Foundation Vent Fan With Humidistat

The v2d is controlled by a dehumidistat whichactuates the fan if the relative humidity rises above the selected set point.

Foundation vent fan with humidistat. A small fan is encased in the housing of the vent and runs continuously at a low speed when the humidity level exceeds the setting on the humidistat. Ventilator fans tend to be noisier than dehumidifiers. The second big consideration is the noise factor. The unit has a grated lid to prevent debris and pests from entering crawl space areas.

Thus it keeps your bath space and house smelling fresh and clean. An optional de humidistat activates the fan when humidity exceeds the owner determined setting 20 80 in conjunction with the built in temperature control. Includes 12 foot corded sensor probe. The fan creates negative pressure in the foundation to pull air through the foundation.

Can a foundation vent fan control humidity. Vent axia say that a humidity controlled fan is looking at the ambient humidity level to activate deactivate the fan and so it is important to remember that normal ambient humidity levels on a given day can trigger a humidity fan in just the same way as humidity generated by steam from the bath shower room or kitchen if the humidity level rises above the set point. The fan system is. When set this switch will turn the fan or whatever device is wired to it on when the humidity reaches that point.

The program can also set the fans to run continuously or on a timer at custom speeds. Durablow mfb m2d air out stainless steel 304 crawl space foundation dual fans ventilator built in dehumidistat freeze protection thermostat radon mitigation 4 5 out of 5 stars 382 99 95 99. It is wired for automatic operation when the temperature exceeds 50of. It prevent excessive humidity and remove cooking odors tobacco smoke in rooms up to 105 sq ft.

If you install this switch in a crawl space set it to 60 and wire a crawl space vent fan to it the fan will turn on at the 60 humidity level and stay on until the humidity level drops below 60 automatically. Fan speeds can be programmed to automatically adjust to high and low temperatures and humidity. Climates like parts of colorado where relative humidity is extremely low will dry a crawl space from the outside. Also features alarm warnings fan failure alerts eco mode and backup memory.

The eliminator attaches to virtually any standard foundation vent. 110 cfm rating of this vent fan is sufficient for most bathrooms. Powered vents are installed on one side of the foundation with open non powered vents on the other side. Now if you live in a climate where you have a low outside humidity all the time and you have a fan pulling that outside air into a crawl space that s high in humidity then that is true.