Window units are not that expensive. Unless landlord is a slumlord, if you say you’re gonna leave if said landlord doesn’t fork up for a window unit, they’ll probably do it. Evicting someone and getting a new tenant is much more of a hassle.
A Reuters survey of housing regulations in all 50 U.S. states found that, while nearly half of them require landlords to maintain existing air conditioning units, none require that air-conditioning be provided. Nor do rental housing regulations describe air-conditioning as an essential service like plumbing, heat and electricity.
Window units are not that expensive. Unless landlord is a slumlord, if you say you’re gonna leave if said landlord doesn’t fork up for a window unit, they’ll probably do it. Evicting someone and getting a new tenant is much more of a hassle.