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Air Conditioning FAQs
Common Questions About Air Conditioning Systems
Find answers to frequently asked questions about air conditioning systems, maintenance, and cooling efficiency. Our cooling experts are here to help with any additional questions.
Why isn't my AC cooling properly?
Common causes include
Dirty/clogged air filters
Low refrigerant levels
Thermostat issues
Blocked outdoor unit
Frozen evaporator coil
Ductwork problems
Professional diagnosis recommended for accurate solution.
How often should I change my AC filter?
Recommended schedule
Basic 1-inch filters: Every 1-3 months
Pleated filters: Every 3-4 months
High-efficiency filters: Every 6-12 months
Check monthly and replace when visibly dirty.
Why is my AC making strange noises?
Different sounds indicate various issues
Squealing: Belt issues or motor problems
Banging: Loose/broken components
Clicking: Electrical issues or thermostat
Buzzing: Loose parts or electrical problems
Hissing: Possible refrigerant leak
What temperature should I set my AC?
Energy-efficient summer settings
When home: 75-78°F
When away: 80-82°F
Overnight: 75-77°F
Each degree higher saves approximately 3-5% on cooling costs.
Why is there ice on my AC unit?
Ice formation usually indicates
Restricted airflow
Dirty air filter Low refrigerant
Blocked return air
Malfunctioning blower
Turn off system and contact professional for inspection.
How long should my AC system last?
Average lifespans
Central AC: 12-15 years
Heat Pumps: 10-15 years
Mini-Split Systems: 15-20 years
Regular maintenance extends system life.
Why is my electric bill so high in summer?
Common causes include
Inefficient operation
Improper maintenance
Aging system
Ductwork leaks
Poor insulation
Incorrect thermostat settings
How often should AC be serviced?
Maintenance recommendations
Annual professional tune-up (spring)
Monthly filter checks
Regular coil cleaning
Bi-annual comprehensive service
Why does my AC run constantly?
Possible reasons include
Undersized system
Dirty filters/coils
Low refrigerant
Thermostat issues
Poor insulation
Extreme outdoor temperatures
What's the SEER rating and why is it important?
SEER (Seasonal Energy Efficiency Ratio)
Measures cooling efficiency
Higher numbers = better efficiency
Minimum 13-14 SEER for new units Higher
SEER means lower operating costs
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At Sonnyreena Mechanical LLC,
we believe exceptional service isn't complete without complete peace of mind. That's why we back every job—installation, repair, or maintenance—with our comprehensive, customer-focused guarantee. If you encounter any issues or feel our work doesn't meet your expectations, our family-oriented team promises to address it swiftly and thoroughly, at no additional cost. Our guarantee isn't just a policy; it reflects our unwavering commitment to quality, reliability, and customer satisfaction, ensuring your comfort and trust every time.
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Sonnyreena Mechanical proudly serves Dallas, Fort Worth, Arlington, Plano, Irving, Garland, Frisco, McKinney, Denton, Grand Prairie, and surrounding communities.
We're not putting on airs - our work is guaranteed to satisfy.
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