A-1 Heating & Improvement Co provides heating, furnace and air conditioning services to the residential and commercial clients in Toledo & Sylvania, Ohio (OH) and the surrounding areas. Visit us online or contact us at 419-243-4871 for our services! / At A-1 Heating & Improvement Co, we provide heating and air conditioning service including installation, maintenance and repair to the clients in Toledo & Sylvania, Ohio (OH) and the surrounding areas. Visit our website or call us at 419-243-4871 for our services! / A-1 Heating & Improvement Co specializes in providing heating, furnace and air conditioning services to the residential and commercial clients in Toledo & Sylvania, Ohio (OH) and the surrounding areas. Contact us at 419-243-4871 to get detailed information about our services!