The last thing you want on a hot day is to wait hours for the air conditioner to be repaired. Green Tree Heating & Cooling offers reliable and lasting air conditioner repair around-the-clock. Frequent causes of ac repair in NorCal include compressor, thermostat, and fan failures and clogged condensate drains. Our trained technicians diagnose any issue and make necessary repairs so your home or business is cooled again quickly. Timely repairs help any air conditioner last longer while you save money on utility bills. We know you expect the issue to be fixed the first time — the basis for our business model.