Seven checks you can do yourself, from the thermostat and filter to the breaker and a frozen coil, and the point where it is time to call.
Read the guideA simple rule of thumb for weighing a repair against a new system, and what it leaves out, such as R-22 refrigerant and repair history.
Read the guideWhat pushes the cost of a repair, replacement or tune-up up or down, and what an itemized quote should include. No price lists, just the factors.
Read the guideWhich brands share a manufacturer, what actually makes a system last, and what to compare between replacement quotes.
Read the guideHow to check a California C-20 license, why permits matter in Poway and Rancho Bernardo, and the red flags to watch for.
Read the guide