>>752628This
>>752654If you own a house of your landlord can be reasoned with maybe split the difference there.
>https://www.youtube.com/watch?v=ubKw0qoSx5QHere's a good video.
Also maybe look into getting a good ductless cooling and heating system which is basically a modern energy efficient air conditioner but it doesn't suck ass and you don't have to knock a hole in your house wall to install it. I here glorious Nipponese Mitsubishi's are pretty gud but there's other options too.
Top things like that with some solar panels and you'd be pretty fucking golden senpai.