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Comparison of three recuperator heat exchanger types with airflow diagrams: plate, rotary, and enthalpy.
7 min read

Plate, Rotary, or Enthalpy Recuperator: Which One to Choose?

Comparing plate, rotary, and enthalpy recuperators? Learn which type best fits Lithuanian winters, A++ homes, and your long-term budget.

Condensation and moisture on a window edge, illustrating the consequences of poor ventilation after renovation.
4 min read

Mold and Foggy Windows: Centralized or Decentralized?

Mold and condensation after renovation are serious risks. Learn how decentralized or centralized ventilation protects your home and health.

Comparison of flexible blue ducts and galvanized steel pipes on a construction site
3 min read

Flexible vs. Steel Ducts: The Definitive Guide for A++ Homes

Deciding between flexible plastic and rigid steel ducting? Discover why radial flexible systems dominate modern builds and when galvanized steel is still the right choice.

Modern recuperators displayed on a table — different models for comparison
4 min read

How to Choose a Heat Recovery Ventilator: 7 Definitive Criteria

Building an A++ home? Discover the 7 engineering criteria to select a whisper-quiet, highly efficient MVHR system that perfectly balances your microclimate.