The OTTC and BITZER: Then and now

The Open Trade Training Centre (OTTC) recently had their 25th anniversary. They celebrated 25 years of internationally certified training courses for Commercial and Industrial Refrigeration, Air-Conditioning, Ammonia Refrigeration, Heat-pump Systems, Electrical Engineering, Controls for R & AC and Transport Refrigeration. They also celebrated 25 years of award winning excellent and quality courses that provide and... Continue Reading →

VARIPACK in Superspar

We pride ourselves on our ability to turn a regular compressor into an INTELLIGENT COMPRESSOR. An example of this is an installation of the ECOLINE VARIPACK. The VARIPACK and the software that accompanies it results in a reduction of energy costs and allows a system to run more energy efficiently. Recently, our BITZER compressor in... Continue Reading →

10 things technicians should know about next generation refrigerants

Refrigerants are exponentially improving as the demands for eco friendliness and energy efficiency increase. New, alternative refrigeration gasses have become mainstream – dominating the HVAC&R market. HFCs are becoming a thing of the past and with expanding research and growth of HFOs (Hydrofluro-Olefins), HCs (Hydrocarbons) and CO2. Training of HVAC&R technicians is essential. Here are... Continue Reading →

Next generation of compressors for CO2 applications

 World premiere: compressor specialist BITZER will be showcasing its new ECOLINE+ reciprocating compressors for the next generation of CO2 systems for the first time at Chillventa·         CRII mechanical capacity control for CO2·         Line-start permanent-magnet motor (LSPM)·         Integrated intelligence with new operating concept in the CM-RC-01 IQ module·         Outstanding eco-efficiency and simple system integrationNuremberg/Sindelfingen, 11 October... Continue Reading →


 C02 (R744) – FREQUENTLY ASKED QUESTIONSWHAT IS R744R744 is the chemical reference for carbon dioxide (CO2) used as refrigerant. It is a naturally occurring substance that can be applied as a working fluid in different heating and cooling applications, due to its excellent heat transfer properties and its high volumetric cooling capacity.ARE R744 & C02... Continue Reading →

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