Great AC performance and increased reliability are two benefits of scheduling regular AC maintenance in Riverside, CA. At 4 Points A/C & Heating we’re proud of our thorough air conditioner maintenance service, the heart of caring for your new or long-serving AC system. We send top technicians who thoroughly inspect your system, check its operation and test for problems. We also clean coils for efficiency, and filters and drains for proper operation. When temperatures lock into our summer 90s for months on end, you’ll be ready in Riverside.