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520m3/H ERV Energy Recovery Ventilator

April 11, 2018 Not much to say other than running it right now, I felt the air was getting a bit stale in the house and kinda felt it wasn't getting the best air flow before, I used it, I can say I feel it now, seems to work perfectly.

—— Patrick

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520m3/H ERV Energy Recovery Ventilator

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Large Image :  520m3/H ERV Energy Recovery Ventilator

Product Details:
Place of Origin: CHINA
Brand Name: CS
Certification: CE
Model Number: CSG520A-M
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Standard export packaging
Delivery Time: 15-25 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000 piece per day
Detailed Product Description
Name: Residential 306 CFM ERV Energy Recovery Ventilator Model: CSG520A-M
Voltage: 220V/50HZ Power: 210W
Fresh Air Volume: 306 CFM Weight: 95 Kgs
Applicable Area: 150-180 M2 Colour: White
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CS fresh air ventilation system can ventilate a room on a timed, quantitative and efficient basis and improve the indoor air quality effectively relying on its professional and sophisticated design. It will provided you and your family with a home being able to “breath fresh air”, and will create a healthy and comforable living space to get rid of “Sick Building Syndrome”.





- Energy saving, environmental protection and electricity cost saving

The fresh air and exhaust air share a DC brushless fan. The fan impeller is designed by the company, and the mold is produced and processed by the company. It can effectively control the product quality. The wind wheel is 2.5 times larger than other brands. It has the characteristics of high efficiency, low noise, stable operation and large air volume.


- Smart WIFI, reomote control

Whenever and wherever, the air quality index can be remotely monitored, formaldehyde, secondhand smoke and PM2.5 can be displayed in real time. The fresh air system can be turned on and off by using APP.


- Intelligent mute

High efficiency centrifugal turbine motor is adopted, which is safe and stable. It can operate for tens of thousands of hours. The noise reduction is 28% and the lowest DB is only 25dB. The noise is lower than the national standard of Class 0 noise.




NAME Residential ERV Energy Recovery Ventilator
AIR SUPPLY MODE Direct air supply




520m3/H ERV Energy Recovery Ventilator 0


 520m3/H ERV Energy Recovery Ventilator 1

520m3/H ERV Energy Recovery Ventilator 2





520m3/H ERV Energy Recovery Ventilator 3

Our Services


Our staffs of sales and technical support is available to help you in selecting the right protection for your application as well as to provide you with samples of our products for evaluation. At CS, we are committed to providing the highest level of customer service, competitive pricing, speedy delivery and a comprehensive, cutting-edge product offering. Our ultimate goal is your satisfaction.


How to Order

  1. We need to know the size, quantity and others.

  2. Discuss all the details with you and make the sample if needed.

  3. Start the mass production after getting your payment (deposit).

  4. Delivery.

  5. Receive your air goods.

Quality Control

  • Before the order to be confirmed, we would show you the certificate of each details .

  • Every ERV will be quality checked before packing.

  • Before delivery clients could send QC or the third party to check the quality. We will try our best to help you when problem occurred.

After-sales Services

  • Any problem happening in our products will be solved at the most prompt time.

  • We always offer relative technical support.

  • Quick response, all your inquiry will be replied within 24 hours.



Q: About CS ERV ventilation lifetime
A: The lifetime will vary depending on the hours of usage, air quality and location of the ERV air cleaner. Normally the filter will need to be replaced semiannually. Clean the dust and contaminants with vacuum cleaner or hair dryer (cool air) and dry it out in the sun for 3 hours to maintain the best purifying effect.

Q: Are you a factory?
A: Yes, we are a ISO9001-certified factory devoting to the developing, manufacturing and sales of the fresh air ventilator.

Q: I need your price list of all products, do you have a price list ?
A: We do not have a price list of all of our products. Because we have so many items, and it's impossible to mark all of their price on a list. And the price are always changing because of the producing cost. If you want to check any price of our products, please feel free to contact us. We will send offer to you soon!

Q: I can't find the product on your catalogue, can you make this product for me?
A: Our catalogue shows most of our products, but not all. So just let us know what product you need and how many you want. If we do not have it, we can also design and make a new mould to produce it. For your reference, making a ordinary mould will take about 35-45 days.

Q : Can you make customized products and customized packaging?
A: Yes. We've made a lot of customized products for our customers so far. And we've made many moulds for our customers. About customized packaging, we can put your logo or other labels on the packaging. It's no problem. Just have to point out that , it will cause some additional cost.

Q: Can you provide samples ? Are the samples free ?
A: Yes, we can provide samples for test or quality checking. And sample cost will be refunded when bulk order is over MOQ.

Q : How to ship my order? Is it safe?
A: For samples, we will send it by Express, such as DHL, FedEx, UPS, TNT, EMS.That's a Door to Door service. For bulk orders, we will send them by air or by sea. We will use good packing and ensure the safety. We will be responsible to any product damage caused on delivery.

Q: Do you have a guarantee of your product quality?
A: We have a guarantee of one year.

Q: Can I become an Agent / Dealer of CS products?
A: Welcome! But please let me know your country / area first, We will have a check and then talk about this. If you want any other kind of cooperation, do not hesitate to contact us.




520m3/H ERV Energy Recovery Ventilator 4

520m3/H ERV Energy Recovery Ventilator 5



Contact Details
Hong Kong Chuang Sheng Electronics Co.,Ltd.

Contact Person: Julia Wong

Tel: +8615768938048

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