Is the installation difficult?

No, it supports one-stop installation through the internal wall with a single hole.

What is the noise level of the fan?

The fan operates quietly with a sound pressure level of less than 32.7dB(A).

Does it have smart air quality control?

Yes, it includes a standard CO2 sensor for real-time monitoring and optional humidity sensor and IAQ detector.

Energy-Saving Energy Efficient Ventilation Systems Controlled Home All-in-One Ventilation System

Name: Energy-Saving Energy Efficient Ventilation Systems Controlled Home All-in-One Ventilation System
Brand: Foshan Dumi Building Material Co., Limited
SKU: 2080428085

Guangdong, ChinaFoshan Dumi Building Material Co., Limited

US$170.00

1-99 Pieces

US$150.00

100-499 Pieces

US$140.00

500+ Pieces

Sample price:US$170.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic

Blade Material

Plastic

Model NO.

DBM5-W

Type

Exhaust Fan

Electric Current Type

Mounting

Wall Fan

Certification

RoHS, CE

Warranty

1year

After-Sale Service

Online Technical Support, Free Spare Parts

Application

Bedroom

Suitable for

Single Room, Bedroom, Hotel Room, etc

Heat Exchanger

Enthaply Heat Exchanger

Installation

Wall Mounted Erv

Voltage (V)

100V~240V AC /50-60Hz

Input Power (W)

6-7.8W

Current (a)

0.04-0.06 a

Rpm

2000 (Max)

Airflow (M3/H) L/M/H

20/40/50

Regeneration Efficiency (%)

up to 97%

Transport Package

Carton/Box

Specification

50*28*28cm

Trademark

DBM

Origin

Guangdong, China

Production Capacity

100000PCS/Month

Key features

High Heat Recovery Efficiency: Built-in ceramic regenerator achieves up to 97% heat recovery efficiency.

Smart APP Control: Control via Android/iOS smartphone, remote, or button with scene and group settings.

Energy Saving Mode: Operates in heat recovery mode to save over 30% energy compared to standard fans.

Advanced Air Filtration: Standard pre-filters and F7 (MERV11) filter with antibacterial treatment.

Ultra-Quiet Operation: Noise level is less than 32.7dB(A) for silent indoor comfort.

Reversible EC Fan: 3-speed reversible EC duct fan with low power consumption of 7.8W max.

Frost and Condensation Free: Designed to prevent frost and condensation for year-round reliability.

IPX4 Ingress Protection: High ingress protection rating ensures safety against water splashes.

Company profile

Foshan Dumi Building Material Co., Limited

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-06-24Average Response Time: ≤3.65hTerms of Payment: T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW

AI-Powered supplier vetting

SummaryFoshan Dumi Building Material Co., Limited is identified as both a trading company and manufacturer/factory in Guangdong, China. It operates more than 10 production lines and reports inventory capability, export activity across multiple regions, and export sales accounting for 71%–90% of total sales. The supplier offers 3D design and several customization options, but reports fewer than five R&D engineers and no new products in the past year. Service infrastructure is limited: it has no overseas warehouses, showrooms, agents, branches, or reported offline trade-show participation. Lead times are stated as within 15 working days in both peak and off-season. Financial information provided is recorded as zero or otherwise insufficient for a reliable assessment. No certification holdings or customer cases are provided.

Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, and its business scope includes metal products, import and export, household appliances, clothing, and household items. This indicates a mixed manufacturing and trading structure with a broad stated scope.

R&D capabilityThe supplier provides 3D software design services and has fewer than five R&D engineers, but explicitly reports no new products during the past year. The available evidence supports design-related capability but not recent product innovation.

Production capacityThe supplier operates more than 10 production lines, reports inventory capability, and states peak- and off-season lead times within 15 working days. It also reports export markets across five broad regions and export sales of 71%–90%, providing explicit evidence of substantial production and export operating capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and 3D software design services. These stated offerings demonstrate broad customization capability.