From inside (document excerpt):
58HDV Direct Vent 4 Way Multipoise Condensing Gas Furnace 95% Downflow / Horizontal Orientations 93.5% Upflow Orientation Product Data 95% Variable Speed Two-Stage Heating Furnace FLEXIBILITY S Supports two-stage cooling units Dual Certified venting (1 or 2 pipe), Direct Vent Furnace 40in (1016mm) high with wider cabinets, for ease of installation Factory shipped for natural gas, with Propane Gas conversion kits available S Four-way multipoise installation S Vent pipe can be run horizontally or vertically S Internal condensate drain system S Self diagnostics S Entire blower assembly removable S Adjustable timed blower heating Off delay Adjustable timed blower cooling On/Off delay Thermal lined, one piece steel cabinet for noise reduction Insulated blower compartment 24 and 115VAC humidifier terminals Electronic air cleaner terminal Dehumidification option 95% AFUE Two-stage operation ECM Variable speed DC motor Two-stage Induced draft blower In-shot burners California NOx approved Model Number 58HDV040 58HDV060 58HDV080 58HDV100 Dimensions H x W x D Inches 40 x 191/8 x 29 40 x 40 x 40 x 191/8 223/4 241/2 x 29 x 29 x 29 Millimeters 1016 x 486 x 737 1016 x 486 x 737 1016 x 578 x 737 1016 x 522 x 737 Input (MBTUH) 40 60 80 100 QUALITY Stainless steel heat exchanger Stainless steel secondary heat exchanger High temperature limit control prevents overheating Direct ignition with Silicon Nitride igniton Flame roll-out sensors standard External filter rack with permanent filters ! WARNING UNIT OPERATION HAZARD Failure to follow this warning could result in personal injury, death or property damage.
This furnace is not designed for use in mobile homes, trailers, or recreational vehicles. SERVICE COMFORT ama DE S I GN EFFICIENCY As an ENERGY STAR Partner, Carrier Corp. has determined that this product meets the ENERGY STAR guidelines for energy efficiency. ER TIFIE CERTIFIED UPFLOW/DOWNFLOW/HORIZONTAL (NATURAL GAS) Efficiency AFUE 95 95 95 95 Cooling Capacity @ .5 in wc (125 Pa) 1.5 – 3.0 TON 1.5 – 3.5 TON 3 – 5.0 TON 3 – 5.0 TON Weight Lbs Kg 150 168 187 203 68 76 85 92 1 D C FURNACE SPECIFICATIONS Model Number { INPUT { HTG. CAPACITY TEMP. RISE RANGE HIGH HEAT(BTUH) LOW HEAT (BTUH) HIGH HEAT(BTUH) LOW HEAT (BTUH) HIGH HEAT (oF/oC) LOW HEAT(oF/oC)