Essential Air Conditioning Maintenance for Peak Performance
Industry data reveals that properly maintained air conditioning systems operate at 95% of their original efficiency rating for up to 15 years, while neglected units can lose up to 5% efficiency annually. This efficiency loss translates directly into higher energy bills and decreased comfort levels. We’ve developed our maintenance protocols based on manufacturer specifications and four decades of field experience, ensuring your system receives exactly what it needs to perform optimally year after year.
Understanding Your AC System’s Critical Components
Your air conditioning system contains numerous interconnected components that must work in harmony to deliver efficient cooling. The compressor, often called the heart of your system, pumps refrigerant through the cooling cycle at pressures exceeding 400 PSI. This high-pressure refrigerant travels through copper lines to the condenser coil, where heat absorbed from your home dissipates into the outdoor air. Meanwhile, the evaporator coil inside your air handler removes heat and humidity from indoor air, with typical residential systems processing 400 cubic feet of air per minute per ton of cooling capacity.
During our maintenance visits, we inspect and service each component methodically. The air filter, which many homeowners overlook, plays a crucial role in system efficiency and indoor air quality. A clogged filter restricts airflow, forcing your system to work harder and potentially causing the evaporator coil to freeze. We check refrigerant levels using precision gauges, as even a 10% refrigerant loss can reduce cooling efficiency by 20%. Electrical connections receive thorough inspection since loose connections cause approximately 85% of HVAC electrical failures.
Our Comprehensive Maintenance Process
When our Trust Certified technicians arrive at your property in the greater St. George area, we follow a detailed 21-point inspection checklist developed through our 40 years of experience serving the community. Opening up the shop over 40 years ago, S&S Mechanical started as a small operation and quickly grew through referrals from happy customers eager to tell their friends and family about their experiences. Our maintenance process begins with a complete system evaluation, including temperature differential measurements across the evaporator coil, amperage draw testing on motors and compressors, and static pressure readings to assess ductwork performance.
- Cleaning and inspection procedures: We thoroughly clean condenser coils using specialized coil cleaning solutions that remove dirt and debris without damaging delicate aluminum fins
- Lubrication and adjustment tasks: All moving parts receive proper lubrication with manufacturer-specified lubricants, while belt tension and pulley alignment undergo precise adjustment
- Safety and performance testing: We verify proper operation of all safety controls, test capacitor microfarad ratings, and confirm thermostat calibration accuracy
Maximizing Energy Efficiency Through Preventive Care
Energy efficiency remains a primary concern for homeowners facing rising utility costs. Air conditioning typically accounts for 70% of summer electricity bills in hot climates, making system efficiency crucial for budget management. Our maintenance services focus on optimizing every aspect of system performance. We calibrate thermostats to ensure accurate temperature control, as a thermostat reading just two degrees off can increase cooling costs by 20%. Ductwork inspection identifies leaks that waste cooled air, with the average home losing 20-30% of conditioned air through duct leaks.
We also educate customers about simple efficiency improvements between maintenance visits. Setting thermostats to 78 degrees when home and 85 degrees when away provides optimal comfort while minimizing energy consumption. Ceiling fans create a wind-chill effect allowing thermostat settings four degrees higher without sacrificing comfort. Our normal business hours are Monday through Friday 7am – 6pm, but we are also available on-call for emergencies when unexpected issues arise despite regular maintenance.
Preventing Costly Breakdowns and Extending System Life
Preventive maintenance dramatically reduces the likelihood of system failures during peak cooling season. Statistics show that 75% of no-cooling service calls result from issues preventable through regular maintenance. By identifying worn components before failure, we help customers avoid emergency repair costs and uncomfortable days without cooling. Our experienced technicians recognize early warning signs like unusual compressor cycling patterns, abnormal operating pressures, and deteriorating electrical components that untrained eyes might miss. This expertise comes from our commitment to only employing technicians with at least four years of field experience, ensuring every maintenance visit provides maximum value and system protection.








