
LEVOIT
Superior 6000S Smart Evaporative Humidifier
Smart, large capacity; cleaning and whole-home coverage polarized.
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It’s definitely possible. I’d recommend a aprilare 800. It’d have to be mounted on the supply side of the furnace with the hydrometer on the return.
We are planning to get an Aprilaire whole house steam humidifier. There’s an option to get a small fan box that gets installed inside the wall and it looks like a white air vent. The fan runs with the steam humidifier to distribute when you can’t have a humidifier in line with HVAC. We have a boiler so can’t add that to it and use about 5-10 gallons of reverse osmosis water a day with ultrasonic humidifiers. The steam system can humidify 35 gallons a day if connected to a 240V connection and the salt from our water softener doesn’t need removed by RO.
I have a century house in NEOhio, and the only fix has been an Aprilaire steam humidifier. It does work and maintains humidity level, BUT it will use some power! The canister I change once a year for about $85 bucks.
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.
If you have central heating and air I HIGHLY recommend looking into a central humidifier especially if you are in a very dry area. Set and forget with auto water feeding and humidity setting with minimal (like 1x a year) maintenance. They are usually not super expensive to install either. I like the Aprilaire units.
If you own your own home, get the AprilAire that attaches to your furnace. Idk how much they cost but it would be cheapest in the long run.

LEVOIT
Superior 6000S Smart Evaporative Humidifier
Smart, large capacity; cleaning and whole-home coverage polarized.

Vornado
Evap40 Evaporative Humidifier
Durable, low mold risk; frequent wick replacement is a pain.

LEVOIT
LV600S Smart Hybrid Ultrasonic Humidifier
Smart, quiet; hard water causes white dust; cleaning polarized.

Aprilaire
800 Whole-House Steam Humidifier
Superior whole-house steam; high installation and running costs.

Aprilaire
Model 600
Whole-home furnace integration; output tied to furnace run-time.