Advanced San Diego Heating & Furnace Services When your air conditioner is working smoothly chances are you’re not overly concerned with getting maintenance done on it. However, if it has been too long since your last repair, you are potentially risking a sudden breakdown that could leave you without heating and cooling, and with potentially more costly emergency service. We help you avoid these scenarios by scheduling Furnace and Heater maintenance at regular intervals. While we repair your system we also take notes on the age and overall shape of your unit, helping you make decisions about future service options. Please call us today for any Furnace. Heater Services.