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

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I also live in the NE. If you have a small coat closet, turn that into your guitar closet (you know you'll buy more guitars!). Then get a Vornado Evap40 humidifier and a SensorPush HT1 wireless hygrometer. Even in wintertime, I only have to fill the water every couple of weeks, and it keeps things right between 45-55% humidity. Those in the case humidifiers are just too tedious for me.
As others have said, evaporative humidifiers are more effective and last longer. And the wicks can be reused indefinitely if you soak them once a week in a vinegar/water solution. I have two sets of wicks, so the one not in use is always soaking, and I swap them once a week. Look for an evaporative model that has simple controls. They’re basically just a fan and a container. Avoid models that have a lot of complicated sensors and electronics. I have this one from Vornado and it’s been great: https://www.vornado.com/shop/made-in-usa/humidifiers-assembled-in-usa/evap40-evaporative-humidifier
I’ve had this Vornado model going on third year. It will shut off when you reach a desired humidity level and come back on when it drops. I use tap water, put it away come spring, and replace the wicks yearly. It works well for me in an open living room/dining room/kitchen area and I’d buy it again. [https://a.co/d/0j470Pmy](https://a.co/d/0j470Pmy)
The Vornado Evap 40 is the one I just got and it’s an analog model. It’s got wicks so you can use tap water. Super simple to use and works extremely well in my smaller room. I’ve got it on the lowest possible setting and it gets to 45% easily. I have a hard time keeping it low enough actually. Super simple to use and easy to clean because there are almost no nooks and crannies.
Living in Ohio but it’s been very cold and dry here too. Boveda or D’Adarrio humid packs and keep it in the case whe you’re not playing it. I got a Vornado Evap40 humidifier for in the room. It’s been below zero at night and in the teens during the day for a few weeks but that setup has it at 40-45% in the room and 47-50% in the case. I think if that still doesn’t work you could try moving it to a smaller room with the humidifier, basically less area to humidify so it should work better.
also recommending the Evap40. its not pretty, its not quiet, but it works. in terms of expectations, i have a humidifier on the furnace as well as the in-bedroom humidifier and maintain around 31% humidity. its just hard to maintain high humidity here in the winter
I use the Evap 40 which is super reliable and has been running for almost 5 years. My brothers had his for 10. You'll see it recommended a lot. Basic design with no screens or touch buttons and it just works. I've heard good things about the Levoit 6000s as well. A friend of mine uses one. Can be rolled around and has a hose that can be attached to a faucet to refill. Like the other comment said, go with a evaporative unit whatever you choose.

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.