You will need to figure out how many of these you will need to keep the temp at whatever setting you decide on. Also, instructions call for a dedicated 20 amp circuit which means nothing else can be on that circuit. Lastly, do you or someone you know, know how to connect it to power and a thermostat? I do not think it comes with a power cord.

Well, not thought out very well I guess. Would have ben nice to just plug it in like a big seedling heating mat

Susanne, the room I use for most of my citrus is mostly windows (although it is insulated) and sits on a cement slab with tile floors. The floor gets quite cold. I just bought those saucers that have wheels so the pots are elevated. Now, I know it does not get as cold here as it does in Michigan, but the heat generated by 50+ of those LED bulbs I use was enough that I only turned the heat on a couple of times during the night. I purposefully let the temps drop to about 55 (or a little less) over night. During the day, the room was quite warm, so warm in fact, that some days when outdoor temps were in the 60s, I had to open up some windows. The room is connected to the rest of the living areas of my home by a sliding glass door. Depending on how cold the night was going to be, I "eyeballed" a slit in the sliding door to allow some heat from my house to go in there. I had a thermometer in there that records the RH and temp, but also shows the high and low temp in a 24 hour period so I was able to see how cold it got over night.

I think you'd also have to put a flooring material over it. Wouldn't put pots directly on it, I imagine.

Laura how big is that room? My breeze way is about 8X8 or a bit bigger but not much. The walls are not really attatched to the house and rather flimsy. Sometimes wondering that they don't fly away with a storm but I guess the roof holds it down.

Hibiscus I have some leftover from harwood floor that I could but over it or lay some cheep tiles on top during the winter and take all away when plants go outside again.

Susanne, it is about 15x10. Here's a pic...

Here are shots

sory they're screenshots. I had trouble finding the pics on my phone.

I don't mind the screenshots. It just looks wonderful. I wish I could have a sun room like yours. I just have to make the best out of what I have. :)

Susanne, I leave the two recliners in there and every morning and evening I sit there and read. During the winter, when everything is dead outside, I have my tropical paradise. When the trees are in bloom - especially the Meyers or pomelos - omg, the scent is incredible!!

Okay, I know where I go for my winter vacation as it looks like only one recliner is occupied ;) For know I think I will have the trees contributed through the whole house. Hopefully some will bloom in my husbands office during that time.

Laura, gee, that rooms looks SO spacious with nothing in there..Ha...Bet you are not looking forward to loosing that space, but I guess it well worth the sacrifice!!!

Growing beets in basement is a great idea. Hubby and I love beets.

Mike, although I hate to lose the space, I love being surrounded by my trees during winter. The only thing I hate is that I know THEY are not as happy as they are outdoors. However, we make do :-). Susanne, if you can scramble over the thorny ones, you are welcome ;-) During winter, I often find a kid sitting in that other chair that I did not see bc he or she was totally covered up by the trees! Lol

Susanne, using your breezeway sounds like a good idea, shelter from the elements, lots of windows to catch the light. I think you can get around the cold concrete floor issue by setting your pots on those wooden boards +/- other insulating material (bubble wrap, polystyrene, rubber carpet backing etc).

But just how cold does it get during winter as it is, unheated? If it's uninsulated (and drafty?) is it even possible to get it warm enough? If you need to be running heaters all the time, what happens if you get a power cut overnight? Would the temperature drop enough in a few hours that you could kill your trees?

Apart from the practicalities (and expense) of heating it, that would be a risk that would have me stressing. If you don't have to use it this year, how about monitoring how cold it gets over this winter? Then how effective it is if you try to heat it? Or try just a few trees in there - the toughest ones or ones you don't like so much? Just my 2 cents worth...

Susanne, I been using the heat mats you list above for at least 7 or 8 years. They work VERY WELL. I plug them into a thermostat transformer and then set the transformer to whatever temperature range desired.

Something like this? It's a foot warmer for when you are working at your desk. I have one of these and may try it.

https://www.bedbathandbeyond.com/store/product/cozy-products-foot-warmer-heater-mat/1040004082?skuId=40004082&mcid=PS_googlepla_nonbrand_outdoorutility_online&product_id=40004082&adtype=pla&product_channel=online&adpos=1o2&creative=43742649229&device=c&matchtype=&network=g&gclid=EAIaIQobChMI4Pr2ybfo1QIVhjuBCh1SmALEEAQYAiABEgIeivD_BwE