Heating knowledge

May. 29, 2008 – Low-energy and passive houses are superinsulated and air-tight buildings where the space heating demand is considerably lower than that of buildings constructed in accordance with common buildings codes. Due to the low space heating demand, the annual heating demand for domestic hot water (DHW) typically constitutes 50 to 85% of the […]

Jul. 07, 2008 – As of February 2008 the test laboratory for heat pumps at ILK Dresden, Germany is accredited according to DIN EN ISO/IEC 17025. That will help to reduce long waiting periods for heat pump testing as recently complained by heat pump manufacturers. Accreditation was made for testing of water-to-water and brine-to-water heat […]

Aug. 12, 2008 – The U.S. Department of Energy (DOE) will launch a new ENERGY STAR® program for residential water heaters, effective Jan. 1, 2009. It covers gas-fired storage, gas-fired tankless, heat pump and solar water heaters. The program for gas-fired storage water heaters will take effect in two phases. For the first 19 months […]

Mar. 06, 2008 – Facing a rising demand for specific technical information, an interactive knowledge exchange, and for CO2 systems expertise, the Internet platform R744.com will change its looks and navigational features to enhance usability and ease of information gathering. Built on a more dynamic platform, the new version will feature a fresh design and […]

Jun. 18, 2008 – The second edition of CREA – the Heating, Conditioning, Energy and Environment International Business Forum Expo, will take place at Veronafiere, Verona, Italy from October 21 to 23, 2008. CREA is not like a traditional trade fair: it is an event with an innovative format that combines the effectiveness and immediacy […]

Jun. 25, 2008 – For air-to-air heat pumps installed in second and holiday homes in Denmark (more than 200.000 properties) the Danish Electricity Saving Trust has prepared the introduction of a new Energy Saving Label. Six criteria must be fulfilled to qualify for this recommended Energy Saving Label. Source: ScanRef

Jul. 15, 2008 – Geothermal systems operate for 1/2 to 1/4 the cost of most other heating and cooling systems! In January 2006 the U.S. Federal government changed the minimum efficiency for air conditioners to 13 SEER from the previous minimum requirement of 10 SEER. Geothermal systems are up to twice the minimum required efficiency! […]

Jul. 29, 2008 – The German manufacturer Roth Werke GmbH offers a newly developed solar-assisted GSHP system called “Solargeo-Energiesystem”. According to Roth this system provides an efficiency increase of up to 25 percent compared to commonly used GSHP installations. The Solargeo-Energiesystem combines a solar collector, a brine-to-water heat pump and compact geothermal collector packages (Registerstation) […]

Sep. 17, 2008 – The European Parliaments Industry Committee backed EU legislation that targets extensive deployment of renewable technologies, including all types of heat pumps. New rules could also promote, or oblige, the use of renewable technologies in new and existing buildings. The European Parliaments Committee on Industry, Research and Energy (ITRE) voted on 11 […]