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What Causes the AC to Blow Hot Air or Stop Working?
heating
9/29/2021
Erin Smith

What Causes the AC to Blow Hot Air or Stop Working?

While today’s heating and cooling systems are more advanced and reliable than ever, they can still malfunction without proper care. When these issues are left unresolved, your family’s comfort and safety can be at risk.

Imagine being stuck in the middle of winter with no heat to keep your home warm. It’s one of the most stressful situations a homeowner can face. Fortunately, most unexpected breakdowns can be avoided by recognizing problems early and scheduling timely maintenance.

The Most Common Causes for a Heater or AC to Stop Working Include –

Low Refrigerant

If refrigerant levels in your heat pump drop too low, the compressor can overheat and eventually fail. When the heat strips are activating too often, it’s usually a sign that refrigerant levels need to be adjusted. Repairing leaks and recharging refrigerant is far less expensive than replacing a compressor. For expert help, call residential AC & heating services in Farmington.

Poor Annual Maintenance

Routine maintenance is essential for efficiency and reliability. Licensed technicians can identify potential issues before they escalate, clean AC coils, and perform system inspections. Skipping maintenance can even void your manufacturer’s warranty if a covered fault occurs.

Ductwork Problems

Improperly designed or poorly installed ductwork can reduce system performance and efficiency. Unfortunately, many installers cut corners with sizing or placement. The best way to resolve these issues is to hire professional HVAC services in Layton to repair or redesign faulty ducts.

Failed Blower Capacitor

The blower capacitor acts like a large battery, providing the surge of energy needed to start the blower motor when your thermostat signals the furnace to run. If the capacitor is out of tolerance, the blower may not reach the proper RPMs, causing system failure.

Incorrect Thermostat

A malfunctioning thermostat can cause your AC to short cycle, run inefficiently, or stop working entirely. Modern programmable thermostats allow for scheduling and even remote control, helping maintain comfort while reducing energy use.

Obstructed Air Filters

Dirty or clogged filters restrict airflow, which can lead to frozen coils and other performance issues. Regularly cleaning or replacing filters keeps the system running smoothly and prevents coil freeze-ups. Check for frost buildup on the coil as an early warning sign.

If you’re dealing with heating or AC problems, don’t wait until it gets worse. Contact Blue Best Plumbing, Heating, Air, & Generators for professional HVAC services in Layton, UT. Call or email us at info@bluebest.com to schedule an appointment with one of our skilled technicians today.

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