat/cold with the exterior. So for instance, I heat my greenhouse to 12°C - and the bubblewrap then slows down the loss of that heat to the outside which is far lower in temperature through winter. In my Hothouse I do the same thing - this time to 18°C - but as the Hothouse has better/more insulation, that rate of heat loss is much slower than in the greenhouse. Without the bubblewrap the cost of heating the greenhouse would undoubtedly increase by a large margin - but then I could improve things by adding more bubblewrap or another, more efficient type of insulation, thus reducing the rate of heat loss, resulting in the heater switching on at less frequent intervals. I hope that helps.
Hi good show . I met a Lady at a Farmers Market She sold Apple Chips , She dried them in her green house with food dehydrators she said they ran and heated the green house 24/7 . got free heat .
We'd all love some free heat during the winter! Currently it's over 40°C in my greenhouse so could do with some free cold!
Glad I've only a couple months of heating to worry about.
And even then you get warm days, mostly - don't you? I should change my channel name to 'Plants that go dormant in winter at 53° North'. Might get boring though...
@@Grow_Up_Man55 yeah the heater goes off during the day.
Is the sunlight that goes through the bubble wrap sufficient for plants or do you also use grow lights?
Nowhere near enough. I use grow lights. If I had to do it all over again, I'd focus on a greenhouse with as much insulation as possible - all polycarbonate instead of glass, for example. Lighting is relatively easy to solve whereas paying for heating in a country like the UK is a continual drain on finances.
You cannot calculate wether it retains heat for longer because now you bubble wrapped the exterior.It would have been interesting to compare the heaters cutting in & out times before & after?
Yeah I see what you mean Edward - but to make a direct comparison you'd need the external conditions - i.e. the temperatures, pressure, wind speed etc.... - to be identical when testing with and without the external bubble-wrap. In other words - I'd need a lab! 🤣 On the plus side it seems intuitive to me that it's got to have at least 'some' benefit to not having any at all. The more layers the better!
Put tuck tape on the seams! Make's for a complete seal!!!! And plastic does save when completly sealed
I used 'waterproof external' tape - not completely with success but it mostly worked. The wind and rain usually win in the end.🤷♂️
I am currently trying to heat an old 12×10 single pane green house! Its working well except to heat, you need the cement covered in foam and the entire inside covered with plastic! Although a layer of plastic on the outside would help, I just didn't because thier was glass!
They're just not designed for heating much above outside temperatures. If they were, I'd definitely go out and buy another one as a replacement!
Can you light candles in bubble wrap green house?
Some people do. But there will be a residue left. And you’d need an awful lot of them to make any measurable temperate difference. In my case, it would be futile.
Any thoughts on converting to heat with coal?
I can't say it's something I've ever seriously considered to be honest. In the old days here on the big estates it was the job of young boys to keep the boiler fed with fuel 24 hours a day - I don't think I could get away with that now...🤣 Until someone comes up with a more efficient way of harnessing solar or wind power on a scale as small as a greenhouse, I'm yet to come across any method of heating that's cheaper or as clean as using a fan heater running on electricity. Although I'm still very much open to suggestions.
@2:58 are called 'standing seams' in the u.s.a.
Which brand and model greenhouse do you have?
It’s a 14 x 10 foot Rhino greenhouse.
How'd it go? Any updates? Thanks.
Ok, well...it's practically impossible to make a direct comparison to previous years. Electricity prices change, and the weather each winter can be very different year on year. Additionally - I frequently change the temperatures depending on how the plants are looking and how low I think I can get away with. I work on the principal that 'any' amount of insulation extra to what you had previously HAS to be better - it's hardly going to make things worse. In terms of durability though...the sides and the gable ends all held firm throughout winter and summer - right up to the present. I'll just leave that in place. The roof though...that was a disaster. After the 4th storm of the winter I gave up and took what was left down from the roof. So overall - it was a semi-success! This year - when I'm recovered enough from my recent surgery - I'm doing this: th-cam.com/video/yDXy77zM028/w-d-xo.html
Challenge to quantify I can appreciate. You had some success, researched positives and negatives to protect your plants so thanks for sharing.
What about the crows will they not rip parts off for there nest if you attached the bubble wrap on the outside?
Crows didn’t touch it, but three storms did! In the end I gave up on the roof covering, but the walls are still wrapped externally.
@Grow_Up_Man55 bloody weather never mind along as the inside is good 👍
@@timnoble1601 Next weekend I’m starting to insulate the inside with insulation foil so keep a look out for a video on that. Fingers crossed that works better.
I've been looking into solar just running my fans, a solar system just for a couple fans is going to cost me more money than the electric.
A solar system could cost you the Earth! (Get it? Best I can do...🤣)
@@Grow_Up_Man55 I don't have $3,000 to just drop on a solar unit for two fans it's the lithium batteries that bite the wallet at $800 a pop.
@@toddstropicals Wow that's crazy! You could probably run the fans for 50 years on electricity for that much.
@@Grow_Up_Man55 yeah it's crazy!
Wouldn’t the bubble wrap cause less uv rays to make their way into the greenhouse?
Yes - as any type of shading will. But that’s preferable to burning the plants. It’s easily overcome by using grow lights inside - which is how I do it. 😁
I think the bubble wrap is a good ideal. However I am concerned about how much light gets inside the greenhouse. Have you had any problems with a lack of light for your plants?
I haven't, based on the fact that I have several grow-lights. In fact, if I could do it all over again, I would have a well insulated building with no windows whatsoever, if it meant I could save money on heating the place. Grow-lights can always be acquired and last for years - whereas insulating a building to the temperatures I need is always going to be costly - especially as a greenhouse isn't designed for heat retention. This year - once I'm recovered from my recent surgery, I'm blocking out the light completely. If I find there is insufficient light I'll simply buy more grow-lights. Here's what I'm planning to do: th-cam.com/video/yDXy77zM028/w-d-xo.html
@@Grow_Up_Man55 Thanks for your reply. 🙂
Gotta invest in aerogel
It would block all the light out - but maybe could be useful for parts of it. I know some people use polycarbonate for just the greenhouse walls.
@@Grow_Up_Man55 I thought it was translucent though
@@vivimannequin Maybe I'm looking at wrong product. Do you use it?
Bubble wrap wont last in the sun they will disintegrate
The side walls have lasted two years since this video was made. The roof lasted half a winter but kept blowing off in the gales so I gave up on it. I’ve recently tried something else inside which so far is proving to be far more effective. See here: The Ultimate in Greenhouse Insulation?
th-cam.com/video/cCyF6U-kLFU/w-d-xo.html