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Holtop Bedroom Double Way Fresh Air Heat Energy Recovery Vent Heat Exchanger
Opening a window can make your air feel less stuffy, but this isn’t practical during the hotter and colder months of the year, plus it invites pollen and other allergens into your home. A Healthy HOLTOP heat energy recovery ventilator (ERV) helps keep your air fresh without creating a potentially uncomfortable situation.
1. Airflow 150m3/h 2. Energy recovery 3. High efficient crossflow total heat exchanger 4. 8 speeds 5. Quiet operation 6. Innovative 3-layer filters 7. Easy installation | ![]() |
It can expel the stale air indoor out of room, meanwhile supplying the fresh air outside into the room, by using the advanced heat/energy recovering technology, the energy can exchange taking advantage of the difference of the temperature and humidity between indoor and outdoor air. By this means, it can not only solve indoor pollution problem, but also save energy.

1. Made by third generation E.R. paper
2. Structured with flat plates and corrugated plates.
3. Two air streams flow crossly.
4. Fire retardant and mold resistance, certified by national authority.
5. Total heat recovery efficiency up to 80%.

- High efficiency, energy saving by 20-60%
- Good liability and stability
- Easy maintenance
- Longer service life
- Strong vibration resistance with lower noise and smooth operation
- Superior torque performance, big starting torque with less starting current




Fresh air ventilator operation noise low to 23dB(A), making the room more quiet and comfortable, having no influence to your living.





Holtop is the leading manufacturer in China specializing in the production of air to air heat recovery equipments. It is dedicated to the research and technology development in the field of heat recovery ventilation and energy saving air handling equipments since 2002. The main products includes energy recovery ventilator ERV/HRV, air heat exchanger, air handling unit AHU, air purification system. Besides, Holtop professional project solution team can also offer customized hvac solutions for different industry.
Holtop headquarters is located at the foot of Beijing Baiwangshan Mountain, covering area of 30,000 square meters. The manufacturing base is in Beijing's Badaling Economic Development Zone, covering an area of 60 acres, with an annual production capacity of 200,000 units of air heat recovery equipments.
Holtop builds a sound certificate system of ISO9001, ISO14001 and OHSAS18001 as well as product certification systems. Moreover, it has a laboratory certified by national authority. As a well-known manufacturer in the field of heat recovery, Holtop has a strong R&D team and possesses dozens of national invention patents, and participated in the compilation work of several national standards, Holtop was also elected as Zhongguancun High-Tech Enterprise.

Holtop cooperate with world famous brand or offer OEM service.

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