Holtop new developed 3D high efficiency counterflow heat recovery core is a unique heat exchanger (recuperator) innovative designed for air-to-air heat recovery core in comfortable fresh air ventilation systems. It is a true breakthrough in ventilation technology, making it possible to recover an...

Liquid Circulation Heat Exchanger -Heat recovery core of AHU Working Principle Liquid circulation heat exchanger is liquid to air heat exchanger, heat exchangers usually installed in both fresh air (OA) side and exhaust air (EA) side, the pump between the two heat exchangers make the liquid circ...

Main Feature of Holtop Heat Pipe Heat Exchangers (Recuperator) 1. Be Made of cooper tube with hydrophilic aluminum fin, low air resistance, less condensing water, better anti-corrosion. 2. Galvanized steel frame,better anti-corrosion and higher durability. 3. Heat insulation section separates he...

Rotary heat exchanger (Heat wheel) is mainly used in heat recovery building ventilation system or in the air supply / air discharge system of air conditioning system equipment. The heat wheel transfers the energy (cold or heat) contained in exhaust air to the fresh air supplied to indoor....

Main features of Holtop Rotary Heat Exchanger 1. High efficiency of total heat recovery 2. Double labyrinth sealing system ensures minimal air leakage. 3. Self-cleaning efforts prolong service cycle, reducing maintenance cost. 4. Double purge sector minimizes carryover from exhaust air in...

Working principle of Air to Air Cross Counterflow Plate Type Sensible Heat Exchangers (Recuoperator) Two neighbor aluminum foils form a channel for fresh or exhaust air stream. Heat is transferred when the partial air streams flow crossly and partial air streams flow counter through the chan...

HOLTOP Plate Fin Type Crossflow Total Heat Exchanger Holtop Cross-flow Plate Fin Total Heat Exchangers ( Enthalpy Recovery core for energy recovery ventilator) Product Description: Total heat exchanger is made of ER paper which is featured by high moisture permeability, good air tightness, exc...

Holtop Air to Air Crossflow Plate heat exchanger- sensible heat type  Main Features of Holtop Air to Air Plate Type Sensible Heat Exchangers Sensible heat recovery core Fresh air & exhaust air is separated totally Heat recovery efficiency up to 80% 2-sides press shaping,double folded edge...

Product Description Total Heat Recovery Bidirectional ventilation Quiet operation Compact structure, complete functions, high enthalpy recovery efficiency, PM2.5 purification efficiency up to 95% Main Features  1. It can be used in public buildings, laboratories, computer rooms, rest...

  Fresh air ventilation system+heat recovery energy saving (Air to air heat reuperative) +High efficiency purification Holtop XHBQ-D*PMTHC series energy recovery ventilator (Heat recuperative ventilation system units) are built in high efficient total heat recovery core, resulting in sig...

HOLTOP CEILING MOUNTED ERV WITH BYPASS FUNCTION AND PM2.5 FILTRATION     Fresh air supply + High Efficiency Purification+ Energy recuperative ( reducing running cost of cooling or heating air conditioning system)    Energy recovery ventilation (ERV) is the energy recovery pro...

Good thermal insulation The whole series are intergated with EPS structure, effectively preventing condensation, and improving thermal insulation and saving energy consumption. New primary filter New primary filter is made of aluminium alloy frame and rubber filtration materials with nice...

  Fresh air ventilation system+heat recovery energy saving (Air to air heat reuperative) +High efficiency purification Higher Energy Efficiency and Ecology by Powerful MotorHoltop XHBQ-D*DCPMTHC series energy recovery ventilator (Heat recuperative ventilation system units) are built with...

Holtop is the leading manufacturer in China that specializes in air to air heat recovery equipment.   Since founded in 2002, it is dedicated to the research and technology development of heat recovery ventilation and energy saving air handling equipment for more than 19 years. Holtop headquarters...

  Forced Fresh Air + Energy recovery+Intelligent Control+Wifi Function  Reducing running cost of HVAC cooling or heating system Energy recovery ventilation (ERV) is the energy recovery process of exchanging the energy contained in normally exhausted building or space air and using it to tre...

  Forced Fresh Air + Energy recovery+Intelligent Control+Wifi Function  Reducing running cost of HVAC cooling or heating system Energy recovery ventilation (ERV) is the energy recovery process of exchanging the energy contained in normally exhausted building or space air and using it to tre...

HOLTOP Single Room Ductless Wall Mounted Type Heat Recovery Ventilator ERV/HRV with CERAMIC ENERGY REGENERATOR Single Room Wall HRV ERV Heat / Energy Recovery Ventilator     CERAMIC ENERGY REGENERATOR The high-tech ceramic energy accumulator with regeneration efficiency up to 97 % ensures ...

    Double way air exchange ventilation+ Heat Recovery Energy Saving+ Optional Sub HEPA F9 filter fresh air purification   Reducing running cost of air conditioning system, Ideal fresh air heat recuperative ventilation solution for residential HVAC projects.    Main Features of  ...

Holtop DC Motor Slim Series Residential Suspended Heat Energy Recovery Ventilation system ERV units   Energy recovery ventilation (ERV) is the energy recovery process of exchanging the energy contained in normally exhausted building or space air and using it to treat (precondition) the incom...

Holtop is the leading manufacturer in China that specializes in air to air heat recovery equipment.   Since founded in 2002, it is dedicated to the research and technology development of heat recovery ventilation and energy saving air handling equipment for more than 20 years.  Holtop headquarte...

Holtop Economic Type Single Way Blower Fresh Air Filtration Systems Main Feature The single-way fresh air filtration system supplies outdoor fresh air to room with high purification. It’s equipped with double filters with PM2.5 filtration rate over 95%. The airflow ranges from 150m3/h to...

The duct type vertical energy recovery ventilation launched the market now. We have both direct blow type and duct type vertical ERV to suit different installation.For some applications which require long distance air distribution, the duct type ERV is more suitable. Our duct type vertical ERV is...

Holtop XHBQ-D*DCTPA series ERV Energy Recovery Ventilator is upgraded to comply with CE certification. The fans built-in are more efficient, energy consumption reduces by up to 50%. The intelligent controller is improved for more reliable and user friendly operation. Ideal ventilation solutions f...

How to Install Ceiling Type Heat Energy Recovery Ventilators Holtop is the leading manufacturer in China that specializes in air to air heat recovery equipment.   Since founded in 2002, it is dedicated to the research and technology development of heat recovery ventilation and energy saving...

ERVQ-B150-1B1 HOLTOP WALL MOUNTED SINGLE ROOM ENERGY RECOVERY VENTILATION In order to meet the needs of customers all around the world, Holtop developed and produced two versions of Wall Mounted Energy Recovery Ventilation, one version can be equipped with a PM2.5 sensor, and the other form can ...

Enjoy the refreshing effect of opening a window or door while preserving indoor comfort and system efficiency. This HRV offers the ability to remove moisture from incoming air during hot, steamy months and can supply a refreshing infusion of outdoor air all year long. It’s the perfect addition t...

Product Introduction Holtop DC Inverter Rooftop Packaged Air Conditioners are installed on rooftops of buildings and are connected directly to the building’s network of ducts. It is a self-contained system that integrates cooling, heating, ventilation, and fresh air, with indoor and outdoor comp...

The Holtop hydraulic module kits are used in conjunction with the modular air-cooled cold water (heat pump) unit. It has the advantages of high integration, fast installation, stable operation, and high efficiency.  The Holtop hydraulic module kit adopts an integrated design, which not only save...

Holtop Total Heat Recovery Type Air Cooled Chiller (Heat Pump) Features Holtop total heat recovery air-cooled heat pump chiler adds casing heat recovery heat exchanger on the basis of modular air-cooletheat pump) chiler development, and adopts double four-way valve + diaphragm check valve + doub...

HOLTOP Standard Air Handling Unit is developed and manufactured using advanced technology and production processes, which has the characteristics of high strength, good sealing performance, compact structure, and flexible installation. It provides a comfortable and clean air conditioning environm...

• High standard configuration and reliable operation  Total heat recovery core, patented technology, high efficiency energy saving The heat recovery efficiency is over 92%. The indoor exhaust with low temperature and low humidity is used as the cooling air of the (evaporative) condenser, which ...

HOLTOP MODULAR AIR COOLED CHILLER(AIR SOURCE HEAT PUMP) Holtop Modular Air Cooled Chillers are our latest product based on over twenty years of research & development, technology accumulation and manufacturing experience which helped us to develop chillers with stable & reliable perfor...

Holtop roof combined air conditioning is a medium-sized air conditioning equipment integrating hVAC (refrigeration, heating, ventilation, etc.) functions, the whole unit includes compressor, evaporator, condenser, valve and other parts. In practical applications, holtop roof combined air conditio...

Requirement for Ventilation of Hospital Requirement of Air SafetyHospitals are public places where bacteria and virus carriers are most densely populated, and are considered to be gathering places for pathogenic microorganisms. Not only patients carry various viruses, but hospital staff also...

Holtop Suspended Ceiling DX Type AHU Direct Expansion Treated Fresh Air handling Unit Combined with core technology of HOLTOP AHU, DX (Direct Expansion) coil AHU provide both AHU and outdoor condensing unit. It’s an flexible and simple solution for all building area, such as mall, office,Cinem...

Product Details Holtop has the most advanced air handling equipment, which can be applied from small office spaces to large industrial areas. The common point of all projects in this series is that the development of systems and components meets the lowest energy consumption. Heat exchangers, mot...

Holtop DC DX Air Handling Unit includes DC Inverter DX air conditioner outdoor unit and constant frequency DX air conditioner outdoor unit these two series. The capacity of DC inverter DX AHU is 10-20P, while the capacity of constant frequency DX AHU is 5-18P. On the basis of constant frequenc...

MAIN FEATURES AND COMPONENTS Main features: • Equipped with supply fan and exhaust fan, brings in the fresh air and exhausts out stale indoor air as well. • Equipped with plate heat exchanger, recovers energy from outgoing indoor air, to save operating costs. • Thin height, easily installed in...

Holtop Total Heat Recovery Type Air Cooled Chiller (Heat Pump) Features Holtop total heat recovery air-cooled heat pump chiler adds casing heat recovery heat exchanger on the basis of modular air-cooletheat pump) chiler development, and adopts double four-way valve + diaphragm check valve + doub...

Holtop Fan Coil Units (FCU)  Features:  -Reliable and durable -High efficient heat exchanger -Low Noise -Flexible control -Ultra-thin design, saving more building space -Easy installation and maintenance -Various models available: HP02~HP14 - E.S.P. :  12 Pa, 30Pa, 50Pa available     ...

HOLTOP Standard Air Handling Unit is developed and manufactured using advanced technology and production processes, which has the characteristics of high strength, good sealing performance, compact structure, and flexible installation. It provides a comfortable and clean air conditioning environm...

Holtop Industrial Air Conditioning System Solutions Industrial HVAC Projects Air conditioning system Customize support 50U series modular air handling unit   50B series combined air handling unit     80B series modular air handling unit   Type 50B 80B 80C Structure Fr...

 Industrial AHU is an air handling system equipments which is designed according to specified projects need and combined with cooling, heating (water/steam/gas burning etc), humidifying/dehumidifying (steam/spray/wheel etc), air cleaning (washing/filtration/electrostatic etc), energy recovery, an...

Spare parts of Holtop ERV/HRV- CO2 sensors Parts No.:  HDK-CK-CO2 /5M wire The CO2 sensor adopts the NDIR infrared CO2 detection technology, the measurement range is 400-2000ppm. It’s for indoor air quality detection of ventilation system, suitable for most residential houses, schools, restaurant...

The functions include temperature display, fan speed control, weekly timer, external ON/OFF, comfortable heater control, defrosting control, CO2 control, filter alarm, fault alarm, data memory, night free cooling/by-pass function, BMS integration, humidity control, defrosting heater control, work...

The humidity sensing element is imported from Japan and controlled by specialized IC of high precision. It is featured by anti-interference, easy communication and wide range of applications.

Holtop advanced intelligent controllers with WIFI control function. WiFi Functions Modular will be used for wifi connection.

The CO2 sensor adopts the NDIR infrared CO2 detection technology, the measurement range is 400-2000ppm. It’s for indoor air quality detection of ventilation system, suitable for most residential houses, schools, restaurants and hospitals, etc.

HEPA filter can effectively remove fine particles from the air. Products series with PM2.5 filters: ERV of PMTH series, PMTG series, DMTH series, Eco forest series, Eco slim series; Fresh Air Filtration Systems, etc.

Fresh Air Solutions to Fight the COVID-19 Virus Fresh air solutions to fight the Virus (UVC + photocatalyst) Medical UVC germicidal lamp HOLTOP customized ultraviolet germicidal lamp can concentrate high intensity to kill bacteria and viruses in a short time. The wavelength of 254nm is easil...