The clock is ticking! On Time Home Services Heating and Air Conditioning is ready for your call. Whether it is annual HVAC maintenance or full system replacements, On Time is your most reliable source for heating and cooling services in Temecula and the surrounding areas. It’s our On Time promise—we’re there for you; on time, any time, every time. Don’t Delay! Call On Time today to schedule an in-home consultation appointment: (951) 292-0200.