San Mateo HVAC – Heat Pump Not Blowing Cool Air?

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It’s June, and the need for air conditioning will be here before you know it. If you haven’t done so, you may want to try out your heat pump on “cool” mode to make sure it’s functioning properly before warmer temperatures arrive. Maybe you’ve already switched the heat pump to cooling mode, but your system isn’t blowing cool air. What could be the problem?

Heat pumps work somewhat like air conditioners, by circulating refrigerant through valves and coils. The difference with a heat pump is that it can be used to heat your home in winter months, and cool it in summer months by simply reversing the process (reversing the direction in which the refrigerant flows). While they’re an exceptional choice for comfort and saving substantially on energy costs in milder climates, you may run into a problem just as with any other type of equipment. If your heat pump won’t blow cool air from the vents, our Bay Area air conditioning technicians are capable of diagnosing the issue and making any adjustments or repairs.

In the meantime, a couple of possibilities that may explain why your heat pump isn’t blowing cool air include:

Refrigerant leak. Heat pumps aren’t supposed to leak refrigerant, however it can happen. This is often most noticeable when you switch from heating to cooling mode in the spring or summer months. When it does occur, ice forms on the evaporator coil and it can throw the heating/cooling process off.

Reversing valve breaks. If the reversing valve is broken, your heat pump may become “stuck” in heating mode. The direction in which the refrigerant flows through your system determines whether warm or cool air is delivered into your home. When this valve breaks or malfunctions, you won’t be able to set your system to cooling mode. This is a fairly common problem that can be fixed by one of our trained technicians, who can make the repair or replace the reversing valve depending on the problem.

If your heat pump won’t blow cool air into your home after switching to cooling mode, call the San Mateo HVAC professionals at Ortiz Heating & Air Conditioning. We’ll have your system back up and working properly in no time at all!