Features of Aosun High Efficiency HRV
- It transfers heat energy between the old air discharged and the fresh air entering, reducing heat loss during the ventilation process.
- Equipped with efficient motor technology, it reduces daily operating energy consumption while maintaining stable airflow performance.
- The intelligent air flow regulation can avoid unnecessary energy consumption caused by excessive ventilation.
- Suitable for new buildings and renovation projects, it supports energy-saving ventilation.
Aosun | Professional High Efficiency HRV Manufacturer in China
Aosun is a professional energy-saving HRV manufacturer in China, dedicated to developing and producing efficient heat recovery ventilation systems for the global market. Our HRV solutions utilize advanced heat recovery technology, efficient motors, and intelligent air flow control to continuously supply fresh air while effectively reducing energy loss during the ventilation process. Aosun offers a complete product line covering single-room HRV, wall-mounted HRV, and customized ventilation solutions, which can flexibly support residential, commercial, and renovation projects. We collaborate closely with distributors, HVAC contractors, and brand partners, providing OEM/ODM services, technical support, and reliable quality control during the production process. By combining manufacturing technology, innovative ventilation technology, and international compliance standards, Aosun helps you provide energy-saving fresh air solutions, enhance indoor comfort, improve air quality, and reduce long-term operating costs.

Equipped with washable ceramic heat exchanger core for stable heat recycling and low residential ventilation energy loss.

Duct-free smart single-room wall HRV with ceramic heat core, delivering balanced fresh air and heat recovery for independent residential rooms.

The installation is simple and does not require large-scale wall drilling. It provide constant fresh air quality and recovers heat.

AOSUN’s wall-mounted heat recovery unit saves space while providing continuous fresh air and effective heat exchange.
How HRV Improves Ventilation Energy Efficiency

Heat Recovery Reduces Ventilation Energy Loss
The advantage of the heat recovery ventilator lies in its highly efficient heat recovery core component, which enables the recycling of energy during the ventilation process. During operation, the equipment expels the dirty and stagnant indoor air outside, while the heat recovery core can fully absorb the heat from the discharged air. At the same time, the equipment introduces fresh outdoor air into the room and promptly transfers the recovered heat to the fresh air entering the room.
Reducing HVAC Heating and Cooling Loads
The traditional fresh air ventilation system adopts an outdoor air intake mode. During summer and winter, the outdoor air needs to be fully heated or cooled by the HVAC system, resulting in high energy consumption of the HVAC system. HRV can adjust the temperature of the fresh air entering the room, making the new air temperature in the room close to the set indoor temperature. This significantly reduces the heating and cooling loads of the HVAC system and effectively reduces the overall operating energy consumption.
Continuous Fresh Air with Lower Energy Consumption
The HRV supports a continuous operation ventilation system with low power consumption. This device can operate stably for a long time, continuously removing the turbid air, pollutants and excessive moisture from the room, and replenishing sufficient fresh air. While maintaining long-term efficient ventilation, it avoids frequent equipment startups and excessive energy consumption, stabilizing the freshness and humidity balance of the indoor air, achieving the dual goals of low energy consumption operation and high standard indoor air quality.
Applications of Energy Efficient HRV Solutions

Residential Buildings
Modern residential buildings usually adopt airtight and heat-insulating designs, resulting in poor natural ventilation. Living spaces such as bedrooms and living rooms require a continuous supply of fresh air for a long time to ensure the health of the residents. Residential HRV solution provides a stable and sufficient supply of air for families, effectively reducing energy loss during daily heating and cooling processes, creating a constant, fresh indoor living environment, and achieving a balance between health, comfort, and energy conservation.
Renovation Projects
The renovation projects of old residential buildings and apartments face two major challenges: limited internal duct space and high overall renovation costs. HRV renovation solution adopts single room HRV equipment, which is small in size, does not occupy duct space, is easy to install and has a low cost. This solution is specifically designed for the renovation of old buildings and apartment scenarios, achieving energy-saving ventilation without the need for large-scale construction and renovation.
Commercial Buildings
Office buildings, shopping centers and other commercial structures have the characteristics of high population density, large indoor space and high long-term ventilation requirements. The centralized HRV is suitable for large-scale comprehensive commercial buildings, achieving overall unified ventilation and energy saving. The decentralized HRV is suitable for ventilation in office areas, allowing for flexible adjustment of ventilation volume according to the different traffic volumes of different areas, reducing ineffective energy consumption, meeting the high-standard ventilation and energy-saving requirements of commercial scenarios.
Public Buildings
The classrooms, libraries, exhibition halls and other public buildings on campus are densely populated and are used for a long time in a closed environment, which makes it very likely for carbon dioxide to accumulate rapidly, the air to become murky and the air quality to deteriorate. This affects the learning efficiency and comfort experience of the people inside. Aosun has specially designed an energy-saving fresh air system for public buildings. This system employs efficient heat recovery and low-energy consumption operation technologies to continuously replace the polluted air inside, control the carbon dioxide concentration within safe limits, ensure stable indoor air quality, and effectively reduce the energy consumption of public buildings.
How to Select an High Efficiency HRV System
Choosing an appropriate HRV system is the prerequisite for maximizing energy savings and ventilation efficiency. You can select an HRV based on five key factors to match different building scenarios and usage requirements.
Building Type
Different building structures are suitable for different types of HRV equipment. Small residential units and apartments are suitable for small single-room or wall-mounted HRV systems. Centralized HRV systems are more suitable for office buildings and large commercial buildings to meet the overall ventilation requirements.
Ventilation Requirement
You should determine the air flow requirements of HRV based on the size of the indoor space, the density of occupants, and the usage scenario. In densely populated areas such as classrooms and offices, a high-flow HRV is required. For residential living spaces, a conventional air flow mode can be adopted to avoid energy waste caused by excessive power consumption.
Climate Conditions
You can adjust the HRV function according to the regional climate characteristics. For cold regions, a high-efficiency HRV system with excellent heat recovery performance should be selected to maximize indoor heat recovery and reduce heating energy consumption. For hot and high-temperature regions, the performance of reducing equipment cooling loss should be emphasized to lower the summer air conditioning energy consumption.
Installation Method
You need to select the appropriate installation method based on the building conditions and renovation requirements. Centralized HRV is suitable for new buildings with reserved duct space. Single-room wall-mounted HRV is the best choice for renovation of old buildings and scenarios without reserved ducts. It has low renovation difficulty and flexible installation.
Why Choose Aosun High Efficiency HRV Solutions
Aosun focuses on the research, customization and production of efficient HRV systems. With professional technical capabilities and rich project experience, it provides global users with a one-stop energy-saving ventilation solution.
Flexible Customization
Aosun has a complete product line, covering single-room HRV, wall-mounted HRV, mini HRV and other mainstream models, which can meet the ventilation needs of various scenarios such as homes, apartments, offices, and public buildings. At the same time, we support ODM/OEM customization solutions, allowing us to adjust equipment parameters, functions and installation forms according to special project requirements, providing users with tailor-made ventilation and energy-saving solutions.
Strict Quality and Reliable Performance
All Aosun HRV equipment has undergone multiple rounds of strict performance tests, including heat recovery efficiency, operating power consumption, air volume stability and durability tests. The products have obtained CE, SAA and RoSH certifications, featuring stable heat recovery performance and reliable operation performance. We strictly control every production process to ensure that each device can maintain efficient energy-saving ventilation effects for a long time.
Global Supply Diversification Cooperation
We possess a mature global supply chain capability and support flexible OEM/ODM cooperation models. While ensuring stable product quality and efficient delivery, we provide comprehensive after-sales support to our global partners, helping them enter local markets and offering high-quality energy-saving HRV ventilation solutions to end users.
The overall power consumption of the HRV system is very low. The daily operating power of a single wall-mounted model is only a few tens of watts. Even if it is continuously on for 24 hours, the electricity bill will be very low. Long-term ventilation will not result in high electricity costs. The energy saved by the system through heat recovery for air conditioning and heating is usually much higher than the electricity consumed by the equipment itself.
The wall-mounted HRV is easy to install and does not require pipes. All you need to do is make a small ventilation hole on the wall without damaging the decoration. The construction can be completed in just a few hours. The whole-house central-pipe HRV is suitable for large commercial spaces. During installation, a piping layout is required, and it may take from a few days to ten days depending on the size of the project.
The efficient HRV has a more efficient heat recovery efficiency, and with the use of EC motors, it can save more energy consumption. The efficient HRV can also regulate the air volume. Its standby power consumption and operating noise performance are superior to those of the standard model.
Simply increasing the air volume will increase the energy consumption of the fan. However, HRV compensates for most of the heat loss of the fresh air through heat recovery. It is equipped with an intelligent control system that can automatically adjust the air volume according to the indoor air quality, avoiding unnecessary high-power consumption operation.
The two can be used in perfect combination. HRV pre-cools or pre-heats the fresh air, reducing the cold and heat loads brought by the fresh air and minimizing the heating and cooling workload of the heat pump. It is the mainstream HVAC combination scheme for energy-saving residences.
The HRV is designed for 24-hour continuous ventilation. It operates at a low speed and with a low air volume continuously, consuming less electricity compared to intermittent high-volume start-stop operation. The specific operating gears and duration can be adjusted according to the indoor air quality requirements.
The heat exchange efficiency of the equipment is affected by the outdoor climate temperature. The greater the temperature difference between indoors and outdoors, the more obvious the energy-saving benefits of heat recovery. Different temperature zones should be matched with corresponding HRV models with corresponding heat exchange performance.
The accumulation and blockage of dust on the filter screen will increase the wind resistance in the duct, reduce the ventilation volume, force the fan to operate at a high load, and directly increase energy consumption. We recommend that you check the filter screen condition every three to six months and replace it on time to ensure the heat exchange and ventilation efficiency of the equipment.
No. Selecting too large HRV will result in unnecessary energy consumption and frequent start-stop operations, thereby increasing the long-term operating costs. You should match the corresponding air volume model based on the space of the house and the population density.
Different sales markets have different compliance certification requirements. Such as European market: CE safety certification, ErP energy efficiency certification. North American market: UL/ETL safety certification. Australian market: SAA/RCM certification.




