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If it suddenly seems warm in your home when it should be pleasantly cool, there’s likely an HVAC issue to solve. While some of the reasons why the unit isn’t cooling fall into the DIY category, such as a dirty air filter, most require air conditioning repair services. Here’s a look at the most common causes of cooling problems to determine whether you need professional attention.

Why an AC Unit Blows Warm Air

1. Lack of Condenser & Evaporator Maintenance

Your air conditioner’s indoor evaporator coils remove heat from the air and sends it to the outdoor condenser coils for release. If either of these parts become dirty from dust, grass clippings, leaf debris, pollen, weed overgrowth, or similar issues, they can’t function properly, resulting in warm interior air. Keep both coil sets clean, which may require weeding around the condenser, to promote efficient heat trapping and release.

2. Incorrect Thermostat Setting

If your air conditioner is set to ‘On’ instead of ‘Auto,’ the fan runs whether the appliance is undergoing a cooling cycle or not. If the AC isn’t engaged in cooling activities, the air coming out of the unit feels warm. Simply switch the setting to ‘Auto’ to stop the fan from running unnecessarily.

3. Low Refrigerant Level

air conditioning repairRefrigerant flows through your air conditioner’s internal coils to send hot air to the condenser. Low refrigerant levels from a leak prevent the liquid from absorbing heat. 

Shut the system off and schedule air conditioning repair services to fix the leak immediately. Some types of refrigerant are toxic substances that can cause physical symptoms such as dizziness, nausea, vomiting, and chemical burns.

4. Failing Compressor

As the heart of the AC unit, the compressor maintains refrigerant pressure while helping it circulate throughout the system. It if sustains damage or has worn out from years of use, the air conditioner will no longer be able to efficiently extract hot indoor air and transfer it outdoors.

Get the part replaced or consider having a new air conditioner installed if your system is nearing its expiration date. Newer models are technologically advanced to keep utility bills lower and help the environment.

 

Trust your air conditioning repair services to Arc Electric Air Conditioning and Heating. The Wilder-based business has served northern Kentucky and the greater Cincinnati, OH, area for over 60 years, providing residential, commercial, and industrial solutions. Call (859) 441-7161 today to schedule a free estimate or learn more about their air conditioning repair services online

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