Summer in New Britain puts your air conditioning system to the test. When it is running well, it is easy to take for granted. When something goes wrong, you want to understand what you are dealing with. Here are the most common issues our technicians see during peak cooling season.
Common Air Conditioning Repair Issues During Peak Summer
Refrigerant Leak
Refrigerant is what makes your AC actually cool your home. It absorbs heat from inside and releases it outside through the condenser unit. When refrigerant is low, the system cannot absorb enough heat — your home stays warm, and the compressor works overtime. You may hear a high-pitched hissing from a significant leak, or you may simply notice the system is not cooling as effectively as it should. Refrigerant requires professional handling — shut the system off and call for service if you suspect a leak.
Thermostat Issues
Your thermostat tells your cooling system when to run. Dead batteries are the most common and overlooked cause of thermostat problems — check the low battery indicator and replace batteries promptly. If batteries are fine, a loose wire or corroded contact may be the issue. Thermostats typically last around 10 years; if yours is near or past that age and giving you trouble, replacement is worth considering.
Tripped Circuit Breaker
Summer thunderstorms can cause power fluctuations that trip your circuit breaker. This is a safety mechanism protecting your home. If your AC stops working after a storm, check the electrical panel before calling for service. Reset the breaker once; if it trips again, that points to an underlying problem that needs a technician.
Dirty Air Filter
A clogged air filter restricts airflow through the system. When your AC cannot pull enough air across the evaporator coil, the system has to run longer to cool your home — and eventually, the coil can freeze. Check your filter every few weeks during heavy-use months. If it is gray and packed with debris, replace it.
Frozen Evaporator Coil
The evaporator coil at your indoor air handler must have adequate airflow to function. When airflow is restricted — by a dirty filter, a blocked duct, or a dirty coil — the coil temperature drops below freezing and ice builds up. A refrigerant issue can also cause this. If you notice ice on your indoor unit or reduced airflow, shut the system off and let it thaw. Your technician will identify and correct the underlying cause.
Condensate Drain Backup
As your evaporator coil removes humidity from your home, the moisture drips into a drain pan and flows out through a drain line. That line can become blocked with algae, dirt, or debris over time. When it does, water backs up and eventually overflows the drain pan. A standing puddle near your air handler is a clear sign of this problem. Clearing the drain line is a routine service task.
Blower or Fan Assembly Problems
A loud banging or clanking from the outdoor condenser unit usually points to the fan assembly. If a fan blade is obstructed or off-balance, it creates significant noise and can damage other components. Shut the system off immediately and call for service — running a system with a damaged fan can cause additional harm.
Failing Compressor
The compressor is the heart of your cooling system. When it begins to fail, you may experience weak or uneven cooling, airflow problems, electrical issues, or a loud squealing noise from the outdoor unit. Compressor problems are among the more serious repairs — in older systems, the cost may tip the scales toward replacement rather than repair.
Capacitor Failure
The capacitor gives the compressor the burst of energy it needs to start each time your system kicks on. A failing capacitor may cause the outdoor unit to hum without starting, or you may smell something electrical near the unit. A completely failed capacitor means the system will not start at all. Capacitor replacement is a straightforward repair when caught early.
Blocked Supply Vents
If certain rooms are noticeably warmer than others, check whether furniture, rugs, or other items are blocking supply vents in those spaces. Blocked vents prevent conditioned air from reaching the room and can cause pressure imbalances throughout the duct system.
Total Comfort Solutions Is Ready to Help
Total Comfort Solutions Heating & Air Conditioning provides reliable cooling services for the New Britain community and the surrounding Bucks County area. Our technicians handle everything from routine AC repairs to full system replacements. Call us at (215) 323-5330 to schedule service.