We heat, cool and improve energy efficiency by   offering heat pumps, chillers and clean energy technology
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Withair Group
The largest and most professional Rooftop Unit manufacturer
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a lot of solutions to care
a lot of solutions to care
a lot of solutions to care
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Looking for valuable distributors and partners around global market, offers OEM/ODM services. 

The Withair System


Withair® is the premium manufacturer in sustainable energy solutions supplying HVACR products & services for heating, cooling, hot water, indoor air quality, industrial refrigeration, and heat recovery that reflect today's demand for sustainable construction, comfortable indoor climate and industrial cooling & heating process application.

Withair® specialises in innovative custom highly-configurable products designed
to meet the your needs. We insure products are designed for long life by using highest quality materials, for all controls, safety, and components we only use
top world-wide recognized brands. All products are rigorously tested before leaving us, going through many stages of quality control before being shipped.
 
Withair® heat pump & chiller
The Withair System
Withair® Air to Water & Water to Water Heat Pump-Production-Lines
Air-cooled Heat Pumps Series

Geothermal Heat Pumps Series

Full Inverter Heat Pumps Series

Heat Recovery Heat Pumps Series

High Temperature Heat Pumps Series

HEAT PUMPS - CREATING A MORE COMFORTABLE & SUSTAINALE BUILDING ENVIRONMENT


By installing a Withair's heat pumps, 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, geothermal 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's 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.
 

CHILLERS - MINIMIZE YOUR OPERATING COSTS


Withair's chillers were developed based on decades of knowledge and rich experience, includes air-cooled chillers and water-cooled chillers, ranging in capacities from 2 to 3,000+ tons. Withair chillers are relied upon for both comfort and special process cooling applications in every corner of the world.

Withair's chiller plays a critical role in creating the right environment to ensure the health, comfort and industrial production. Withair chillers not only serve HVACR systems and industry-type process cooling at factories that deliver the right temperature for the space, but they also help minimize operating costs with superior energy efficiency levels, low sound levels and with minimal environmental impact. 
 
Withair® Water-Chiller-Production-Lines
Industrial Chillers Series

Full Inverter Chillers Series

Heat Recovery Chillers Series

Air Cooled Water Chillers Series

Water Cooled Water Chillers Series

AIR SIDE PRODUCTS - MAXIMIZING HVACR SYSTEM PERFORMANCE


The Withair portfolio of fan coil unit, ventilation unit and air handling unit, air cooler solutions is designed to make installations faster and easier, offers temperature and humidity control, heat recovery, deodorization, air purification, and heat treatment, and to maximize HVACR system performance. Using advanced technology, such as: EC motor, single-zone,four-pipes, these systems quietly, temperature stability, reliably and efficiently deliver the comfort your building occupants need.

Withair® offers a full range of air side products and systems to meet your performance requirements. From 200CFM to the highly flexible 60,000CFM with numerous custom options, to a compeletely custom, energy efficient, environmentally responsible system, Withair has the optimal solution for commercial, industrial and process applications.
 

INNOVATIVE PRODUCTS - THE MOST EFFICIENCY SOLUTION


Withair® has developed different innovative products, e.g. Fresh Air Heat Pumps,
Inverter Rooftop Unit(RTU),Make Up Air Unit(MUA),100% Outdoor Air Unit(OAU),
Clean Air Conditioning, Ultra-high Temperature Heat Pump, Hybrid Heat Pump,
Air Conditioning with Large Temperature Difference (8℃), Mushroom Air Conditioning..., these products meet the needs of different applications for
heating & cooling and indoor air quality.  

Whether you want to replace an existing air conditioning or heat pump – or reduce your energy costs with a Hybrid Heating and Cooling Solution – our products could be the creative solution you’re looking for. By combining multiple types of energy into a single unit that sits outside your home, the only thing left inside is improved comfort.
 
Withair® devote to a variety of energy comprehensive utilization, optimize configuration of all kinds energy, complementary advantages, offer hybrid energy system integration solutions, and maximizes efficiency and energy savings.
 
LATEST NEWS
  • +Read More
    See you there: 2025 AHR Expo in Orlando, USA, Booth No. 8286
    See you there: 2025 AHR Expo in Orlando, USA, Booth No. 8286
    We are excited to extend an invitation to you to meet us at the 2025 AHR Expo. As a valued partner in the HVAC sector, we believe your presence would greatly enhance the experience and provide an excellent opportunity for networking and exploring the latest innovations in the field.We would be de
  • +Read More
    A Green Commercial Heating Product - Ultra-high Temperature Water Source Heat Pumps
    A Green Commercial Heating Product - Ultra-high Temperature Water Source Heat Pumps
    Offer a comprehensive solution to the USER ! Withair’s Ultra-high Temperature Water Source Heat Pump can produce high-temperature hot water at 55~122°C while cooling, and realize the dual-temperature and double-effect application of waste heat recovery. One set of ultra-high temperature heat pump equipment is used to replace the traditional two sets.
  • +Read More
    Withair® Air-cooled Chillers with Free Cooling System (Integrated Water-side Economizer)
    Withair® Air-cooled Chillers with Free Cooling System (Integrated Water-side Economizer)
    The Free Cooling System option (sometimes referred to as “integrated water-side economizer” in the industry) adds a fluid-to-air heat exchanger coil in series with the chiller refrigerant condenser coil. The heat rejection airflow moves across both coils, allowing heat rejection and chilled fluid cooling without the need for vapor compression when outdoor air temperatures are lower than the cooling fluid temperature. Withair’s Free Cooling System solution that combines the benefits of an integrated water-side economizer with Variable Frequency Drive (VFD) compression technology and total unit configurability, using a VFD to meet partial load demands and varying outdoor ambient conditions at optimized efficiency levels, offering solutions fully tailored to the application requirement.
  • +Read More
    20Ton and 40Ton Industrial Use Air-cooled Scroll Chillers deliver to Indonesia's customer
    20Ton and 40Ton Industrial Use Air-cooled Scroll Chillers deliver to Indonesia's customer
    Our Withair® 20Ton and 40Ton Industrial Use air-cooled scroll chillers deliver top-of-the-line, full-load efficiency for assurance of performance in the most demanding conditions. But you can also count on excellent performance during 99% of the time when chillers operate at off-design conditions.
Next Steps

 

 

We work directly with customers and share our experiences to incorporate their application closely into the machine selection process.  

You can begin the process here, Contact us to discuss:
 
 

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   Withair Group (China) Limited
   Withair (Nanjing) Industries Co., Ltd
    Office number: + 86 25 86696286
    Mobile number: + 86 13915928183 (WhatsApp)
    E-mail address: info@withair.cn ; jed@withair.cn
    Factory A: No.6 Lukou Chuangzhi Industrial Park, Nanjing,China,211113
    Factory B: No.9 Dongshan Bridge Industrial Park, Nanjing,China,211153
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