hrv system for indoor air quality

{"cid":"91223798","title":" Energy Recovery for Residential and Commercial HVAC Systems with Intelligent Control and Wifi Function for Residential ERV HRV to Improve Indoor Air Quality","imgUrl":"https:\/\/img.chinax.com\/nimg\/ae\/10\/71f24585b0ac8098e9c830019fed-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"HOLTOP","Model Number":"CFA1500C","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 Voltage\/Frequency":"AC220-240V\/50\/60Hz","Power Supply Voltage":"Rated Voltage \u00b110%","Operating Conditions":"Temperature: -20\uff5e45\u2103\/Relative Humidity: Below 85% RH","Storage Conditions":"Temperature: -20\uff5e55\u2103\/Relative Humidity: Below 85% RH","Control Method":"LCD Controller, APP (requires optional WIFI module)","Motor Type":"DC plastic-encapsulated motor","Motor Insulation Class":"B Grade for 150\uff5e650 m\u00b3\/h air volume, E Grade for 800\uff5e2000 m\u00b3\/h air volume","Heat Exchanger":"Resin frame","Filter":"G3 PU frame","Energy Efficiency Table":"The EuroVent series ventilator is a product marketed for the European market. Its energy efficiency related performance parameters comply with the EU 1254\/2014 standard. Please refer to the attached documents for details."}}

{"cid":"91225759","title":"High Precision Air Quality Monitor Controller For Residential Commercial ERV HRV Fresh Air Exchange HVAC System","imgUrl":"https:\/\/img.chinax.com\/nimg\/bc\/e6\/4eb44268653165eb0127273006e0-200x200-1.jpg","attrs":{"Price":"US$80","Brand Name":"OEM or neutral (no brand)","Model Number":"KF-900A-Y2","Minimum Order Quantity":"1","Delivery Time":"2-3 weeks","Payment Terms":"T\/T","Power supply":"Customized (AC\/DC depending on project)","Communication Protocol":"RS485 Modbus RTU","OEM\/ODM":"Supported (UI, Logo, Hardware customization)","Supply Ability":"100000pcs","Smart integration":"BMS \/ Smart Home \/ HVAC System Integration","Air Quality Monitoring":"CO\u2082 (Optional), PM2.5 (Optional)","Place of Origin":"China","Product Name":"Smart Fresh Air Ventilation Controller","Certification":"CE, RoHS"}}