Mackay Heating & Cooling offers Emergency Hot Water Heater Repair, Emergency Furnace Repair and Emergency Air Conditioning Repair. Save money and protect your investment with our boiler and hot water heater installation and service.You can sleep easy at night knowing that your equipment is well-maintained and functioning properly to provide you with the utmost comfort effectively and efficiently. Focusing on Hot Water Heater Repair, Air Conditioning Repair and Furnace Repair services with 24/7 Emergency support.