Roof · Wall · Industrial
Attic ventilators to 2,284 m³/h, greenhouse exhausts to 14,000 m³/h, gable fans to 41,000 m³/h.
- Control
- Thermostat
- Power
- Solar + AC
- Ingress
- IP65 – IP68
- Rating
- Coverage m²
Products · Solar Ventilation
Solar Ventilation
Nine ventilation lines — roof, wall, industrial, ceiling, ducted, tent fans and skylights.
Factory-direct from COTECH Solar — TÜV / UL / IEC certified, full datasheets on every line, sales engineers reply within one working day.
41,000 m³/hBrushless DCSolar + AC hybrid5-yr warranty3 product lines
Overview
Solar Ventilation
Brushless solar ventilation for every space: roof and attic ventilators, greenhouse wall exhausts, 41,000 m³/h industrial gable fans with AC/DC hybrid drive, ceiling fans, in-ceiling ventilators, ducted blowers, dome tent fans, water-tank coolers and solar LED skylights.
01
Brushless drive
Quiet, efficient, long-life DC motors across every line.
02
Solar-priority hybrid
Free solar first, adapter or battery backup for 24/7 running.
03
Smart thermostat
Roof, wall and industrial lines start automatically by temperature.
04
5-year warranty
Run-tested and balanced before every shipment.
The line-up
3 product lines
Every line links to its full technical datasheet — specifications, drawings and warranty terms.
Ceiling Fan & Ventilator
12 V BLDC ceiling fans with 6-speed remote, and in-ceiling exhaust ventilators.
- Span
- 42″ / 56″
- Airflow
- 205 m³/min
- Draw
- only 24-32 W
- Duct
- Ø100 mm
Ducted · Tent · Tank · Skylight
Centrifugal duct blowers, dome tent fans, water-tank coolers and solar LED skylights.
- Duct
- 6″ / 8″
- Tent fan
- IP68 + app
- Tank cooler
- 21-22 h
- Skylight
- 3510 lm
Quick Answers
Frequently asked questions
Answers drawn from the specification tables and datasheets above — ask our sales engineers for anything model-specific.
How much airflow can COTECH solar fans move?
Roof and attic ventilators move up to 2,284 m³/h, greenhouse wall exhausts up to 14,000 m³/h and industrial gable fans up to 41,000 m³/h.
Do the solar fans run at night or in cloudy weather?
Yes — the solar-priority hybrid drive uses free solar power first, then an AC adapter or battery backup for 24/7 running.
Can the fans start automatically?
The roof, wall and industrial lines include thermostat control, starting automatically by temperature.
How much power do the solar ceiling fans draw?
The 42″ and 56″ BLDC ceiling fans draw only 24 – 32 W while moving up to 205 m³/min, with a 6-speed remote.
What warranty do COTECH ventilation fans carry?
Five years — every unit is run-tested and balanced before shipment.
Guides
Solar buying guides & comparisons
Practical, vendor-neutral guides to help buyers, EPCs and distributors choose the right solar products — module technologies, storage, mounting and more.
Continue your project research
Related products & buying guides
Solar Attic and Roof Fans Explained — Do They Work?
Solar attic and roof fans exhaust hot air using free sunlight, easing cooling loads and moisture. This guide explains how they work, what they achieve, and where they help most.
Sizing Solar Ventilation — Airflow (CFM / m³h) for Your Space
A step-by-step guide to sizing solar ventilation — how to work out the airflow (in m³/h or CFM) your attic, greenhouse or workshop needs, and match it to the right fan.
Application references
Send country, application, target model, required power, installation constraints and quantity. Request the current drawing, electrical table, installation instructions and certificate scope. A series summary is not an installation approval.
Request a model-specific quote →Documentation
Datasheets & documentation
Full specifications ready for engineering review — or ask us for per-model documents, IEC certificates and drawings.