if you want in wall and also to monitor power usage this is what i use for my roof coils.. goes up to 1800w 15amp
for plug in switch i recommend the zooz https://www.amazon.com/gp/product/B07578W7KY/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1
https://www.amazon.com/ENERWAVE-Monitor-Required-Interchangeable-ZW15SM-PLUS/dp/B079C32XMW/ref=sr_1_1?dchild=1&keywords=zw15sm&qid=1615826008&s=hi&sr=1-1