ARMS One Hour Air Conditioning and Heating, is a CA Heating, Cooling, Air Conditioning, Geothermal Heat Pump, Ductless Mini-Split and Furnace repair, service, replacement and maintenance Company. ARMS One Hour Air Conditioning and Heating employs only the best plumbers & technicians for plumbing repairs, air conditioner repairs and, furnace repairs as well as all air conditioner replacements, furnace replacements and boiler replacements.