HOLTOP - HVAC Heat Recovery Ventilation, Heat Exchangers, Heat Recuperators
HOLTOP - HVAC Heat Recovery Ventilation, Heat Exchangers, Heat Recuperators
HOLTOP - HVAC Heat Recovery Ventilation, Heat Exchangers, Heat Recuperators
HOLTOP - HVAC Heat Recovery Ventilation, Heat Exchangers, Heat Recuperators
HOLTOP - HVAC Heat Recovery Ventilation, Heat Exchangers, Heat Recuperators
HOLTOP - HVAC Heat Recovery Ventilation, Heat Exchangers, Heat Recuperators

Doas Systems Manufacturer: Offering Wholesale and OEM Supply from China

Introducing the cutting-edge Doas Systems, brought to you by Beijing Holtop Air Conditioning Co., Ltd., a leading manufacturer, supplier, and factory based in China. Our state-of-the-art Doas Systems are designed to revolutionize the way you control ventilation and optimize air quality in residential, commercial, and industrial spaces.

Built with precision and innovation, our Doas Systems are equipped with advanced technology to provide unparalleled energy efficiency and reliable performance. With a focus on environmental sustainability, our systems offer intelligent ventilation solutions that reduce energy consumption while maintaining optimal indoor air quality.

Featuring a user-friendly interface and customizable settings, our Doas Systems can be effortlessly integrated into any existing HVAC system. Whether you require a simple solution for a small apartment or a comprehensive system for a large commercial building, our wide range of Doas Systems caters to various needs and preferences.

Trust in Beijing Holtop Air Conditioning Co., Ltd. for top-quality Doas Systems that prioritize your comfort, health, and productivity. With our commitment to excellence and industry-leading expertise, we are dedicated to delivering products that exceed your expectations. Join countless satisfied customers who have experienced the unparalleled benefits of our Doas Systems and discover the future of ventilation technology today.

Wall Mounted Series Wall Mounted ERV Energy Recovery Ventilation ( With CO2 Sensor Version)

Experience optimal indoor air quality with our Wall Mounted Series ERV Energy Recovery Ventilation. With CO2 sensor version, we are a factory producing quality air solutions.

Fan Coil Units

Get high-quality fan coil units straight from the factory. With our exceptional products, enjoy efficient cooling and heating in a compact design.

Floor Standing Series Energy Recovery Ventilation (Duct ERV 300~600 m3/h)

Looking for an efficient way to ventilate your space? Check out our Floor Standing Series Energy Recovery Ventilation. We are a factory, ensuring the highest quality at the best prices.

Optional Parts- WiFi Adapter

Looking for a high-quality WiFi adapter? Look no further! We are a factory that specializes in producing top-of-the-line adapters for all your wireless needs. With our reliable and durable products, you can enjoy fast and stable internet connections from anywhere in your home or office. Start browsing our collection today and experience the ultimate in WiFi performance.

Slim Series Energy Recovery Ventilation System units (ERVs 150~350 m3/h,AC Motor)

Slim Series ERVs offer energy recovery and ventilation for small to medium-sized buildings. All our units are equipped with AC motors and backed by our factory expertise.

Plate Type Crossflow Sensible Heat Exchanger

Looking for a reliable and efficient Plate Type Crossflow Sensible Heat Exchanger? Look no further than our factory! Our products are designed and manufactured to the highest standards, so you can trust in their quality. Contact us today to learn more.

DC Motor THC Series Commercial Suspended Energy Recovery Ventilation System (ERVs 600~1300 m3/h)

As a factory, we take pride in our DC Motor THC Series Commercial ERVs. Our suspended energy recovery ventilation systems ensure fresh air circulation (600~1300m³/h) while reducing energy consumption and costs. Choose quality and efficiency with our products.

Heat Wheels (Rotary Heat Exchangers)

Looking for superior heat recovery solutions? Heat Wheels' rotary heat exchangers are our specialty. As a factory, we offer competitive prices & fast delivery. Contact us today.

AC Motor THC Series Commercial Suspended Energy Recovery Ventilation System(ERVs 600~1300 m3/h)

Looking for a high-performance commercial ERV system? Our AC Motor THC Series delivers exceptional results, recovering energy and maintaining air quality. As a factory-direct seller, we offer competitive pricing and expert support.

Optional Parts- Sub HEPA Filter / PM2.5 Filter

Introducing our {Optional Parts- Sub HEPA Filter / PM2.5 Filter} for superior filtration. We're a factory that ensures only the best for your air quality needs.

Single Way Blower Fresh Air Filtration Systems

For top-quality fresh air filtration, trust our Single Way Blower system. As a factory, we deliver reliable and efficient air filtration systems. Order now!

Enthalpy Wheels (Rotary Heat Exchangers)

Enthalpy Wheels, the rotary heat exchanger experts. As a factory, we design and manufacture energy-efficient heat recovery solutions for HVAC systems. Contact us today! #EnthalpyWheels #RotaryHeatExchangers #HeatRecovery #HVAC #EnergyEfficiency.

Holtop Industrial Air Conditioning System Solutions

Holtop Industrial Air Conditioning System Solutions - Your trusted factory for innovative and reliable HVAC products. Experience world-class efficiency, customization and after-sales services.

Heat Pipe Type Heat Exchangers

Looking for heat pipe type heat exchangers? Look no further than our factory! We offer high-quality and efficient heat exchangers to meet your needs.

Holtop Standard Air Handling Units

Discover the high-performance Holtop Standard Air Handling Units at our factory. Experience top-notch ventilation systems for superior air quality.

  • Doas Systems: Leading Manufacturer of Wholesale OEM Supplies in China
  • Reviews

Introducing the groundbreaking Doas Systems, a cutting-edge solution designed to revolutionize your daily life. We understand the importance of living in a comfortable, efficient environment, and that's exactly what our innovative product aims to provide. Doas Systems stands for Demand-Controlled Outdoor Air Systems, a state-of-the-art system that optimizes indoor air quality while minimizing energy consumption. With this revolutionary technology, you can finally achieve the perfect balance between comfort and sustainability. Gone are the days of excessive heating and cooling costs. Our Doas Systems utilize advanced sensors and intelligent algorithms to continuously analyze and adjust the outside air intake, ensuring that your indoor environment remains healthy and energy-efficient. This not only significantly reduces your carbon footprint but also saves you money on utility bills. But it doesn't stop there. Doas Systems also incorporate smart features that allow you to customize and control your indoor air quality according to your preferences. Whether it's adjusting the temperature, humidity levels, or ventilation rate, you have full control over creating the ideal atmosphere for your home or workplace. Installation and maintenance are hassle-free with our Doas Systems. Our team of expert technicians ensures a seamless setup, while our reliable support network is always available to assist you whenever needed. It's time to take a step towards a sustainable future without compromising on comfort. Experience the unmatched technology of Doas Systems and breathe in the fresh, clean air you deserve. Join the movement today and embrace a greener lifestyle with the leading-edge Doas Systems.

DOAS (Dedicated Outdoor Air Systems) are an essential component in maintaining excellent air quality in indoor spaces. These systems separate the processes of heating, cooling, and fresh air supply, providing cleaner and more efficient ventilation for a healthier environment. With their cutting-edge technologies, DOAS systems effectively remove pollutants, control humidity levels, and regulate temperature, creating a comfortable and safe atmosphere for occupants. These systems are also equipped with energy-saving features, reducing energy consumption and minimizing carbon footprint. Overall, DOAS systems are a reliable and innovative solution for ensuring optimal air quality in both residential and commercial settings, making them an excellent investment for anyone concerned about the health and well-being of their space's occupants.

DOAS Systems are a game-changer in the world of heating and cooling solutions. This revolutionary product takes energy efficiency to a whole new level. With its advanced technology, DOAS Systems effectively adjust ventilation rates based on occupancy, reducing overall energy consumption. The intelligent design ensures superior indoor air quality by removing contaminants and constantly providing fresh air. The system's seamless integration with smart devices allows for effortless control and customization. Installing DOAS Systems guarantees a comfortable and healthy indoor environment while significantly cutting down on utility bills. Say goodbye to outdated heating and cooling methods and embrace the future with DOAS Systems.

Contact us

Please feel free to give your inquiry in the form below We will reply you in 24 hours