Main features
1)Sensible heat recovery
2) Total separation of fresh air & exhaust air streams
3) Heat recovery efficiency up to 80%
4) 2-side press shaping
5) Double folded edge
6) Completely joint sealing.
7) Resistance of pressure difference up to 2500Pa
8) Under pressure of 700Pa, air leakage less than 0.6%

Working principle
Two neighbor aluminum foils form a channel for fresh                   
or exhaust air stream. Heat is transferred when the air
streams flow crossly through the channels, and fresh      
air and exhaust air is totally separated.

Holtop Factory

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.