We know it's hard to imagine that the atmospheric river will ever stop dumping water from the sky, but at some point, it will not only be summer, but it will also feel like summer. Before we knew words like "heat dome," summer temperatures ticked upward, and air conditioning (central and window units) became more common in Portland homes.
Here is an incredibly accessible tutorial on air conditioner maintenance. Don't be daunted by the thirty-minute run-time! All the information is handy, and there are plenty of visual guides and demonstrations.
If your AC unit is hard-to-reach, or you do not DIY, and you're looking for a professional, let us know if you need a recommendation.