residential erv hrv with warranty

{"cid":"91223798","title":"Holtop CFA Series Ceiling Mounted Energy Recovery Ventilator Dimensions for Residential ERV HRV","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/21\/74\/e4b500d651467a09fbf43ced50ed-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"HOLTOP","Model Number":"CFA250C","Minimum Order Quantity":"1 Pcs","Delivery Time":"Two weeks","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"200000 units per year","Packaging Details":"Box Package","Rated Power":"220V","Country Of Origin":"Beijing\uff0cChina","Fan:":"DC Fan","Optional Parts":"CO2 Sensor, Wifi module, F7 filter","Installation":"Ceiling Mount","Air Filters":"G3","Control Mode":"Control included with 4-mode operation","Inner Structure":"Galvanized Sheet Shell + Integrated EPS Foam Structure + Internal Insulation","Noise Level":"30-50 dBA","Model":"CFA 250C","Auto Bypass":"100% automatic control","Airflow Range":"150~2000CMH","Extornal Pressure (Pa)":"120","Enthalpy Efficiency (%) Heating:":"69-82","Rated Airflow (m\/h)":"650","Enthalpy Efficiency (%) Cooling":"66-81","Temperature Efficiency (%)":"77-86"}}

{"cid":"91202313","title":"HVAC Thermostat Dpurat HRV Fresh Air Ventilator Heat Energy Recovery","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/74\/a2\/483b195ffc3d0de90b5904c03bc3-200x200-1.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"}}