Our home in the Northeast has hot water baseboard heating. After suffering from nosebleeds and headaches all winter, we got a cold-water humidifier. Running constantly, it can get one room up to 33% humidity. Without it, we have 15-18% humidity. We're getting tired of filling the tank, and I don't want to buy one for every room. I think we need a plumbed humidifier. Any tips from the professionals before I consult a local HVAC installer? Do they make ones that work independent of the heating and AC system? What brands are good? What has worked really well in the past?