[Buffalo NY Heating and Cooling & Refrigerator Repair Services| KJ Mechanical KJ Mechanical is a full service HVAC/R company servicing Niagara Falls, Buffalo and the surrounding areas, covering most of Erie and Niagara Counties. Licensed and insured, we are the last call you will need to make for all your heating, including furnace repair, air conditioning and refrigeration needs as well as commercial kitchen equipment repair. […]]