Generally, the delivery time of samples is about 15 working days.
Our company has a sound quality management system.we have obtained ISO9001、ISO4001、ISO45001、CE and over 80 patent certificates.
We have all kinds of ERV,ERV with preheating and precooling,ERV with dehumidification,ERV with humidification,HRV and so on.If you have any requirement,we can custom for you.
If you need, you can contact our customer service staff to guide you to install, or you can refer to the following installation video.
Under normal circumstances, in the case of non-human damage, we offer you a free quality guarantee for one year. If you have any questions, please contact our customer service. If the warranty period is exceeded or the product is artificially damaged during the warranty period, we will provide paid replacement parts and other services.
