Common Causes of Air Conditioner Inefficiency
Thursday, September 25th 2025, 8:05 PM

AC experts in Thibodaux, LA, explain how regular air conditioner maintenance can reduce cooling costs.

Thibodaux, United States - September 25, 2025 / Tiger Temperature /

Why Are Cooling Costs Higher Than Usual?

An air conditioner that struggles to cool can send energy costs soaring and comfort plummeting. Many issues are solvable once the root cause is identified, especially in warm, humid areas like Thibodaux, LA, where systems often operate at full capacity. The sections below highlight the most common causes of poor performance and outline practical AC maintenance steps to restore efficiency.

Dirty Air Filter or Lack of Maintenance

filter A clogged air filter restricts airflow, forcing the system to run longer to achieve target temperatures. When an AC filter becomes clogged with dust and debris, its cooling capacity and air movement decrease, which can result in hot and cold spots and extended run times. Regular air filter replacement—or AC filter replacement, if the system uses a specialized filter—helps maintain proper airflow and protects vital components from unnecessary strain.

Consistent air conditioner maintenance is equally important. Without routine AC maintenance, dust and grime can accumulate on coils, drain lines may clog, and moving parts can wear prematurely. Professional air conditioner maintenance typically includes cleaning evaporator and condenser coils, verifying refrigerant charge, tightening electrical connections, lubricating moving parts, and confirming thermostat calibration. These steps help maintain stable performance while reducing the risk of mid-season breakdowns.

In homes and small businesses across Thibodaux, LA, a reliable maintenance schedule prevents airflow restrictions from escalating. Establishing a simple reminder for air filter replacement and seasonal inspections can go a long way toward improving comfort and reducing cooling costs.

Dirty Coils or Low Refrigerant

hvac Dirty coils or low refrigerant are among the most common issues behind rising bills and declining comfort. Evaporator and condenser coils naturally collect dust and outdoor debris. When that layer builds up, heat transfer suffers, the system runs longer, and indoor temperatures can fluctuate. Routine cleaning is essential for efficient operation.

A refrigerant leak presents a different—but equally serious—challenge. Low refrigerant can cause longer cooling cycles, reduced cooling capacity, and even coil icing. Signs that suggest a potential leak include hissing sounds from the line set or service valves, warm supply air despite prolonged operation, or visible frost on the evaporator coil. Because refrigerant must be managed carefully and precisely, leak detection and repair are tasks for a licensed professional.

Restoring correct refrigerant levels after fixing a refrigerant leak and thoroughly cleaning coils can help the system transfer heat effectively again. This combination often resolves persistent inefficiency, short-cycling, and comfort complaints that tend to surface during peak summer heat in Lafourche Parish.

Ductwork Problems

Air moves through a network of air ducts that distribute cooled air to each room. When ductwork has leaks, gaps, or disconnected joints, conditioned air can escape into attics, crawl spaces, or wall cavities. The result is higher run times, uneven temperatures, drafts, and a system that appears underpowered. Dirty or crushed runs can further restrict airflow and increase static pressure, stressing fans and compressors.

In older properties or buildings with recent renovations, ductwork problems can be more pronounced due to shifting structures or makeshift connections. Signs pointing to air ducts in need of attention include rooms that never reach the set temperature, noticeable dust accumulation, or whistling sounds near registers. Professional inspection can reveal hidden issues such as kinked flexible ducts, missing insulation in hot attic spaces, or poorly sealed plenums.

Corrective steps typically include sealing joints with mastic or approved foil tape, reattaching loose sections, removing obstructions, and adding insulation where needed. Addressing ductwork concerns not only improves airflow and reduces energy waste but also helps stabilize humidity control—especially valuable during the long, humid cooling season typical of Thibodaux, LA.

Regular AC maintenance also supports ductwork performance. Verifying proper system airflow, static pressure, and supply/return balance during tune-ups helps ensure the duct system and equipment work together efficiently.

A straightforward plan—clean filters, scheduled air conditioner maintenance, coil cleaning, prompt attention to any refrigerant leak, and periodic evaluation of air ducts—usually resolves most efficiency problems. When combined, these steps help stabilize indoor temperatures, reduce strain on components, and keep cooling costs predictable.

About Tiger Temperature

Tiger Temperature is a leading HVAC company providing fast, accurate solutions in Thibodaux and the neighboring areas. They offer honest and upfront pricing, expertly-trained technicians, and 24/7 emergency service. Call them today for Air Conditioning Repair and Maintenance in Thibodaux, LA.

Contact Information:

Tiger Temperature

201 Cedar Tree Drive
Thibodaux, LA 70301
United States

Alysa Hebert
(985) 492-7295
https://www.tigertemperature.com/

About

Straightforward and honest service has always been our policy. That includes the way we price our services to the recommendations we provide to our customers. When you work with us, you’ll always receive the full price quote before we begin any work.

Contact

Alysa Hebert
Tiger Temperature

201 Cedar Tree Drive
Thibodaux, LA, 70301, United States

Phone (985) 492-7295

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