Mini split + ductless ERV [1] would probably be cost efficient and effective for this home office. No need to get a full ducted hvac setup. [1] e.g. https://ww

Mini split + ductless ERV [1] would probably be cost efficient and effective for this home office. No need to get a full ducted hvac setup. [1] e.g. https://www.pioneerminisplit.com/products/pioneer-ecoasis-50-ductless-wall-mounted-single-room-wi-fi-energy-recovery-ventilator https://www.pioneerminisplit.com/products/pioneer-ecoasis-50...