Xiaomi Smartmi ZNNFJ07ZM Smart Heater [EU] (Banggood, Aliexpress: Model: ZNNFJ07ZM, Noise: ≤ 35.6dB, Color: White, Voltage: 220V, Power: 2000W, Gear Power: 1200W / 2000W (the best price with coupon)).
Just check coupons out (with price alert and history). Let’s see what best price is ATM.
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.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in Europe 
. This is new product in my database, so I don’t know if this price is good.
Link: Banggood product page
1. ($130.99): BG07ZMFRT
2. ($133.97): BGHOMEA13
3. ($144.99): 7bcdf9
apply it in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): BGSTWR, PICODICOM, BGSWRC, bGpAnDacHeCk, BGHOMEAPP, bGhOnEy10, BGSS10%SW, bgshOOp10, BGHome15%, BGZNNFJ07ZM, BGHOMEAPP13, BGZNNFJ07, BG12ZNNFJ07ZM, BGZNNFJ07ZMHT
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
There is only one database record (it was for $130.99), so you can’t see price history chart.
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)).