The thermostat says 78. You set it to 72, it reads “cooling,” and… nothing. No hum from the basement, no fan outside, no air from the vents. Before you book a service call, know that a meaningful share of “AC won't respond” visits end with a technician flipping a...
Your nose is a better diagnostic tool than most people give it credit for. Air conditioners move the entire volume of your home's air past one coil several times an hour, so when something inside the system changes moisture, overheating wire, escaping refrigerant the...
It's the most common comfort complaint in two-story homes: the thermostat downstairs says 72, the main floor feels like a refrigerator, and the bedrooms upstairs are sitting at 78 or worse at bedtime. If this is your house, your air conditioner probably isn't broken....
Your AC shuts off, the house starts warming up, and you find the breaker in the tripped position. You reset it. It trips again maybe instantly, maybe twenty minutes later. Here's the single most important thing to understand before anything else: a breaker that keeps...
Air conditioners aren't silent, but they should be boring: a steady hum outside, a soft whoosh of air inside. When a new sound shows up buzzing, banging, screeching, hissing the sound itself is diagnostic. Technicians triage AC problems by ear before they ever open a...
A puddle around your indoor AC unit or worse, a water stain spreading across the ceiling below your attic air handler is alarming, but the cause is usually simple. In most cases, water leaking from an air conditioner is condensation that can't drain away properly, not...
Finding ice on your air conditioner in the middle of a Denver summer feels backwards but it's one of the most common cooling problems we see, and it always means something is wrong. Ice on the refrigerant line or evaporator coil is a symptom, never a normal operating...
It's 95 degrees, your AC is running, and the air coming out of the vents is warm. Before you assume the worst, know this: warm air from a running air conditioner usually traces back to one of six causes, and two of them are a thermostat setting and a tripped breaker...
Denver's dry climate and sharp day-to-night temperature swings create a window most homeowners never use: a large share of summer evenings cool off enough that a whole-house fan can do the job an air conditioner would otherwise be doing, for a fraction of the...
Short cycling an AC turning on and off in quick bursts rather than running through a full, steady cycle is easy to write off as just how the unit sounds. It's actually one of the more telling diagnostic signs a system gives you, and left alone, it accelerates wear on...
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