9 Ways to Heat a Greenhouse in Winter

9 ways to heat a greenhouse in winter described.

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[SimpleTek]

Please let me know if you are aware of any other method to heat a greenhouse!!!!

[dirtykeri]

A sauna on the other side of the north wall with vents into the greenhouse would work too. Then you would have a place to relax at the end of the day that will help your health as well. Sooth aching muscles from the work that has been done in the garden and greenhouse.

[TheRealHonestInquiry]

Great info here! If you're going the electrical route, a more efficient option is to heat a body of water rather than the air. So for example in a small space using a fish tank heater in a tub or barrel of water.

[chuckkottke]

Another method: I restored Grandpa's old European style greenhouse which is heated with wood, and the masonry chimney runs horizontally the entire length until the very end. For optimal use of the heat it works great and the brick acts as thermal mass storage (plus one side was filled with sand). It works pretty well if you've got the time to heat it up once a day.🌄. Plus it's inexpensive to build if you have a source for used brick.🌞 Think Russian Stove design. Plus it works as a passive solar thermal mass as it runs the length of the greenhouse beneath the slanted windows.🌻

[spencerwilton]

Such was the craze for pineapples in England three hundred years ago that wealthy aristocrats built huge "pineapple stoves" in which to grow them and so display their wealth and status. They were essentially heated greenhouses usually heated by coal stoves or hot water pipes again heated by coal. Pineapples became so associated with status that they even made in into architecture, with the stone carved pineapple becoming the finial on many gateposts, turrets, walls etc. For those who couldn't afford the heated greenhouses and manpower to produce their own, a pineapple could be rented for the evening to display as part of a centrepiece on your dining table to impress guests. History does not record what might happen if one of your guests decided to eat the pineapple, one supposes the hirer lost his deposit!

Melons were and are still grown in melon houses, similar to a pineapple stove, but making use of deep beds of manure usually contained within brick bays within the greenhouse to provide both constant low heat and as a a growing medium. Many examples from the Victorian era still survive at the stately homes of England.

[charlesscarborough]

Water barrels buried below frost line but tops are at surface of soil in center of small greenhouse, 3 barrels, 165 gals of water, 5 ft from edge from walls. Heat transfer to surrounding stone in contact with barrels. 50 degree temp will transfer for bottom of barrel to top of barrel, dispersing upward and outward but blocked with a thermal break at wall edges. Works for small greenhouse only.

[sl]

I've used a non-vented nat gas heater to heat a 400 sq ft ghouse now for 20 years. I make sure the intake comes into the back of the heater from outside, then the O2 sensor won't turn it off. I also use a water rated industrial 5 ft wide ceiling plan to de-stratify the heat down to the ground and all around. It works fantastic and is cheap. I also use the double poly too.

[johnwallis]

Surely the first thing you need to address when deciding how to 'heat' your greenhouse is whether you just want to keep the frost out during early spring when starting tender plants, or to heat it up to 'growing temperature' all the year round - that would make it a 'hothouse' and require a far more powerful heating system.

[TheRebelmanone]

The wood is a good choice if you are trying to keep cost down and especially if you have access to free wood. Also the ash from the wood should be added to the soil in the green house this way you get nutrient dense food.

[resilientfarmsanddesignstu]

Rocket and masonry mass heaters are specifically designed to use far less wood, to burn it hot, fast and clean and to burn in only twice per day — so they don’t have to be constantly fed. Due to its high thermal heat capacity, hot water is a good way to store heat. One of the best ways to store hot water is in barrels. What we do at our farm is to place the black painted water-filled barrels along the North interior wall of our sunken in slope greenhouse to passively collect solar heat when it is available. But we also connect these barrels to our rocket mass heater that is also in the greenhouse. On exceptionally cold nights, we burn wood in the mass heater to actively heat the water in the barrels. That way, the barrels are warm enough to radiate heat into the greenhouse all night long, even on the coldest Winter nights.

[ProlificInvention]

I have used a Chinese diesel heater with great success, and very inexpensively. I use the exhaust pipe heat to charge some recycled 25 gallon black steel drums. It uses about $1.50 a day in fuel to heat a 6'x12'x8' through a cold Michigan winter. With supplemental LED lights for cloudy/snowy days and dual wall inflated poly for a slight insulation effect.

[Richardofdanbury]

For the past 6 years or so I've used a Mr. Heater Big Buddy heater hung on the wall. I have to replace it from time to time with a new one but as they are often on sale for $89 US it works well. I've had to replace mine only once but have had to replace parts within the heater more often. Propane burning produces water vapor which keeps the 10'x10' greenhouse well humidified. There are two caveats however, at the beginning of each season you MUST clean all parts of spiders and webs as this will impede the flow of gas and cause a possible blow-back. The other is Mr. Heater advises not to use their heaters in a greenhouse precisely for the spider/web reason. Being vigilant to the above has proven to be good for my use.

[jenniewilliamsmural]

Your idea compilation got me to scheming! Here's a riff: a stand alone woodstove - send the pipe directly through a swimming pool whose continuous warmth keeps the hoophouse at temperature - and keeps the farmer sane and healthy in winter.

[holyword]

Good ideas! If I add a greenhouse on the south side of my house, I will have to plan it out well before renting an excavator. I may put in pipes below the frost line to get some thermal assistance for winter and summer. I already have a wood stove near it so I think I would run some hot water into the greenhouse (maybe hook it to a passive water system so I get both the benefits of the woodstove and sunlight.

[SOEtacticalgear]

thanks for the video. came up as a recommended since I have been watching videos of greenhouses and tunnels.

[janfreez]

An interesting channel... I have a small greenhouse 6x4 in the south of the UK... So, I usually add insulation (bubble wrap inside) and as a heating source using some tealights or paraffine heater with my DIY terracota pot heater on the top...

[grifb]

You could hook up solar panels to the electric heaters, if you also had a battery you could store and release that during the night.

[silverrose]

If your green house is close To your home . Dyer out let Can be hooked up to the green house . You can use old tv 📺 screen to use ☀️ shine to use the snow ❄️ to create steam . It’s free and very powerful . You can cook dinner too .

[lonewolf]

I just bought a complete greenhouse set up from Farmtec. When I’m done I’ll be about 6k dollars into it. I think it would be cheaper to go to the farmers market. But you never know if food is going to be available.

[HumanWisdom]

Congratulations for creating this excellent reference video well illustrated and explained, which is useful for everyone interested in finding a way to heat their greenhouse!