There is better technology out there then HEPA filters. And Honeywell purifiers pull alot of electricity. I’ve been using a new kind of air purifier for a year and have found a lot of my allergy problems have disappeared completely as well as any bad smells and stuffy air. Although not as cheap as a Honeywell it has solved all the problems. You need to look for a purifier that produces O3 as well as negative ion generation. If you need more info send me an email.
Dehumidifier’s have really only one purpose, to take the dampness out of the air.