Hamstra Heating & Cooling Inc. » Business Connections Go back to directory. Add to Address Book. Hamstra Heating & Cooling Inc. Hamstra Heating & Cooling Inc. Work 2035 E. 17th Street Tucson AZ 85719 work Work Phone: (520) 629-9833work Work Email: moc.caartsmah@ffejINTERNET Website: Website Connections Business Directory | Leaflet | Wikimedia 2035 E. 17th Street Tucson AZ 85719Get Directions