While today’s central air conditioners offer superior efficiency and reliability, a few common AC issues are still often responsible when problems occur. The average central air conditioner installed today can be expected to provide reliable cooling performance for 12 to 15 years or more with routine annual maintenance. Despite this long service life, however, certain shortfalls may recur that require extra attention. Here are three common A/C issues you may encounter along the way and how they are typically resolved.
No system parameter is more critical than adequate airflow. Declining efficiency, sub-standard cooling and increased wear and tear result when airflow falls below specs. Common causes include:
- Dirty air filter. The filter should be changed monthly during the cooling season. It’s an easy DIY task that takes just a few minutes. Ask your HVAC contractor to show you how if you don’t know.
- Closed or obstructed vents. If individual supply or return vents are shut or inadvertently blocked by furniture or other obstructions, system airflow suffers. Check all vents to verify they’re fully open.
- Leaking ducts. Residential ductwork is often leaky, typically losing 20% or more of airflow due to deteriorated joints and other issues. Ducts should be inspected and pressure-tested to determine extent of leakage. Sealing options are available to restore normal airflow.
Insufficient refrigerant circulating in the coils impacts A/C efficiency, cooling effectiveness and humidity extraction. Low refrigerant almost always indicates a small leak. A qualified HVAC technician using leak detection technology can repair the problem, then restore proper refrigerant level.
Both under-sized and over-sized air conditioners deliver poor performance, waste energy and often have shorter expected service life. Before selecting a new A/C, make sure the system accommodates the home’s cooling load. Conducted by a qualified HVAC technician, “sizing” involves a standardized survey to identify the unique thermal requirements of a house. Industry-standard software crunches this data to determine the exact A/C BTU capacity required for optimum cooling and lowest operating costs.
For professional advice and service to resolve common AC issues, contact Apollo Heating, Cooling, Electrical and Plumbing.
"Ernie & Mike did a superb job on my new furnace and A/C installation. Despite having more than a day’s work to do, they came in and stayed until the job was done. They were organized, efficient, and protected the rest of the house well. Got both furnace and A/C installed the same day. Ernie was courteous, informative, and clearly knew his job better than anyone I’ve encountered before. The units look so good guests now get The Tour of our new system. Apollo is clearly not a fly-by-night company. I would recommend them to anyone in need of a new furnace and/or A/C."
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"We scheduled an estimate AND a tune-up. We knew something was wrong with our furnace, but hoped we could make it through the rest of the season. Upon telling Bill what our furnace was doing, he warned us immediately what the possible outcome was going to be; a cracked heat exchanger. He watched the flames roll backward, tested carbon monoxide levels, which were so high they meter’s last reading was 5,600 before saying “high”. He immediately shut it down, tagged it, and explained that with levels that high and children in our home he wanted off right away. He continued his inspection and showed us via a camera that not only was it cracked in multiple places, but had holes all over it. He gave us a few options for repairing it; his knowledge as well as genuine concern was beneficial and refreshing. Luckily we also scheduled an estimator, Micah, to come too and we were able to get costs between repairing and replacing (with several options). We decided to replace with a much higher efficiency furnace and one sized properly to our home. Hands down, not only did they both provide us great service and knowledge, but without sounding dramatic, they may have saved our lives. This was our first time calling Apollo, but it won’t be our last."
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