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Crawl space dehumidifier CTR 300TT2

Adsorption dehumidifier for permanent installation in crawl spaces, with a dry air flow rate of up to 300 m3/h

Crawl space dehumidifier CTR 300TT2

Adsorption dehumidifier for fixed installation in crawl spaces, with a dry air volume of up to 300 m3/h. CTR 300TT2 has one of the market’s lowest energy consumption.

CTR 300TT2 is specially designed for use in crawl spaces where the requirements are for robustness, operational safety and long service life. Thanks to our patented damper solution which creates negative pressure in the crawl space, CTR 300TT2 is also suitable for air and radon decontamination. CTR 300TT2 has been part of our range for 15 years and is one of our faithful servants.


Some advantages of CTR 300TT2:

  • Controlled and monitored with HomeVision.
  • Designed for foundations up to 200 m3.
  • Effective for air and radon decontamination.
  • High quality and long service life.
  • Energy efficient and has low operating costs.

Read more about crawl space dehumidification

Technical data

Dry air volume 200-300 m3/h
Wet air volume 45-130 m3/h
Power supply 230 V, 50 Hz
Power consumption 1015 W
Real consumption 850 W
Process air inlet Ø 160 mm
Wet air outlet Ø 75 mm
Dry air outlet 1x Ø 100 + 2 x Ø 50 mm
Noise level (3 m) Ca 56 dB
Weight 16 kg
Dimensions (L x W x H) 420 x 325 x 360 mm
Dehumidification capacity at: 20°C, 60% RF 21 l/day
Dehumidification capacity at: 10°C, 60% RF 14 l/day
Dehumidification capacity at: 5°C, 60% RF 12 l/day

Easy monitoring with HomeVision

The dehumidifier is controlled and monitored by our HomeVision system, which consists of a hygrostat placed in the crawl space and a wireless, digital control panel inside the accommodation.




Additional items Similiar products
Ljuddämparslang 160

Flexible silencer Ø160

Flexible silencer that is mounted on the process air connection to avoid any blowing noise.


Mounting Kit TT multi

Complete mounting kit for mounting and suspension of crawl space dehumidifier STD-TT and 300TT2.

Utbytesfilter 9920184

Replacement filter 9920184

Replacement filter for: Adsorption dehumidifier CTR 150XT, Adsorption dehumidifier CTR 300xt...



Effective noise damping. Large silencing of blowing noise during pressure or suction drying with the turbine or combi machine.


Crawl space dehumidifier CTR 500TT

CTR 500TT is our largest dehumidifier for permanent installation in crawl spaces, with a dry air flow rate of up to 500 m3/h.


Crawl space dehumidifier CTR STD-TT

CTR STD-TT has a dry air flow rate of 200-220 m3/h and is specially developed for foundations where there are only moisture issues.

Questions or concerns?

You can always contact us at Corroventa if you have any inquiries about our products or solutions. Do you have a challenge with water, moisture, odor, radon, or pests? Reach out to our headquarters, and we'll assist you further.