DC Motor Slim Series Residential Suspended Heat Energy Recovery Ventilators (ERVs 150~350 m3/h)

● Comfort Air + Energy Saving
● BLDC Motor
● Inner EPS Structure
● Sub-HEPA F9 Filter Optional
● Higher efficient brushless DC motors
● Night Time Free Cooling
● Timer Operation
● CO2 Operation
● Seasonal Auto Operation
● Intelligent Controller for Option
● WiFi connection App for Option


Products Detail

How to Install Ceiling Type Heat Energy Recovery Ventilators


Holtop is the leading manufacturer in China that specializes in air to air heat recovery equipment.   Since founded in 2002, it is dedicated to the research and technology development of heat recovery ventilation and energy saving air handling equipment for more than 20 years. 

Holtop headquarters is located at the foot of Beijing Baiwang 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. As a well-known manufacturer in the field of heat recovery, its laboratory has passed national authoritative certification, and has a strong R&D team and dozens of national invention patents, participated in the compilation of multiple national standards, and is selected as a National High-Tech Technology Enterprises.

Holtop has mastered the core technology of heat recovery, independently developing products like plate and rotary heat exchangers, various heat &energy recovery systems and air handling units. Products have been exported to more than 100 countries and regions. Holtop cooperates with world famous brand or offer OEM service including Hitachi, LG, McQuay, TRANE, Systemair, Aldes, Haier Gree, MHI Group, Midea, Carrier, etc,and has provided equipment for national projects many times including 2022 Winter Olympics, Wuhan Cabin Hospitals, World Expo Exhibition, etc. Holtop continuously ranks the top in domestic market of heat and energy recovery ventilators.

ceiling ERV

Models:   ERVQ-D150-2B1 / ERVQ-D250-2B1 /ERVQ-D350-2B1
ECO SMART PRO features

Durable appearance design

  • Anti-corrosive, beautiful, durable
  • Excellent anti-corrosion performance
  • Metallic texture
durable design erv
EPS Structure

  • Integrated EPS for good insulation and air tightness.
  • No condensation.
  • Light weight, heat preserve, silent, environmental
  • friendly, no odor
  • EPS is a high polymer material widely used for building
  • insulation, floor heating, refrigeration, industrial casting
  • and other industries.
EPS structure (2)
Higher Energy Efficiency and Ecology by Powerful Motors
Full series Eco Smart energy recovery ventilator are built with higher efficiency brushless DC motors, power consumption is reduced by up to 70%, resulting in significant energy saving. VSD control is suitable for most of the projects air volume and ESP requirement.
High efficiency temperature and humidity recoveryHoltop crossflow heat exchanger is built in the full eco smart pro series ERV, heat recovery efficiency up to 82% in winter, the allowance of moisture exchange between fresh air and exhaust air make a comfortable indoor temperature and humidity. 
enthaply heat exchange
New primary filter
New primary filter is made of aluminium alloy frame and
rubber filtration materials with nicer appearance and
longer service life.
eco vent pro07
Sub-HEPA F9 Filter integrated optional Optional sub HEPA F9 filter, particle diameter under 2.5μm can be filtered effectively, IAQ (indoor air quality) will be
increased obviously.
S u b - H E PA F 9 f i l t e r
Supper slim body design 
Eco-smart pro ventilators are designed specially for the projects which have very strict ventilator height requirement, compared with the traditional congeneric products, ECO Vent Pro ERV’s height is 20% off. Access door is at the bottom so maintenance is much easier.Supper slim body
Specifications and dimensions

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