Why is my AC system freezing up?

There are lots of reasons why your AC system freezes up in Toronto. Nearly all of them frequently need professional AC repair.

Checking the air filter isn’t dusty and airflow isn’t restricted are the only work you can safely handle on your own. If you need to install a new the filter, you can hasten the melting process by switching off the system and turning on the fan. If you have a heat pump, you can move it to heat mode until the ice has melted.

After the ice disappears, turn settings back to normal. If your equipment freezes repeatedly, contact Service Experts Commercial HVAC to fix the problem.

Here are several other reasons why your system might be freezing up.

Insufficient refrigerant—A frozen system may be created by a refrigerant leak.

What creates a leak?

  • Fragile solder joints
  • Resistance from piping jarring against an object
  • Ruptured valves
  • Unsecured fittings

How long your system has been working and the area of the leak play a role in whether you should repair or replace your AC system.

Filthy evaporator coil—As time passes, the evaporator coil attracts dirt and creates troubles resembling a dusty filter. You’ll gradually lose airflow until your system freezes or halts cooling. You’ll need to get in touch with Service Experts Commercial HVAC to fix the problem.

Malfunctioning blower motor or relay—A blower motor working at an incorrect speed or not running at all can result in freezing. It may also be intermittent, going at top speed and slowing down after it gets too hot. Or a relay may force it to run one time and not the next. In either case, you will need to contact Service Experts Commercial HVAC to fix the issue.

Requesting regular AC maintenance or heat pump maintenance could help you bypass this malfunction. Our pros will thoroughly check and clean your unit, which typically allows us to discover little issues before they become major issues.