Why would an AC unit stop blowing cold air?

Why would an AC unit stop blowing cold air?

Leaking or Low Refrigerant If your central AC is not blowing cold air, the refrigerant may be the problem. The unit could be running low and need additional refrigerant added. The most likely cause of this is a leak. If you suspect a refrigerant leak, you should contact an HVAC professional right away.

When do you Know Your air conditioner is not working?

If you turn the thermostat to “Cool” and absolutely nothing happens, please see Central AC Not Working At All. This information will also guide you through checking the air handler, clearing the condensate drain, and checking the outdoor compressor. If you can hear the AC running but it isn’t blowing air, please see Air Conditioner Not Blowing Air.

What causes an AC unit to stop working?

5 Reasons Why Your Air Conditioner Stopped Working 1: The Unit Is Too Small or Has an Old Thermostat. Old-fashioned dial thermostats are particularly prone to malfunction. 2: The Outdoor Condenser Unit is Blocked. Shrubs should not be planted too close to your AC unit because they could… 3: Low …

Is the AC going to stop working this summer?

One Indianapolis-based repairman, for example, told a local TV station in May 2018 — a record-breaking hot month in that area — that he had been working six days a week, up to 14 hours a day, responding to calls for repairs [source: Houser ]. Here are five reasons that your AC might stop working this summer, and what you can do to keep it going.

Why does my air conditioner freeze up when I Turn on the AC?

Only two things cause an AC air handler to freeze up: 1) reduced air flow because of dirty filters, coils, or poorly working fans, and 2) low refrigerant level, which a pro must check and, if necessary, recharge. More often than not, the problem comes from reduced air flow.

If you turn the thermostat to “Cool” and absolutely nothing happens, please see Central AC Not Working At All. This information will also guide you through checking the air handler, clearing the condensate drain, and checking the outdoor compressor. If you can hear the AC running but it isn’t blowing air, please see Air Conditioner Not Blowing Air.

One Indianapolis-based repairman, for example, told a local TV station in May 2018 — a record-breaking hot month in that area — that he had been working six days a week, up to 14 hours a day, responding to calls for repairs [source: Houser ]. Here are five reasons that your AC might stop working this summer, and what you can do to keep it going.

5 Reasons Why Your Air Conditioner Stopped Working 1: The Unit Is Too Small or Has an Old Thermostat. Old-fashioned dial thermostats are particularly prone to malfunction. 2: The Outdoor Condenser Unit is Blocked. Shrubs should not be planted too close to your AC unit because they could… 3: Low

How often does your AC turn on and off?

Depending on indoor and outdoor conditions, this could mean that your system turns on and off every 5 to 10 minutes. An air conditioner that is switching on and off repeatedly is bad for both homeowners and your AC system.