Latest Discussions : HVAC


12:13PM | 05/21/05
Member Since: 05/20/05
1 lifetime posts
We just recently put on new siding, exterior insulation and windows. I am having a problem with interior condensation along the base of the windows and along the ceiling and exterior facing walls of the house. It is most noticable during the winter months. We put on a new roof, vented the peak and I pulled back insulation that was covering the soffet areas. I installed baffles throughout to aid circulation in the attic. This will eventually ruin not only the paint but the wall board as well. I need help but dont know what to do next. We have placed dehumidifiers in the basement but this hasnt helped either.


06:37AM | 07/21/05
Member Since: 01/28/03
693 lifetime posts
You have excess moisture in your home.

It can come from improperly vented dryers and bathroom fans.

It can come from basements with dirt floors or other water intrusion problems.

Or it can come from using unvented gas, oil, kerosene or other type supplemental heaters.

These heaters give off lots of water while burning.

Find and eliminate the source of the the moisture and you won't have any more problems.


08:39PM | 08/01/05
Member Since: 11/27/04
172 lifetime posts
using bathroom fans whenever showers are used or a bath.

using the fan above the stove.

get a humidity gage to show the humidity in the house. 40% is good for less condensation. 60% will give lots of moisture problems.

dehumidifiers in the basement will need a temperature of about 72 degrees to pull down the moisture to 40 percent.otherwise they shut off.

Remember the past or all is lost.


12:45PM | 01/10/13
A big help in my home has been installing a condensation/dew sensing fan switch. In all three of my bathrooms, I have DewStop controllers. When condensation is present the the controller automatically turns on my exhaust fans and keeps them running till the room is suffiently dried out, they can be manually operated as well. No more fan left on for long periods of time or not being used at all. I didn't need new fans, just new controllers.

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