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Cler

Cler provides a filter-free centrifugal air purification system for commercial buildings, kitchens, industrial facilities, and data centers. The technology separates particles by weight and density, capturing contaminants down to PM0.5 without clogging or requiring filter replacements. The system integrates with existing HVAC infrastructure, installs in one day, and includes a 20-year service plan.

Traction 5/10
Stockholm, Sweden · HQ
Founded 2020221K+ followers
  • Clean Technology
  • Hardware
Updated 7 days ago

Funding

Funding rounds are not available yet.

Founders

Founder details are not available yet.

Product

Problem

Traditional air filtration systems rely on disposable filters that clog over time, requiring frequent replacement and manual maintenance. This creates performance degradation, operational downtime, and significant waste—disposable filters generate 30 million tons of waste annually, and less than 10% of buildings worldwide meet WHO air quality guidelines.

Solution

Cler provides a filter-free centrifugal air purification system that separates particles by weight and density, continuously removing them without clogging or performance drop-off. The system integrates with existing ventilation infrastructure and operates 24/7, with particles drained automatically during operation—requiring no manual cleaning or filter changes. Cler monitors itself through embedded sensors tracking air quality, pressure, power, and temperature, sending alerts before issues become problems. The technology delivers continuous PM0.5 filtration with consistent performance, eliminating the maintenance cycle and reducing operating costs.

Target Audience

Primary customers are facility managers and building operators in commercial buildings, commercial kitchens, industrial facilities, and data centers that require consistent air quality without maintenance-intensive filtration systems.

Features

  • Centrifugal separation technology generating forces up to 5,000 g to capture particles down to PM0.5
  • Lamella stack design with 25,000 m² separation surface maintaining low pressure drop under heavy load
  • Self-cleaning operation that continuously rinses away particles (approximately 0.5 dl/month for a 1,000 m² building)
  • Built-in monitoring system tracking air quality, pressure, power, and temperature with real-time alerts
  • One-day installation with integration into existing HVAC systems
  • 20-year service plan with no consumable filter replacements
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