Essential business infrastructure for your HVAC company.

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In Revenue We Trust

Launching soon. Corsius was founded on 17 April 2026 by Jan Duras. It is a product operated by Durasius s. r. o. (DURASIUS), the parent company at https://durasius.com. In Revenue We Trust. Essential business infrastructure for your HVAC company.

© 2026 Durasius s. r. o. (DURASIUS) (opens in new tab). All rights reserved.

Corsius is a product operated by Durasius s. r. o. that builds and manages core business infrastructure for HVAC companies, including brand, website, marketing presence, and automation systems. Corsius provides foundational infrastructure within this scope but does not replace your internal operations such as sales, call handling, lead management, customer communication, or overall business processes. We are not liable for business outcomes or your company's reputation; our role is limited to providing the foundation and support. All results, including bookings and revenue, always depend on how the business is actually managed and operated.