Best AC Repair Shop in Riverside
Follow these steps:
Clean the indoor unit filter(wash and sun dry)
Clean the indoor evaporator coils(use cleaning spray, readily available)
Clean the outdoor unit cooling fins(use water jet,do not use brush)
Get technician to check the gas pressure. if it's low,fill enough gas(he can do all the above work as part of service)
Shade the outdoor condenser coils from direct sunlight. provide a shade.
Keep doors and windows in the airconditioned space closed to minimise heat ingress.
Hope this helps.