Are solar roof vents noisy?

No, they operate quietly with noise levels below 40-45 dBA, which is quieter than a whisper.

What is the most efficient roof vent?

Efficiency depends on design and conditions. Both solar vents and whirlybirds are efficient when properly installed for specific needs.

Do solar exhaust fans work?

Yes, they effectively ventilate roof spaces by expelling hot air and moisture, similar to solar vents but with different configurations.

What is the alternative to the whirlybird vent?

Alternatives include solar roof vents, ridge vents, and powered attic fans.

40W Eco No Power Vent Solar Powered DC Roof Ventilation Extractor Fan with Adjustable Solar Panel

Name: 40W Eco No Power Vent Solar Powered DC Roof Ventilation Extractor Fan with Adjustable Solar Panel
Brand: Foshan Lanlishi Technology Co., Ltd
SKU: 2127453042

Guangdong, ChinaFoshan Lanlishi Technology Co., Ltd

US$135.00

5-99 Pieces

US$128.00

100-299 Pieces

US$120.00

300-999 Pieces

US$108.00

1,000+ Pieces

Product specifications

size

shape

power source

Sample price:US$140.00/piece.Request sample

Product profile

Customization

Available

Material

Aluminum Fan

Blade Material

Aluminum

Type

Roof Mounted Vent Fan

Electric Current Type

Mounting

Roof Fan

Certification

Rcm, SAA

Motor

DC Brushless Copper Motor

Function

Exhaust Air

Airflow

2200CMH

Application

Industry, Commercial, Home ,Farm

Size

12inch

Power Adaptor

15V/2.4A

Rotating Speed

1400rpm

Air Duct

315mm

Transport Package

Pearl Wool, Foam with Outside Carton

Specification

64cm*61cm*30cm, 10kg,

Origin

China

HS Code

84145120

Production Capacity

300PCS/Day

Key features

Dual Power Source: Auto-switches to AC adapter at night or in low light for 24/7 ventilation.

Ultra-Quiet Operation: Brushless DC motor ensures noise levels below 40-45 dBA for peaceful environments.

Remote Control: Includes 80ft range remote to adjust speed, timing, and modes from the ground.

High Efficiency: 42W monocrystalline panel delivers 2100-2200 CMH airflow with 80% energy savings.

Customizable Colors: Available in black, white, and other custom colors upon request.

Long Lifespan: Motor rated for 90,000+ hours of maintenance-free operation.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExhibition ExperienceFast Delivery

Foshan Lanlishi Technology Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2021-12-31Nearest Port: guangzhou, shenzhenAverage Response Time: ≤0.07h

AI-Powered supplier vetting

SummaryThe supplier is a factory with 16 years of international trade experience, but lacks effective manufacturing contracts and overseas warehousing, showroom, and agent capabilities. They provide ODM and OEM services and have demonstrated customization capabilities but lack new product development. Their financial data shows no revenue or profit over the last three years, indicating possible financial instability. Their service capability is limited with no written records for handling customer complaints, but they have participated in international trade shows.

Supplier typeThe supplier is identified as a factory.

After-Sales capabilityThe supplier has procedures for handling complaints but lacks written records, indicating a lack of robust after-sales service documentation.

Financial creditThe supplier reports no operating revenues or profits over the past three years, suggesting financial instability.

R&D capabilityThe supplier has not developed new products in the past year, indicating limited innovation capability.

Production capacityThe supplier lacks valid manufacturing contracts and has only one production line, indicating limited production capability.

Customization capabilityThe supplier offers extensive customization services and provides both ODM and OEM services.