Reliable furnace maintenance at your Apple Valley, CA, home starts with a call to our team at Aace's Heating, Air Conditioning & Swamp Coolers. Over the years, we have seen the difference regular care makes in the function and life of home comfort equipment. Because California has a warmer climate, your heating system may not run as much as in other parts of the country. However, you still rely on it for comfort on cold evenings. A professional furnace tune-up is essential for getting the system ready for the cooling season.