Nanjing, Jiangsu, China
Member Since: 2018
Business Type: Manufacturer/Factory,Group Corporation
-- About Withair® --
Withair® is a global provider of technical products and services for sustainability and resource management, specialize in heating & cooling system, air quality system and clean energy technology development and utilization,now it has three factories,manufacturing different kinds of products,and committed to providing the first-class products & system solutions for clients.
At Withair®, our aim is to support the growth, profit, and sustainability goals of our clients by delivering innovative solutions with n x value.we gain a deep understanding of our client's needs and business objectives first and foremost by gaining and leveraging our technical knowledge, innovative thinking, and vast equipment resources. from heating & cooling solutions and air quality management,to energy performance and efficiency determination,Withair® delivers the results.
Withair® products & solutions combine utmost efficiency with minimum energy consumption and strict respect of the environment, the idea proved to be a winning one in just a few years, Withair® became the leader in the sector !
Withair® has highly effective professional team to service customers
Known for their professionalism and personal integrity, Withair's highly skilled engineers, technicians, electricians, stable manufacturing workers, strict quality controller, and quick-reaction & professional after-service staff utilize their multi-disciplinary expertise in the creation and production of every solution.
Close cooperation among Withair's design, production and service teams - who are located under one roof and linked by advanced computerized systems - enables the Company to supply the widest possible range of products - from single units to very large quantities - while assuring rapid delivery and competitive pricing.
HEAT PUMPS - CREATING A MORE COMFORTABLE & SUSTAINALE BUILDING ENVIRONMENT
By installing a Withair® heat pump, you can reduce your energy consumption costs by up to 86% compared to direct electricity. Here we are using the nature's free and renewable energy sources, such as: outdoor air, geothernal energy, solar energy, that minimises your CO2 emissions and pollution free. You can also enjoy an environmentally friendly, renewable and free energy source. The high level of efficiency means that an investment in a heat pump pays for itself quickly and gives you a secure supply of heat, cool and hot water, suitable for different climate all over the world.
Withair® the W01R series heat pumps involve a range of 282 models, with heating and cooling capacity among 2.6kW and 3,200kW, which allow to create "customized" solution, matching the different installations requests.
-- Product Description --
Withair® EVI Heat Pump is specially designed for cold climate region and adopts Ultra low temperature Enhanced Vapour Injection(EVI) compressor technology to guarantee a stable running even at -25°C.EVI heat Pump solve the client's room heating and hot water supply during the very cold climate region. (EVI compressor - enhanced vapor injection,Vapor-injected method can effectively improve heat capacity, prevent higher discharge temperature of compressor and guarantee operating stability of unit at low temperature).
Withair® EVI heat pump is one of the most economical systems to heat the water for family domestic use. Using free renewable energy from the air, the unit is highly efficient with low running costs. Its efficiency can be up to 3~4 times more than conventional gas boiler or electrical heater.
-- The Key Advantages Include --
* Eco-friendly refrigerant: R407C, R417A.
* Applied range: sanitary hot water, floor heating.
* Enhanced vapor injection Copeland brand compressor.
* Operate normally in - 30ºC,and hot water 50ºC.
* Two speed fan motor: further improve unit operation under high ambient temperature.
* Electronic expansion valve regulates the flow of refrigerant precisely.
* Heat-exchanger cycle technology to further improve operation under low ambient temperature.
* Air exchanger(Fins-coil) with hydrophilic coating.
* Galvanized plate shell, powder coating.
* LCD display wire controller.
* Set the operating time freely.
* Unit runs or stop automatically according to water temperature.
* Control the auxiliary heating (e.g. electric heating).
* With hot water return control, to keep the water warm in supplying pipe.
* Water Level Display and can be set freely("M" model).
* Available in combination with the solar collector and control automatically, saving more energy.
* Water flow protection control.
* Automatic prevent freezing function in the winter.
* Automatic defrosting.
* Failure diagnosing function.
* Modular design, units combine freely.
-- Technical Data --
|COP at outdoor temperature.of -15°C.||W/W||2.25||2.11||2.34||2.35|
|Hot water||Heating capacity||kW||12||18||36||72|
|Rated power input||kW||2.8||4.2||8.2||16.5|
|Hot water output||L/h||257||390||770||1550|
|Floor heating||Heating capacity||kW||9.5||15||30||60|
|Rated power input||kW||2.45||3.8||7.6||15.5|
|Hot water temperature||ºC||20~60|
|Compressor type||Ultra low temperature Enhanced Vapour Injection(EVI) scroll compressor|
|Water pipe connector||mm||DN25(1")||DN25(1")||DN40(1-1/2")||DN65(2-1/2")|
|Water side exchanger||Tube in tube||Tube in tube||Tube in tube||Tube in tube|
|Water flow switch||accessory||accessory||build in||build in|
|Picture of appearance||Picture 1||Picture 2||Picture 3|
|Auxiliary heating control function||Yes||Yes||Yes||Yes|
|Water return control function||Yes||Yes||Yes||Yes|
|Water level control function||No||Yes||Yes||Yes|
|Water level display function||No||Yes||Yes||Yes|
|Modular control function||No||Yes||Yes||Yes|
|Combined with solar collector||Yes||No||No||No|
1.Standard hot water work condition: entering water temperature 15ºC, leaving temperature 55ºC;dry bulb temperature 20ºC,wet bulb temperature 15ºC;
2.Standard floor heating work condition: entering water temperature 30ºC, leaving temperature 35ºC;dry bulb temperature 7ºC,wet bulb temperature 6ºC.
3.Units working ambient range from -25ºC to 45ºC.
4.All models, sizes, dimensions, and specifications are subject to change without prior notice, please refer to nameplates for the most accurate specifications.
-- Quality Supply Chain System --
-- Withair® Production Lines --
-- Withair® Certificates and Awards --
-- Payment terms --
|Payment terms||T/T||EXW||50% in advance, 50% before delivery|
|L/C||Total amount above USD100,000, we accept L/C at sight|
-- Delivery & Packaging --
* 100% test before deliverying products.
* Products catalogue, installation & operation manual will be sent together.
* Tracking number will be sent to customer as soon as we ship the products.
* Item shipped in 25 working days against payment depends on the quantity.
* Four steps of pakacges, plastic film, foam, carton and plywood for stable transporation.
* Ocean shipping, railway shipment and air transportation are acceptable according to customer demand.
-- Installation Instruction --
-- Case Studies & Quality Service --
Withair is a experienced partner in designing, installing small to large scale projects in the HVACR field of engineering systems for built environment of the further !
Withair Provides Global Installation Services:
We have developed close, long-term relationships with consultants, contractors, builders, and installers
around the world. Teams of technical personnel are often sent to assist these partners in the design and implentation of large projects, and in the preparation of tenders for a variety of joint ventures. Among our worldwide installations are major shopping centers, industrial parks, schools, office buildings, hospitals, restaurants, convention centers, showrooms, green houses, commercial and residential buildings, swimming pools, mobile communication centers, and special projects.
-- FAQ --
Q1. Can I have a sample order for Withair' products ?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the delivery time ?
A: Sample needs 15 days, mass production time needs 2-3 weeks for order quantity more than one container
Q3. Do you have any MOQ limit for Withair' products ?
A: Low MOQ, 1pc for sample checking is available
Q4. What is Withair® certification ?
A: The certificate we have include: CE, RoHs,SGS, CE, UL, ISO9001. ISO18001, ISO14001, national Lab inspecton report, technology patents and so on.
Q5. Where are Withair' products installed till now ?
A: Currently Withair' products has been installed China, Europe, Africa, Middle-East, U.S.A, South American and so on.
Q6. Withair® Agent's & Distributor's Benefits ?
A: * Favorable prices & high quality products.
* New business opportunities & profits.
* Free of charge for brochures & technical data.
* Training for products of technical & marketing.
* Customer resources sharing in the territory.
* On-site support from sales & service team.
Q7. How to proceed an order for Withair' products ?
A: Firstly let us know your requirements or application.
Secondly We provide solution according to local weather conditions.
Thirdly customer confirms the samples and formal order.
Fourthly We arrange the production.
Q8. Is it OK to print my logo on Withair' products ?
A: Yes. legal OEM brand is accepted. Please inform us formally before our production and confirm the logo design firstly.
Q9: Do you offer guarantee for the products ?
A: Yes, we offer 3-5 years warranty to our products.
Q10: How to deal with the faulty ?
A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.3%.
Secondly, during the guarantee period, we will send spare parts with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.
-- CONTACT US --
Thank you for visiting our website, further questions please feel free to contact us. We will do our best to support you all the time.