2-in-1 function

Thermal performance testing for solar air collector; Pressure drop test; Time constant test; Visual inspection; Internal pressuretest; Rupture or collapse test; Stagnation temperature; Exposure test; Externalthermal shock; Internal thermal shock; Rain penetration; Freeze resistance; Mechanical load; Impact resistance test using steel ball; Final inspection. All above listed tests of the standard EN12975-1:2006+A1:2010 and ISO 9806:2017 were passed successfully in accordance with the criteria.

The Solar Keymark is a voluntary third-party certification mark for solar thermal products, demonstrating to end-users that a product conforms to the relevant European standards and fulfills additional requirements. It is widely spread across the European market and beyond. The Solar Keymark is a quality label.

Standard function

New Arrival ! Felt Cover Solar Air Heater
Jun 17 2020 1 Comments

New Arrival ! Felt Cover Solar Air Heater

The special felt heater can be spliced ​​with aluminum alloy collector (OS20/22/30/32) and installed on a flat roof or wall. The air goes through the black felt gap (air intake volume remains unchanged) can efficiently absorb the heat of the sun, thereby increasing the temperature of the outdoor fresh air that entering the room. As long as the felt heater is spliced, the temperature of the fresh air from outside can be increased: F7----about 10℃; F11----about 15℃.
After a long period of outdoor dust and rain test, the air intake volume of ordinary one would be reduced by up to 3%. It can effectively filter dust and become clean after rain washing, no maintenance is required. Its service life is more than 5 years.

felt cover heater


17 June 2020

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