AHU is a large indoor commercial air conditioning equipment installed on rooftops. Contains filter, humidifier, blowers and heat exchanger in simple internal structure. Produces and supplies conditioned air to rooms through ducts
Calculator estimates pipe volume and liquid mass in pipes. Useful for irrigation systems and home heating systems. Supports both metric and imperial units. Default calculations use water density (997 kg/m³)
Available from 6 to 120 HP capacity with airflow from 3,240 to 59,760 CMH. Uses DX coil with 5 different coil capacities and 5 expansion valve options. Offers higher ESP and capacity than duct-type units. Features remote control via Daikin wired controller with optional adapter
ASV valves provide hydronic balance in two-pipe heating/cooling systems. Consists of return-pipe controller and flow-pipe partner valve. Impulse tube connects valves for pressure control. Works with RA-N/RA-UN pre-setting valves for balanced systems
Chilled water systems provide cooling for medium and large buildings. Ancient Romans used water through walls for cooling. Willis Carrier invented first centrifugal chiller in 1926
Founded in 1902 as industrial parts workshop by De'Longhi family. Incorporated in 1950, initially focused on portable heaters and air conditioners. Expanded to include all categories of small domestic appliances. Won Red Dot design award for Esclusivo kitchen appliances in 2007