"Your Comfort Level Is Our #1 Priority" RESIDENTIAL COMMERCIAL INDUSTRIAL HIGH EFFICIENCY FURNACES GEOTHERMAL AIR CONDITIONERS .Humidifiers. Duct Fabrication Duct Cleaning Air Filters Commercial Systems Geothermal Systems FULL SERVICE SHEET METAL SHOP LOCALLY OWNED & OPERATED FULLY INSURED & BONDED FREE ESTIMATES MAINTENANCE CONTRACTS AVAILABLE 665-7020 MEMBER Armstrong's 665-7020 COUPONSI I IN BACK I OF BOOK I HEATING & AIRINC. SERVING ALL FOUR COUNTIES FOR THE LAST 25 YEARS .Steuben DeKalb 304 Calvary Lane. Angola Dave and Matt Armstrong, Owners Noble. LaGrange