$79.99 – Rated frequency: 50Hz, Size: 176 *176*472mm, Color: White, Brand: Xiaomi, Rated voltage: 220V~, Net weight: about 2.2kg, Product name: Indoor heater, Rated power: 2000W.
According to my DB the lowest price is $79.99 for Xiaomi MIJIA Fan Heater PTC 2000W (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Latest coupon code price check (UTC time):
Banggood ($79.99)
Banggood warehouse is located in China. There are no coupons for this product in Banggood. You probably want to know if this is a good price. From what I can see this price is higher than average price ($70.07).
Link: Banggood product page
Price: $79.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGCOUPERTBF8, BGSPRING8OFF, BGHONEYSP, BGESJY8
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for Xiaomi MIJIA Fan Heater PTC 2000W. The lowest price was: $67.15.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).