Alternating Current by Katherine McIntyre

One broken air-conditioner. One record-breaking heat wave. One repair job gone right.
Kyle’s not looking for anything but an escape from his broken air-conditioning during the worst heat wave of the summer. And when his repairman ends up being a total fox? It sure as hell couldn’t hurt to give the guy his number.
Garrett wasn’t expecting the adorable twink in 3B to proposition him, but he can’t help inviting him over. Yet when their scorching night together grows hotter than the temps outside, their one-night stand turns into a date, and that date turns into something neither of them expected…