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250CMH Residential ERV HRV fresh air system designed to deliver quiet and powerful ventilation with double filtration for enhanced indoor air

250CMH Residential ERV HRV fresh air system designed to deliver quiet and powerful ventilation with double filtration for enhanced indoor air

Product Details:
Place of Origin: Beijing,China
Brand Name: Holtop
Certification: CE
Model Number: DX2.5DCB4
Detail Information
Place of Origin:
Beijing,China
Brand Name:
Holtop
Certification:
CE
Model Number:
DX2.5DCB4
Model:
DX2.5DCB4
Speed:
1-5
Airflow(m3/h):
70-250
External Pressure (Pa):
24-100
Input Power (W):
60
Noise DB(A):
27-34
Power Supply:
220V/50Hz
Weight (Kg):
9
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Residential ERV HRV fresh air system

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250CMH quiet ventilation system

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double filtration fresh air system

Trading Information
Minimum Order Quantity:
1pc
Price:
Negotiable
Packaging Details:
box
Delivery Time:
Two weeks
Payment Terms:
TT
Supply Ability:
200000 units per year
Product Description
250CMH Residential ERV HRV Fresh Air System
The Holtop Residential Blower Fresh Air Filtration System (DX2.5B4) delivers quiet, powerful ventilation with double filtration for enhanced indoor air quality. Engineered for high-quality home living, this system provides fresh oxygen throughout your entire house while maintaining peaceful operation.
Key Features
  • Single-way fresh air filtration system supplies outdoor fresh air with high purification efficiency
  • Double filters with PM2.5 filtration rate exceeding 95%
  • Adjustable airflow from 150m³/h to 350m³/h for various applications
  • Compatible with Holtop energy recovery ventilators for enhanced air purification
  • Optional indoor circulation mode for air purification when outdoor air introduction isn't suitable
  • Efficient DC variable-frequency fan ensures powerful output while maintaining low 28dB noise level
Installation Options
Single-way Fresh Air Filtration System Installation
Single-way fresh air filtration system installation diagram
Single-way Fresh Air Filtration + Energy Recovery Ventilation System Installation
Combined fresh air filtration and energy recovery ventilation system installation diagram Detailed view of combined system components Complete installation schematic for combined system
Technical Specifications
Model Speed Airflow (m³/h) External Pressure (Pa) Input Power (W) Noise dB(A) Power Supply Weight (Kg)
DX1.5DCB4 5 150 80 41 32 220V/50Hz 9
4 120 64 29 -
3 90 48 27 -
2 60 32 25 -
1 30 16 23 -
DX2.5DCB4 5 250 100 60 34 220V/50Hz 9
4 200 80 31 -
3 150 60 29 -
2 100 40 27 -
1 50 20 25 -
DX3.5DCB4 5 350 120 114 37 220V/50Hz 9.5
4 280 96 33 -
3 210 72 31 -
2 140 48 29 -
1 70 24 27 -