Air Conditioning Quick Fixes for Homeowners (1/2)

When your air conditioner starts making a strange noise or stops working altogether, it’s easy to panic. Many homeowners don’t possess a detailed knowledge of cooling systems, which can make tackling a broken air conditioner intimidating.

The truth is, not every HVAC issue requires professional help. In some cases, the air conditioner fix can be performed by the homeowner – as long as you know what to do. Below are some common cooling system issues that may arise this summer, as well as the air conditioner fixes that can get your equipment running smoothly again, without the expensive repair bill.

Air Conditioner Fix: AC won’t turn on

An air conditioner that won’t start on a hot day can certainly make you sweat. Before you call an HVAC contractor, take the following steps:

Check the Thermostat Settings

If your thermostat is adjusted without your knowledge, the settings may not be correct to call for cooling.

Make sure the thermostat has power. Replace the batteries with fresh ones. If your thermostat is hardwired to the home’s electrical system, check the breaker to ensure it has not been tripped, cutting off power to the thermostat.

Check the settings. Your thermostat should be set to cooling mode. The temperature should be set below the home’s current temperature to trigger the air conditioner to start up. On programmable models, make sure the hold or vacation mode has not been activated, pausing your active settings.

Check the Power

Lack of power is likely the most common reason for an air conditioner not turning on. Before you call an HVAC professional, make sure to your A/C has power running to it.

Check the exterior unit to ensure it is plugged in, and the exterior switch near the condenser should be set to ‘on’.

Go to your home’s electrical panel. Ensure the breakers powering the air conditioner’s condenser and air handler are not tripped and are functioning correctly.

Check the Air Filter

When is the last time you replaced your air filter? A clogged air filter could prevent the cooling system from starting. Impacted air filters limit airflow through the system causing the system to work harder and longer than it needs to. This often causes the system to overheat and it may trigger the system to shut down in order to protect itself from damage.

Replace your dirty air filter with a new one, or give your reusable filter a good cleaning. Insert the filter properly, and give your system some time to cool down if it just recently stopped coming on.

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