• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Approximate area: 55m2
  • 900W Sun intensity air flow: 106m3/ hour
  • Approx temperature rise: 20℃
  • Max performance(w/h): 560W
  • Weight (panel) kg excl. packaging: 13.5kg
  • Weight (panel) kg incl. packaging: 16kg
  • Product Name: electric room water heater pump

Packaging & Delivery

Delivery Time 5-35days


Standard Function:

l  heating outdoor fresh air

Price including mechanical regulator and all the necessary accessories for installation. Extra cost will be charged if customer needs other switches or LCD regulator.


Function 1: Standard: Heating outdoor fresh air


preheating outdoor fresh air, ventilator turns and bring in the heated fresh air. This function can be used in spring, autumn and winter.

Model OSB20
Approximate area in m255m2
900W Sun intensity air flow 106m3 / hour
Time for air change   Approximate 2   hours
Heating efficiency74%
 Sun intensity   performance(w/h)560W
Total Annual Heating Delivered (9 month) kWh/m2 740kWh/m2
Estimated energy supplement kWh-unit/year 525kWh
Temperature rise, approx.20 0 C  
Noise LevelMax. 38db
Product size(cm )101x72x6.2
Carton size(cm)120x75x11
Dimensions (roof rack) in cm:    incl. packaging    Not   available 
Area in m2 0.727
Solar photovoltaic panel power 12 watt 


12V  3.4W

2 ball120*120*25mm 
Net weight13.5kg
Gross Weight16kg

Our Service

1. OEM Manufacturing welcome: Product, Package...
2. Sample order
3. When you got the goods, test them, and give me a feedback. If you have any questions about the problem, contact with us, we will offer the solve way for you.


Q1. What is your terms of packing?
A: Generally, we pack our goods brown cartons. we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q3. What is your terms of delivery?

Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland) | Manufacturer, Trading Company
Transaction Level:
Supplier Assessments:
15 Transactions 90,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $41,000
Learn More