Tjernlund Products' inception dates back to 1938 when Emil Tjernlund and his son Robert started designing and manufacturing oil fired forced air furnaces and custom packaged roof top heating and cooling equipment.
Tjernlund Products is still owned and managed by Emil's grandsons Robert, Tom and Emil's great grandson Bob. Over four generations, our mission has been to provide quality engineered and manufactured products that solve exhaust, ventilation and heating/cooling problems.
Fan powered crawl space ventilation quickly reduces moisture helping to protect both home and occupants.
Ventilates excess moisture, the cause of mold, mildew and wood rot. Increases air circulation to fight condensation.
Constant operation helps vent radon, treated wood off-gassing and odors that might otherwise migrate into living areas.
One fan and large face-plate sized for ventilation openings through block foundations. Includes thermostat, dehumidistat and pre-wired 6" power cord.
Two fans and large face-plate sized for ventilation openings through block foundations. Includes thermostat, dehumidistat and pre-wired 6" power cord.
Power ventilate musty, damp crawl spaces through existing passive vents. Controlled by a dehumidistat which actuates the fan if the relative humidity rises above the selected set point.
Humidity can promote fungus growth and increased termite activity. Humidity may also cause plumbing failures due to rust and corrosion.
Constant operation helps vent radon gases, treated wood off-gassing and other odors that might migrate into living areas. Deluxe models (V1D, V2D & V4D) are controlled by a dehumidistat which actuates the fan if the relative humidity rises above the selected set-point.
V1D | V2D | V4D | |
---|---|---|---|
Performance | 110 CFM | 220 CFM | 540 CFM |
Motor | 115/1/60 0.30 Amps | 2 @ 115/1/60 0.30 Amps | 4 @ 115/1/60 0.30 Amps |
Dehumidistat | OFF/ON or 20-80% RH | OFF/ON or 20-80% RH | OFF/ON or 20-80% RH |
Thermostat | Opens at 400F6 | Opens at 400F6 | Opens at 400F6 |
Dimensions | 18” x 9” x 2” in | 18” x 9” x 2” in | 18” x 9” x 2” in |
Excess moisture in crawl spaces causes mold, mildew and wood rot with the resultant odors often migrating to the living space above. Crawl space fans quickly exhaust moisture and odors to the outdoors through existing passive vents. Our most popular models include an adjustable Dehumidistat for automatic operation, a freeze protection thermostat and a 6 foot power cord.
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