Home Mechanical Ventilation System ERV HRV Fresh
Air purification and ventilation system Fresh
air + Energy recovery, reducing running cost of 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 treat (precondition) the incoming
outdoor ventilation air in residential and
commercial HVAC systems. During the warmer seasons, the
system pre-cools and dehumidifies while humidifying and pre-heating
in the cooler seasons. The benefit of using energy recovery is
the ability to meet the ASHRAE ventilation & energy
standards, while improving indoor air quality and
reducing total HVAC equipment capacity.Super slim design,
minimizing installation spaceSlim ventilators are designed
specially for the projects which have very strict ventilator
height requirement, compared with the traditional congeneric
products, Slim height is 20% off. Access door is at the bottom
so maintenance is much easier. High energy recovery
efficiencyHoltop crossflow enthalpy exchanger is built in the
full Eco-slim series Erv, heat recovery efficiency up to 82%
in winter, the allowance of moisture exchange
between fresh air and exhaust air make a soft
indoor temperature and humidity. Energy
saving Installation:Selection Guide1. Choose the proper
installation types based on the building structure2. Determine
the fresh airflow required according to the use, size and
number of persons3. Select the right specifications and
quantity according to the determined fresh airflowExampleThe
area of a computer room is 60 sq. meters (S=60), the net height is
3 meters (H=3), and there are 10 per-sons (N=10) in it.If it is
calculated according to "Personal fresh air consumption", and
assume that: Q=70, the result isQ1 =N*Q=10*70=700(m3/h)If it is
calculated according to "Air changes per hour", and assume that:
P=5, the result isQ2 =P*S*H=5*60*3=900(m3)Since Q2 > Q1 , Q2 is
better for selecting the unit. As to special industry such as
hospitals (surgery and the special nursing rooms), labs, workshops,
airflow re-quired should be determined in conformity with
regulations concerned.
Why choose Holtop as business partner?Holtop is the leading manufacturer in China specializing in the production of air to air heat recovery equipments for more than 16
years. Holtop can supply a full range of products, up to 20 series and 200 specifications. The product range mainly covers heat and energy recovery ventilators, rotary heat exchangers, plate heat exchangers and air handling units. Holtop has 400 employees and covers an area of more than 30,000 square meters. Annual production ability of heat recovery equipment reaches 100,000 sets. Holtop supplies OEM products for Midea, LG, Hitachi, McQuay, York, Trane and Carrier. As an honor, Holtop was the qualified supplier for
and Shanghai World Exposition 2010. Holtop has established business relationships with major countries in Asia, Europe and North America, and earned a worldwide reputation for providing reliable products, knowledgeable application expertise and responsive support and services. How about the product quality? Holtop assures high quality products with professional R&D team, first-class production facilities and advanced management system. Holtop owns numeral control machines, national approved labs, and has successfully passed the certifications of ISO9001, ISO14001, OHSAS18001, CE and RoHs. All our products are tested 100% before ex-factory to ensure high quality. Holtop
FactoryHoltop is one of the best manufacturer in ERV/HRV, heat
exchanger and AHU area in China, founded in 2002, areas covered
more than 70,000 square meters, turnover of 2021 is 500+
million dollars, we have enthalpy testing lab. for products test.
As a leader in energy/heat recovery equipments, we cooperate with
more than 30 famous companies who located in Europe, the Middle
east, Korea, Southeast Asia, Taiwan, etc. supplied equipment to
Shanghai Expo 2010, works together with domestic and international
brands like Midea, Haier, Hitachi, etc.Holtop partnerHoltop
cooperate with world famous brand or offer OEM service including
Hitachi, LG, McQuay, TRANE, Systemair, Aldes, York, Haier, Gree,
MHI Group, Midea, Carrier, Dunham-Bush, etc. /* January
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