Armstrong Heating & AC, Inc. With a total of 200 years of combined service, we can better serve you. Amma Heating & Air Conditioning mana LASTS AND LASTS AND LASTS. 2 Full-Time Service Techs 3 Installation Techs 220 S. 14th Washington 319-653-4276 Armstrong Heating & AC , Inc. With a total of 200 years of combined service , we can better serve you . Amma Heating & Air Conditioning mana LASTS AND LASTS AND LASTS . 2 Full - Time Service Techs 3 Installation Techs 220 S. 14th Washington 319-653-4276