Model 400

I have this whole-house unit installed in my forced air furnace: [https://www.aprilaire.com/whole-house-products/humidifier/model-400](https://www.aprilaire.com/whole-house-products/humidifier/model-400) In 2015 it cost me $816.50 to have it installed (I'm in Pennsylvania) - including parts and labor. So maybe estimate $1100 today. We turn it on with a fresh filter, usually in December, and it runs on automatic through the winter. I should change out the filter at least once in the winter but I usually don't. We turn it off in March/April.

Just get an aprilaire 400. They work fine for that size house.

My Aprilaire 400 works just fine with cold water. My windows sweat if it's set too high.

I have Mitsubishi P series as well. I put an AprilAire 400 on my return duct. You can locate it on the front (narrow) side of your return duct. Feed it from the close by supply side. Only use your thermostat for temp sensing not return. This is configurable in function settings. Works great. Steam uses too much electricity IMO.

Used to use those, they sucked. If you dont fill with distilled water they get white powdery shit everywhere, and they have to be refilled often. Whole house is much easier. I change the Aprilaire filter once a year. Its only used in the winter. Never would I want to walk around filling 4-5 humidifiers when theres one that never needs to filled. Plus the Aprilaire bypass humidifier was only like $275. **EDIT** nevermind, OP is talking about something else apparently, he has no central air

I've got it and love it. I keep the humidity down low though and if I need a little extra for the bedrooms at night I can run something on the nightstand. Helps reduce those dry air bloody noses and teeth sensitivity. I forget which version of the Aprilaire automatic that we have, but I keep the dial set at four and I've never had an issue with mold. I just want to take the edge off the dryness, not turn the house into a sauna.