University site on the principles of phase separation with the Rotational Particle Separator. Includes a calculator for designing a separator.

UK-based industry board representing air conditioning and refrigeration industries to the UK Government and European bodies.

Training and certification in all segments of the HVAC/R industry.

Heating, ventilation, air conditioning and refrigeration industry news and relevant solutions for environmental and energy issues.

Tools and basic information for engineering HVAC systems. Includes dimensions, materials, standards and system configurations.

A collection of documents in PDF format about building design and related themes.

Presents theory and design of cryocoolers including Stirling machines and Pulse Tubes.

Trade journal for heating, piping and air conditioning with archive of all feature articles dating back to 1992 (download on purchase).

Based at Technical University of Denmark. Reports on research focusing on the effect of the indoor environment on humans, mainly thermal comfort and air quality.

Offers a patented ventilation system with dehumidification of fresh air to reach humidity and indirect evaporative cooling to reach temperature. Dry air for pool and spa with heatpump.