MODINE: Hot Dawg Garage/Shop/Unit Heaters30,000-125,000btu/h MODINE: Hot Dawg Garage/Shop/Unit Heaters 30,000-125,000btu/h Natural Gas / Propane 80% Efficiency Quiet operation Low profile design Certified for residential, commercial and industrial use Standard power exhaust simplifies side-wall or roof venting Versatile design allows for right or left hand controls and installation Gas, electrical and flue connections can be changed from one side to the other by simply flipping the Hot Dawg over Permanently lubricated motor for trouble-free dependability Full 10-year warranty on heat exchanger 3" Vent (Models 30,000 - 75,000 BTU) 4" Vent (Models 100,000 - 125,000) 120 volt Propane service requires the field installation of natural gas-to-LP conversion kit HD30AS0111 ( 30,000btu/h ) : $1050 HD45AS0111 ( 45,000btu/h ) : $1100 HD60AS0111 ( 60,000btu/h ) : $1250 HD75AS0111 ( 75,000btu/h ): $1300 HD100AS0111 ( 100,000btu/h ) : $1575 HD125AS0111 ( 125,000btu/h ) : $1650 Propane Conversion Kit. $80 In Canadian dollars with all taxes included. We do offer professional, factory approved installation as well. Financing and/or leasing options available From $42.99/per month installed*. We can ship equipment as well. Cost determined by location*.