whole house heat recovery ventilation

{"title":"ERV HRV 300CFM Whole House Heat Recovery Ventilation System","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/3d\/cb\/d3df615afed63d463983a22beaca-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"CS","Model Number":"CSD500","Minimum Order Quantity":"Negotiable","Delivery Time":"15-25 work days","Certification":"CE","Place of Origin":"CHINA","Packaging Details":"Standard export packaging","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1000 piece per day","Name":"ERV HRV energy recovery ventilation fresh air ventilator used for home","Model":"CSD500","Voltage":"220V\/50HZ","Power":"150W","Fresh air volume":"500 m3\/h","Weight":"38 kgs","Applicable area":"120-150 m2","Colour":"Grey\/Black"}}

{"title":"200w Mechanical ERV House Fresh Air System Heat Energy Recovery Ventilators","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/4e\/e1\/5d4ac69c9243272c02c56aee4b4d-200x200-1.jpg","attrs":{"Brand Name":"XUGUANG","Model Number":"XH-500D","Minimum Order Quantity":"1","Place of Origin":"CHINA","Payment Terms":"T\/T","Air volume":"500m3\/h","Power":"200w","voltage":"220V"}}