Zelaya (Guanajuatuo State) has a central plateau climate with a large temperature differencebetween day and night, dry and hot summers, and relatively cool winters. ERV (Energy 

Recovery Ventilation) can recover cold and heat loads while exchanging air, reducing energy consumption and stabilizing indoor temperature, humidity and air quality. It is particularly 

suitable for places with good airtightness, high population density or where humidity is prone to getting out of control.

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The most suitable places for installing ERVs in Zelaya are mainly concentrated in several scenarios such as residential, office and commercial, educational and medical, industrial 

manufacturing, and cultural and sports services. In terms of residences, bedrooms and living rooms, as the core areas for daily activities and sleep, require continuous clean fresh air to 

ensure health and sleep quality. Basements and attics are prone to dampness, mold and odor accumulation. ERV can effectively control humidity and remove odors. A closed garage 

can expel exhaust gases and odors, preventing them from entering the room. In office and commercial Spaces, such as office buildings, call centers, shopping malls, and hotel rooms/

lobbies, where people are dense and equipment generates a lot of heat, ERV can not only meet the continuous ventilation needs but also reduce air conditioning energy consumption 

through energy recovery, enhancing customer experience and work efficiency. Educational and medical facilities such as classrooms, libraries, laboratories and clinics have high 

requirements for air quality and cross-infection prevention and control. ERV can provide stable fresh air and control energy consumption. Laboratories also need to be linked with 

exhaust systems to meet process requirements. In the field of industrial manufacturing, clean rooms, electronic/automotive parts factories, and food processing plants require strict 

control of temperature, humidity, and dust. ERV can recover cold and heat loads while exchanging air, reducing operating costs and meeting environmental protection and process 

standards. Cultural and sports service venues such as gyms, swimming pools, cinemas, restaurants/kitchens often have problems such as high humidity, odors, and CO₂ accumulation

. ERV can quickly expel stale air, introduce fresh air, and recover heat at the same time to keep the indoor air fresh and the temperature suitable. Swimming pools especially need toenhance dehumidification and insulation to prevent condensation.

When installing, it should be noted that the central ERV should be placed in the equipment room, ceiling or machine room. Wall-mounted/ceiling-mounted types should be installed 

near the exterior wall to reduce the loss of air ducts. It is recommended that the filtration grade be at least G4+H11. For sensitive areas, HEPA can be upgraded. Interlocked with air 

conditioners/heat pumps and exhaust fans, and equipped with CO₂/ humidity sensors for linkage, it can start and stop as needed to achieve a balance between energy conservation and

 comfort. In winter, anti-frost measures should be well taken. In summer, sensible heat recoveryshould be the main approach. In extreme weather, bypass or shutdown protection can be 

switched.