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Product ID: TV-HPS-QPS6   
Category: Dehumidifiers

Powered Temp-Vent Series 6 (One Piece Construction)

Description: Powered Temp-Vent systems are designed for foundations that require a higher rate of airflow and for areas that are difficult to vent. Depending on the model they can move large amounts of air per hour. Designed to run continuously on a low speed, they draw minimal electricity. However, Temp-Vent recommends power vents be fitted with a thermostat and a humidistat to control the operation of the vent.


To determine the correct number of Power Temp-Vents, use the following formula:

  1. Multiply the square feet of the crawl space by the height in feet. This gives the number of cubic feet in the crawl space.

  2. Multiply the cubic feet in the crawl space by the number of air changes per hour desired (4-6 is the recommendation). This gives the total number of cubic feet of air that has to be moved per hour to produce the desired number of air changes.

  3. Divide this number by either 7,200 or 11,160 depending on which model is being used to obtain the number of power vents needed.

  4. Install Automatic vents to provide air intake on one side of the foundation with the power vents on the other side to create a system of intake and exhaust.

Calculating how many foundation vents are needed.

Example: 1500 square foot crawl space x 3 feet high = 4500
4500 cubic feet x 6 = 27,000 / 7,200 = 3.74
Install 4 power vents with intake vents on the opposite side

Power vents should be placed on one side of the house with non-powered vents that act as intake vents, on the side.

A Thermostat should be used to turn the fan off in freezing weather to protect pipes under the home and save energy.
Click here for more Thermostat information.

A Humidistat should also be connected to the fan to control the operation of the vent. A damp weather shut-off humidistat will turn the unit off when it's raining outside.
Click here for more Humidistat information.

A Duct System is available that attaches to a powered foundation vent to provide targeted ventilation in hard to reach areas.
Click here for more Duct System information.


  • Series 6, High Output: 3000 rpm .8 amps, 115 volts 11,160 cubic ft./hr.
  • Series 6, Quiet: 1550 rpm .5 amps, 115 volts 7,200 cubic ft./hr.

If installing vent in a below grade foundation, a vent well is needed.
Click here for vent well information.

Note: The operation of this temp-vent may be loud when installed in a wood stud wall. To reduce noise, install in a concrete or cinder block foundation wall.


TempVents are available through Pest Control Supply Companies such as:















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