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• Post JUJCO Team
• 15 Jun, 2025
• 03 Comments

Why Your AC Suddenly Stops Cooling in the Middle of an Edmonton Heatwave

When the humidity climbs and the thermometer pushes past 28°C, the last thing you want is warm air drifting from the vents. An air conditioner that ran fine last week can suddenly start blowing room-temperature air for a handful of very specific reasons — most of which are fixable long before a full compressor failure. Here are the usual suspects our technicians find during summer service calls.

Start with the cheap fixes: a clogged filter or a tripped breaker causes more "no-cool" calls than any major part. A fifteen-minute check can save you an emergency visit. JUJCO Heating & Cooling

Common Causes of an AC That Blows Warm Air

A professional diagnostic goes well beyond a thermostat glance. JUJCO technicians check the refrigerant charge, inspect the outdoor coil, test the capacitor and contactor, verify the condensate drain, and measure the temperature split across the evaporator. Catching a failing capacitor early prevents a mid-July compressor burnout.

If we find a problem, you will receive a clear explanation, an efficiency reading, and a written estimate before any work begins. No surprises, no pressure — just the facts you need to stay cool.

• AC Repair & Maintenance
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• Indoor Air Quality Services
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