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How can I lower the humidity in my home?

We have a gas boiler furnace, no duct work, no AC. I am running a dehumidifier nonstop to maintain 50% humidity in my living area (outdoor temp 30F, indoor temp 70F). This morning, my son's bedroom had 67% humidity!

We installed a bathroom fan and soffit vents in over the summer. II wonder if we need more.

Our basement is 36%. (The entry is from my garage.) Do I install floor vents from the main living area into the basement? Will this create a back draft for my gas appliances?

Most people would use a dehumidifier.

Several dehumidifiers.

Don't drip dry clothes inside.
Use fans to move air.
Open a few windows periodically

I have to ask. You said you have a boiler. Is it hot water or steam heat? If steam heat, is it one or two pipe system? A two pipe steam radiator will have two pipes coming from the radiator.

If and I say if you have a one pipe steam system, there will be silver air vents towards the top of the radiators. If not working correctly, they will let steam in you house and that's humidity.

If none of the above is correct, do you have any idea where the humidity is coming from? What is you location? What is the humidity in your house?

Does your cloths drier vent to the outside?

Hi, Amy. First off, it's a little moist in there, but not out of control. Some studies suggest 50 - 60 percent relative humidity is best, not undesirable. (During heating season, many of us use a humidifier to raise it. Here, mine barely makes it past 25, even with that.) What you've done so far is fine. Next thing I'd do is get another humidity gauge (about $8), to have a second measure, and don't park it in the kitchen or bathroom.

I'd wager you can reduce it by going after high-moisture generating sources. For a mom like yourself, that's stove-top cooking, hot baths & showers, and clothes drying. All three should be vented all the way outside, including an electric clothes dryer. Lots of people use a range hood that just blows right back in the room, not helpful for you. Keep a lid on pots. Use reasonable limits on bathing, and keep the door shut to help the exhaust fan. One little item - house plants. Don't have too many. That's a start. BTW, do NOT call the scam YA 800 number.

The humidity being especially high in your son's room makes me wonder if the radiator in his room is the source of the problem. Carefully inspect to ensure it isn't leaking and that there isn't a wet spot under it or any of the piping leading to and from it.

For my part, 67% isn't that bad. Here in E. TN that's considered a fairly crisp, dry day.

Buy a dehumidifier you can get them at sears.northers use them for their basements.

In summer run a dehumidifier or air conditioner or both; in winter turn off the humidifier

Use a dehumidifier.

Breathing puts a lot of humidity into the air on top of cooking and showers and laundry. What you do is leave a window open a 1/4-1/2"(maybe 2 windows across the house) This will allow moisture to leave the home. Even if it is raining outside, it is drier than inside your house.