Home air recuperator positive and negative pressure ventilation fan hrv heat recovery ventilator

Intelligent touch screen controller

1)Airflow rate switch (10 speeds)              2)Temperature display                

3)Automatic bypass                                     4)Weekly timer   

5)Data memory/power to restart                6)Automatic defrosting             

7)Electric heater defrosting (optional)       8)Comfortable heating (optional)             

9)External ON/OFF (optional)                    10)CO2 concentration control (optional) 

11)BMS integration (optional)                      12)Working condition monitor (optional)

Holtop Factory

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 incluses energy recovery ventilator ERV/HRV, air heat exchanger, air handling unit AHU, air purification system. Besides, Holtop also offer turnkey 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 partner

Holtop cooperate with so many world famous brands, offering OEM /ODM service.

Holtop certificate

Holtop products stand for TOP quality in heat recovery ventilation filed in China, certificated by CE, CB, RCM, RoHs, FCC, ISO and other different approved tests like anti-flaming test, anti-mold test, energy saving product test. Etc.