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News – EN 2019-11-28T09:51:16+00:00

NEWS

Swiss Rotors has team up with SVL Inc. to work together in Midwest.

SVL is a major manufacturer’s representative with offices in Minneapolis, MN and Fargo, ND, working with the best manufacturers in the North America.
SVL’s team is comprised of expert engineers with first-hand experience advising on HVAC solutions for projects of all sizes. SVL will work with you from design and selection to start-up, ensuring your goals are met. SVL’s team is very professional with true team spirit and exceptional work culture. SVL’s unique approach to business is to guide and advise their clients on step of the process – from design to installation and maintenance. Energy efficiency is one of major consideration when choosing best HVAC system.
SVL offers Swiss Rotors 4” and 8” energy recovery wheels in a wide range of rooftops, including Daikin and Aaon brands. In addition Company promotes Swiss Rotors for custom AHUs and wheel replacement projects. With high quality of service and availability of […]

29.11.2019|NEWS|

Another new production line of counterflow heat exchangers in Switzerland

Swiss Rotors AG is pleased to announce that it has opened a new counterflow heat exchangers production line at its factory in Oensingen, Switzerland.
New line will certainly help in the further dynamic development of the company. Now overall production capacity exceeds 60,000 exchangers per year and is still growing. The new investment is a continuation of company’s strategy: maintaining the highest quality at the best price, with the fastest delivery time.

The new line represents the highest efficiency and it’s the answer to a constantly growing heat exchangers market in Europe.

Most of the production process is supported by robots, which allows to repeat production at the highest precision. Automation allows to completely eliminate the risk of making a mistake in production. In turn, the production speed guarantees the customer an extremely fast delivery time – from 2 weeks from order to delivery. And most importantly, at a price that is much […]

28.10.2019|NEWS|

Counterflow heat exchangers, operating principle and their application

1. Introduction

Energy recovery in air handling units (AHU) can be carried out in several ways. One way is the use of cross-flow or hexagonal heat exchangers, which utilize formed hexagonal heat exchanger plates built into a housing that causes two air streams to pass in opposite directions and transfer energy from one air stream to the other.  Hexagonal heat exchangers allow for more efficient energy recovery compared to cross-flow heat exchangers due to the increased heat transfer surface resulting from the elongation of one dimension.   Hexagonal heat exchangers are countercurrent heat exchangers realizing energy recovery in a passive system (without supplying additional electricity as is the case in regenerative rotary heat exchangers). One of the leading producers of highly energy-efficient hexagonal heat exchangers (Fig. 1) is the Swiss Rotors company (http://swissrotors.com).

2. Energy balance of the hexagonal heat exchanger

The operation of the hexagonal heat […]

27.09.2019|NEWS|

Energy recovery in rotary heat exchangers – key technical elements that affect energy efficiency

Heat recovery systems can be divided into two categories based on the thermal parameters of the system.  Systems for energy recovery and conversion from waste heat with high thermal parameters (above 70oC) and systems for energy recovery and conversion from waste heat with low thermal parameters (below 70oC).

Heat recovery and energy conversion systems above 70oC are used in technological processes that take place in the energy, food, chemical and other process-based industries where large amounts of waste heat are released. This waste heat with high thermal parameters can be used to improve the energy and economic efficiency of enterprises by directly heating air in ventilation systems or by augmenting technological processes requiring higher temperatures (e.g. the heat source for heat pumps used for pasteurization in the food industry, or for the production of electricity in Organic Rankine Cycle or Kalina Cycle systems). Waste heat with such elevated thermal parameters […]

12.09.2019|NEWS|

Balancing energy efficiency and indoor air quality

The commercial Heating, Ventilating and Air Conditioning (HVAC) industry of North America finds itself in an increasingly difficult balancing act between providing energy-efficient systems and improving Indoor Air Quality (IAQ) for the occupants of commercial buildings. The balancing act occurs as designers work to meet the intent of 2 primary Standards produced by the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE), namely ASHRAE Standard 62.1 (Ventilation for Acceptable Indoor Air Quality) and ASHRAE Standard 90.1 (Energy Standard for Buildings Except Low-Rise Residential Buildings).
ASHRAE Standard 62.1 defines the amount of outdoor air to be brought into a conditioned space, depending on the application and occupancy rate. This outdoor air will need to be conditioned (filtered, heated, cooled, humidified, dehumidified, etc.) to meet the building design temperature and humidity levels, increasing the energy consumed by the building.

ASHRAE Standard 90.1 provides guidelines for […]

12.08.2019|NEWS|

Counterflow heat exchanger with Hygiene Institut Test-certificate

The Swiss Rotors AG company pays a lot of attention to the high quality of its products, which is confirmed by certificates and tests, such as Conformity check to the design requirements of selected technical guidelines

Our Counterflow heat exchanger is fully approved by Hygiene Institut des Ruhrgebiets.
Basis of examination: VDI 6022, sheet 1 (01/2018), SWKI VA104-01 (01/2019)

In conclusion it can be stated that the examined Counterflow heat exchanger Swiss Rotors specified in the test report W-314772-19-HO, is in compliance with the design requirements of the above mentioned regulations.
Not everyone is aware of it, but the average person spends up to 90% of the day in the room. Therefore, indoor air quality is an important factor in our overall well-being and health protection.

Building materials, furniture and consumables can emit volatiles into the air, which can lead to health problems such as headaches, fatigue, […]

29.07.2019|NEWS|

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