Heat Recovery Wheel CE and Eurovent Certificated
Specifications
1.Enthalpy heat recuperate2.Sensible heat recovery
3.CE certified
4.The largeest production base of the country
heat recovery wheel CE and Eurovent certificated
Holtop 90% efficiency heat recovery wheel
Rotary heat exchanger, also known as heat recovery wheel, thermal wheel and enthalpy wheel, is a type of energy recovery heat exchanger positioned within the supply and exhaust air streams of an air handling system, or in the exhaust gases of an industrial process, in order to recover the heat energy.
Features of Holtop rotary heat exchanger
- Synthetical material with high hydrophilicity. 3A molecular sieve can effectively avoid secondary pollution.
- Advanced technology and special rotary heat exchanger design, high efficiency up to 90%, sensible heat and enthalpy recovery available.
- Double sealing system and purge sector, air leakage less than 0.3% when temperature different is above 200Pa
- Various installation type and motor position available, convenient for each project case.
- Built in top quality imported motor from Germany, CE and Eurovent certificated.
1. High efficiency of total heat and sensible heat recovery
2. Double labyrinth sealing system ensures minimal air leakage.
3. Self-cleaning efforts prolong service cycle, reducing maintenance cost.
4. Double purge sector minimizes carryover from exhaust air into supply air stream.
5. Life-time-lubricated bearing requires no maintenance under normal usage.
6. Interior spokes are used to mechanically bond the rotor’s laminations to reinforce the wheel.
7. Completed range of rotor diameter from 500mm to 5000mm, rotor can be cut into 1pc to 24pcs for easy transportation, various types of housing construction is available as well.
8. Selection software for convenient selection.
Functions
Rotary heat exchanger (wheel) is mainly used in building ventilation or in the air supply/discharge system of air conditioning equipment. The wheel transfers the energy (cold or heat) contained in exhaust air to the fresh air supplied to indoor. It’s one important equipment and key technology in the field of construction energy-saving.
Rotary heat exchanger is composed of heat wheel, case, drive system and sealing parts. The heat wheel rotates powered by the drive system. When outdoor air passes through half of the wheel, return air passes through reversely the rest half of the wheel. In this process, about 70% to 90% heat contained in the return air can be recovered to supply air to indoor.
Working Principle
Rotary heat exchanger is composed of alveolate heat wheel, case, drive system and sealing parts. The exhaust and outdoor air pass through half of the wheel separately, when the wheel rotates, the heat and moisture are exchanged between the exhaust and outdoor air. The energy recovery efficiency is up to 70% to 90%.
Wheel Materials
The sensible heat wheel is made by aluminum foils of 0.05mm thickness. And the total heat wheel is made by aluminum foils
coated with 3A molecular sieve of 0.07mm thickness.
Holtop is one of the best manufacturer in ERV/HRV, heat exchanger and AHU area in China, founded in 2002, areas covered more than 30,000 square meters, turnover of 2012 is 42 million dollars, we have enthalpy testing lab. for products test. As a leader in energy/heat recovery equipments, we cooperate with more than 30 famous companies who located in Europe, the Middle east, Korea, Southeast Asia, Taiwan, etc. supplied equipment to Beijing Olympic and Shanghai Expo 2010, works together with domestic and international brands like Midea, Haier, Hitachi, etc.
Holtop partner
Holtop cooperate with world famous brand or offer OEM service including Hitachi, LG, McQuay, TRANE, Systemair, Aldes, York, Haier, Gree, MHI Group, Midea, Carrier, Dunham-Bush, etc.
Holtop certificate
Holtop products stand for TOP quality in heat recovery ventilation filed in China, certificated by CE, Eurovent, ISO and other different approved tests like anti-flaming test, anti-mold test, energy saving product test. Etc.
Holtop fair

1. Holtop can supply OEM service for customers.
2. Produce ERV/HRV, heat exchanger and AHUaccording to customer's special demands.
3. Supply spare parts according to order quantity.
4. General testing and operational test carried out for every units before delivery.
5. Long warranty period.
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