Done right from start to finish, from furnace installation to furnace repair, McNally’s will take care of all your heating and cooling or HVAC needs. From our products to the level of customer service you receive with McNally's Heating and Cooling, we want to make you happy because that's what makes us happy. If you are in the western Chicago suburbs in Kane County and need furnace or air conditioning repair, we’re the company for you. We provide top notch service and have been recognized with awards for our customer service. No job too small, we do it all Geneva, St. Charles, and Batavia, Illinois, call today for a free furnace estimate. Services: Heating, Air Conditioning, HVAC Installation, HVAC Maintenance, HVAC Repair, HVAC Replacement, Air Purification, Emergency HVAC Services