Top Signs Your Air Conditioning System Needs Repair: A Guide for Homeowners in Hampshire
- clairejones52
- May 1
- 4 min read
As the warmer weather approaches, a properly functioning air conditioning system is crucial for keeping your home comfortable through the summer months. If your air conditioner runs into problems, it can lead to discomfort and costly repairs. This guide highlights the top signs you may need to bring in professional help for your AC system.
Common Signs Your AC Needs Attention
Unusual Noises
If you hear strange sounds coming from your AC unit, such as banging, clanking, or grinding noises, these are potentially serious red flags. Sounds such as these could indicate loose parts, a failing compressor, or even debris caught in the fan. Ignoring unusual noises could worsen the problem, leading to higher repair costs. If you notice any unsettling sounds, seek advice from your air conditioning engineer as soon as possible.
Weak Airflow
Has the airflow from your vents dwindled? If your air conditioning system struggles to push cool air, this could signal mechanical failure or issues with the ductwork, such as blockages. Dirty air filters are also a common issue that can reduce airflow. In fact, replacing a clogged filter can improve your system's efficiency by up to 15%. If changing the filters doesn’t fix the problem, it's time to consult an HVAC technician for a thorough check.
Unpleasant Odours
When you power up your AC, it should smell fresh. Unpleasant odours coming from your unit could suggest mould, mildew, or electrical issues. Mould in your air conditioner can have significant health implications ranging from mild symptoms to severe illness.
When mould develops in your air conditioner, tiny spores can be expelled through the vents.
These spores may settle on your skin or be easily inhaled, which can trigger various health issues from respiratory problems to eczema.
It isn't always easy to identify mould when it first starts growing in your air conditioner, but if you're smelling anything off, such as a musty odour, you should address it quickly. Schedule a professional repair to identify and eliminate the source of the problem before it impacts your health.
Ensuring your air conditioning system is well maintained and regularly serviced will reduce the chance of bacteria growth and help to eliminate any mould spores before they have a chance to grow.
Inefficient Cooling
Does it feel like your AC isn't cooling your home as effectively as it used to? If your AC unit is not blowing cold air, it could indicate a problem. Common reasons why an air conditioner isn't cooling properly can include:
A blocked air filter
Refrigerant leak
Clogged or blocked condenser coil
Electrical problem
Thermostat issue
It is always best to call out your air conditioning engineer if your AC system isn't cooling properly. They can come out and inspect your system to diagnose the problem and tell you exactly what needs to be done to fix it.
Frequent Cycling
Short cycling occurs when your air conditioning system turns on and off too often. This can be due to dirty filters, incorrect thermostat placement, or refrigerant issues.
Frequent cycling puts stress on your unit and also raises energy bills. Studies show that units that short cycle can consume up to 30% more energy than those that run smoothly. If you notice short cycling, it is best to get a professional evaluation to explore possible solutions, as fixing these issues can lead to savings on your energy bills.
Leaking Water
Water dripping or pooling around your AC unit can indicate a potentially serious issue. If left untreated, it may not just damage the air conditioner but its surroundings as well. Air conditioning systems should remove any moisture effectively, but leaks can point to blockages in the drain line or refrigerant leaks.
Failing to address a leak can result in mould growth and in some cases, structural issues in your home, which can be costly to repair. Moisture in the system could also damage your air conditioner’s electrics and wiring making it potentially unsafe. Always get a professional to investigate a leak promptly, as it could save you from extensive damage and costly repairs.
Thermostat Issues
Sometimes the problem lies not with your air conditioning unit but the thermostat itself. If your AC fails to respond to temperature changes, the thermostat may need recalibration or replacement.
Testing your thermostat is an easy first step. If it is malfunctioning, adjusting it could correct any cooling issues. If the problem persists, consider a replacement, which can significantly improve your AC performance.
Age of the Unit
In our increasingly hot summers, the reliability of your air conditioning unit is vital. Most AC systems last about 10 to 20 years. If yours is nearing or has surpassed this lifespan, it could be less efficient and more prone to breakdowns.
Even if it appears to be functioning well, an aging unit might contribute to higher energy costs than newer, more efficient models. Regular maintenance and servicing can help prolong your system’s life, but if it's failing, it might be time to consider a replacement.
Keeping Your Home Cool This Summer with Celcius
Being proactive about your air conditioning system can save you discomfort and unexpected costs. If you notice any of the signs discussed, don’t delay in reaching out to an expert HVAC professional.
At Celcius, we specialize in a wide array of air conditioning and other HVAC services designed to meet the diverse needs of our clients. With a strong focus on customer satisfaction and quality, Celcius offers over 25 years of experience within the HVAC industry making us the trusted choice for all your professional needs. We provide installation, routine servicing and maintenance, and breakdown repair for both domestic and commercial customers in Hampshire and surrounding areas.
Air Conditioning Near Me, Hampshire
If your air conditioning system is showing signs of needing repair, call Celcius Ltd for a reliable and convenient service. Early intervention can prevent minor issues from developing into significant repair needs. By combining expertise with cutting-edge technology, Celcius is committed to delivering exceptional value and support to our customers.
To schedule a repair or check up for your air conditioning system, call our friendly team on 02381 112213 or visit us on our website for more details.
Stay cool this summer, and make sure your air conditioning system is ready to handle the heat with efficiency and reliability!

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