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The Right HVAC Unit for Your Home

A couple of months ago, the HVAC unit in my home started malfunctioning. The temperature inside my home soared to over eighty degrees Fahrenheit, even though my air conditioning system ran nonstop. After inspecting my air conditioning unit, my knowledgeable HVAC contractor recommended I purchase a new system. He discussed the pros and cons of installing different sizes of HVAC units with me. After considering my HVAC contractor’s advice, I decided to purchase a three and a half ton HVAC unit. Shortly after my HVAC contractor installed my new air conditioning unit, my house started feeling more comfortable. On this blog, I hope you will discover how an HVAC contractor can help you select the right air conditioning unit for your home. Enjoy!


The Right HVAC Unit for Your Home

An Overview Of Three Common Cooling Issues

by Jamie Shaw

The main air conditioner (AC) job is to cool and make your home comfortable. Thus, you have a problem in the house if your AC is not cooling as efficiently as it should. Below is an overview of AC cooling issues.

1. AC Runs but Doesn't Cool

An AC running but not cooling the house means the AC is not cooling the house or the cool air is not circulating. The AC might not cool the air if:

  • It's low on a refrigerant that it needs to absorb the heat and dump it outside
  • Dirt and debris clog the AC coils and interfere with heat exchange, so the air remains warm
  • You have the wrong temperature setting on the thermostat

If the AC is cooling but cool air is not circulating, then the cool air is probably leaking somewhere. For example, a damaged supply duct might leak air and leave your house warm even with the AC running.

2. AC Takes too Long to Cool

There are also cases where the AC might take too long to cool your house. Such a scenario mostly likely means the AC is working but not as efficiently as it should. It might also mean you are losing some cool air.

For example, a clogged air filter might restrict airflow to the AC. Restricted airflow will starve your house of cool air, forcing the AC to run for a long time before the house can cool. In addition, gaps in the building envelope may leak cool air into the house, which the AC has to replenish. The more conditioned air you lose, the longer it might take to cool the house.

3. AC Cools the House Unevenly

Lastly, you may also have a problem where some parts of the house are cooler than others. Such a scenario can arise if some house parts don't get conditioned air. For example, blocked registers and leaking ducts can starve some parts of the house with conditioned air.

The problem can also arise if the AC is too small for the house or the AC's design doesn't match the house's cooling needs. Consider an undersized AC in a two-story house. The upper story rooms might not get adequate cool air, leaving it warmer than the lower parts of the house.

Regular AC maintenance can prevent many AC cooling issues. You also need to use the AC as per the manufacturer's recommendations. For more information on air conditioning repair, contact a professional near you.