Let me answer together at once
After 20 minutes the room temperature can reach out to 18. with that said, if I set up at 20 degrees, it will not work until it goes down. That is the example of my living room, with totally 3000w machines work together.
The surface temp of my machine is 52 degrees, I can put my hand on it without any hurting, that is the reason I thought it was really safety for my kids.
The other reason I love it is because you are not feeling that you have 4 heating machines working in your room, it is so silent, good for me because I love silence.
Re electronic expense, I would believe it will not exceed if I use air conditioner
Any questions feel free to ask! |