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Why Your AC Loses Performance After Heavy Use

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Back in early June, your air conditioner may have had no trouble keeping the house at 72 degrees. By late August, however, that same system can seem far less capable. It may stay on for longer periods, the air blowing from the registers may feel warmer than before, and indoor temperatures can remain several degrees above the thermostat setting during the hottest afternoon hours. The system may not have suffered a sudden or obvious breakdown. Instead, its performance has slowly declined after weeks of demanding operation.  TexAire Heating & Air Conditioning  regularly sees this pattern in Lewisville once a North Texas summer has kept cooling equipment running hard for an extended period. Air conditioners in this part of Texas work under demanding conditions. Lewisville can experience close to three months of afternoon temperatures in the upper 90s, while nighttime lows often remain in the mid 70s or warmer. From June through September, many cooling systems operate for a lar...
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Why Your Energy Bill Soars During Late Summer

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The August electric bill can be enough to make a homeowner look twice. Nothing inside the home seems different, the thermostat may have stayed at the same temperature since May, but the amount due is suddenly higher than July and significantly above what appeared on the June statement. It is easy to assume the air conditioner is solely responsible, and in certain situations, it may be part of the problem. However, a higher late-summer bill is usually caused by several factors occurring within the same 30-day period.  Jurnee Mechanical Heating & Air Conditioning  hears this concern regularly from Hutto homeowners when late-summer utility statements begin arriving. Three separate factors typically contribute to the increase, and each can affect the bill independently. Hot weather forces the cooling system to operate for more hours. Months of continuous use can gradually reduce HVAC efficiency, causing the system to provide less cooling during each hour it runs. Electricity...
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AC Freezing Up in Summer? Here’s What Could Be Wrong

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When temperatures are near 98 degrees in Manor, ice on an air conditioner can seem completely out of place. Yet a cooling system can freeze even on one of the hottest days of the year. Frost may begin appearing on the larger copper refrigerant line, the evaporator coil inside the home may become covered with ice, and airflow from the vents can gradually weaken until very little conditioned air is reaching the rooms. The AC may continue running through all of this while the house becomes warmer.    ATX Heating & Air Conditioning LLC  sees this problem throughout Manor during summer, and the cause is usually an internal operating condition rather than the outdoor temperature. The evaporator coil is naturally cold whenever the air conditioner is running. Refrigerant travels through this coil, absorbs heat from indoor air, and evaporates as part of the cooling process. During normal operation, the evaporator surface generally remains in the mid-40s. That temperature range...
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