• Blog
  • Air Conditioning Service

  • Blog
  • Air Conditioning Service

    Updated: March 22, 2024

    In recent years, with the rising temperatures experienced during the UK’s summer, it has become imperative to regularly maintain and service your air conditioning unit. This maintenance is crucial to avoid any unpleasant surprises during the summer months when efficient functioning of your unit is most needed.

    In recent years, with the rising temperatures experienced during the UK’s summer, it has become imperative to regularly maintain and service your air conditioning unit. This maintenance is crucial to avoid any unpleasant surprises during the summer months when efficient functioning of your unit is most needed.

    If you’re seeking domestic air conditioning Service & Repair in Cardiff, you’ve come to the right place. Let’s Heat is renowned for our exceptional service. It is recommended that domestic air conditioning systems undergo maintenance and servicing at least once a year to ensure optimal efficiency and functionality.

    During this annual service, your system will undergo a thorough inspection to detect and address any potential faults. Our prices are competitive and affordable, so don’t hesitate to reach out to us today to experience our quality service firsthand.

    Signs Your Air Conditioning System Needs Service

    The provided list outlines indications that your air conditioning system may require servicing. Each point identifies a potential issue impacting the performance of your AC unit. Let’s delve into each of these signs:

    A. Unusual noises or vibrations:

    Strange sounds like banging, rattling, squealing, or grinding could signal problems with internal components, such as a loose belt, damaged fan blades, or a malfunctioning compressor.

    B. Reduced cooling efficiency:

    If your air conditioner isn’t delivering the usual cooling level, it could stem from issues like a refrigerant leak, clogged air filters, or compressor malfunctions.

    C. Frequent cycling on and off:

    Repetitive or rapid cycling may result from various issues, including a faulty thermostat, low refrigerant levels, or problems with the condenser unit.

    D. Presence of strange odors:

    Unpleasant smells from your AC system may indicate mold or mildew growth in the ductwork, a burned-out wire, or other issues requiring attention.

    E. Increase in energy bills:

    A sudden rise in energy bills without increased usage could signify decreased efficiency in your air conditioning system. Possible causes include clogged filters, refrigerant leaks, or an inefficient compressor.

    If any of these signs are noticed, it’s advisable to have a professional HVAC technician inspect and service your air conditioning system. Regular maintenance can prevent such issues and ensure efficient operation, leading to long-term cost savings.

    Factors to consider when selecting a service provider

    Selecting a service provider is a crucial decision that can significantly impact the success of your business or personal needs. Here are some important factors to consider when evaluating and choosing a service provider:

    1. Reputation and Reviews:
      • Look for reviews, testimonials, and references from other clients.
      • Research the provider’s reputation in the industry.
    2. Experience and Expertise:
      • Assess the provider’s experience in the specific service or industry.
      • Consider the expertise of their team and their track record in delivering quality services.
    3. Service Offerings:
      • Ensure that the provider offers the specific services you need.
      • Evaluate the range and depth of services to meet your current and future requirements.

    By thoroughly evaluating these factors, you can make an informed decision when selecting a service provider that best fits your needs and goals

    Air Conditioning Service & Repair in the UK.

    Our team of air conditioning engineers can provide an excellent service when it comes to installation, servicing or repairing air conditioning units. We provide maintenance and repair services to everyone, even if we were not the ones who did the initial installation.

    We do our best to help our customers deal with the tiresome and stressful process of repairing an air conditioning system. With us, efficiency and speed are guaranteed. We aspire to provide the best repair and air conditioning services.

    What is Air Conditioning Maintenance?

    It’s advisable to promptly consult an air conditioning specialist if you notice any irregularities in the functioning of your air conditioning unit. An experienced engineer will assess your unit and diagnose any issues affecting its performance.

    Several factors can contribute to a decline in air conditioning system performance, including:

    • Leaks
    • Lack of maintenance
    • Blocked filters

    These issues can cause significant problems if left unaddressed, potentially leading to high repair costs.


    Leaks can occur unexpectedly and are among the most common issues encountered with air conditioning systems. These systems are particularly susceptible to leaks, especially when filters are obstructed. A decrease in performance often accompanies water leaks, eventually resulting in the inability of the unit to produce either cold or hot air. According to F-Gas regulations, air conditioning systems experiencing water leaks must be repaired by certified engineers holding a REFCOM certification number.

    Blocked Filters:

    While initially seemingly harmless, a blocked filter in an air conditioning system can lead to numerous issues if not rectified promptly. Beyond affecting the unit’s performance, failure to address this issue in time can result in escalated repair costs. Filters play a vital role in allowing your unit to function efficiently by facilitating airflow. When obstructed, the system compensates by working harder, potentially increasing energy consumption and decreasing effectiveness and efficiency. Additionally, accumulated dirt can spread to the coil or fan blade, causing further complications such as water leaks or system failure.

    What are the benefits of air conditioning maintenance?

    Ensuring your air conditioning unit is adequately maintained is vital in preventing complete system failure and the need for an inconvenient repair job further down the line. A few benefits of regular maintenance are as follows:

    If you want to prevent any issues from happening to your system or to prevent a complete failure, then marinating your system on a regular basis is crucial. Maintenance is vital to keep your system working in high efficiency. So here are some of the benefits of regular servicing:

    An Increase your unit’s lifespan 

    When you maintain your unit regularly, you will ensure a longer lifespan and life expectancy as well as avoiding too many repairs.

    Reduced in energy bills

    A regularly maintained air unit is more energy efficient. As a result, your energy bills will be enormously reduced. 

    Prevention large repairs 

    Regular service to your system can help the engineer identify a problem in its early stage and thus prevent more serious damage to your unit.

    What else do we offer?

    Duct installation in Cardiff

    The installation of a duct network on central air conditioning systems is a job for specialists. We can offer you a vast range of duct installation services for all types of air conditioners. We have a qualified team of engineers who work to the highest standards to ensure perfection in our work.

     Removal of Existing Systems

    Removal of air conditioning units is a delicate job which requires professional staff of engineers. Care and caution is needed while removing cassette units in order to prevent any loss of refrigerant and any damage to the compressor. Whether you need a cassette removal or to decommission an entire system, we can help. 

    Commercial air conditioning repairs in Cardiff

    On the other hand, commercial air conditioning systems should be checked and serviced at least twice a year. Commercial units are typically used more than domestic systems. So that is why they require more maintenance than domestic units.

    How can I unclog an AC coil?

    In order to clean your indoor evaporator coil, the contractor will most probably clear larger debris by hand or with a special brush, then follow up by applying a self-rinsing evaporator oil product. This product can clean the coil effectively and rinse off during the cooling process when the system is turned on.

    So if you need an emergency air conditioning repair at your place of business, then you have come to the right place. We offer 24-hour services in the UK. Your air conditioner will be fixed in no time.

    Having to deal with a faulty air conditioning system at work can be stressful to both the employees and the employer. Work productivity would decrease as a result. Not to mention that neglecting to repair your unit in time might lead to more serious problems such as water or gas leakage.

    So if you require an air conditioning repair at your workspace, make sure to get in touch. We can help you with whatever you are having difficulty with.

    About us  

    We provide a team of highly knowledgeable and experienced engineers who have the necessary skills to perform an outstanding job. We offer installation services, regular servicing and repairs. 

    A site survey can be made by our staff to suggest the most suitable solution for your business requirements and budget. We know how tiresome and confusing it is to go through all the details and information about air conditioning so that is why we are here to help.

    We offer a wide range of products to provide you with a tailored quote and service. We offer products from leading manufacturers, each of which would offer you different and unique features to suit what you specifically require.

    Our team of engineers are reliable and trustworthy. You can always count on us to provide you with an excellent service that will not let you down. Our team of experts work to the highest standards to ensure efficiency. We take the time to understand what our clients exactly require to help them on an individual basis.

    What are the most common problems with air conditioners?

    • Damaged Compressor.
    • A Frozen Evaporator Coil.
    • Capacitor Failure.
    • Thermostat Malfunctioning.
    • Water Leak (Inside your House)
    • Water Leak (Outside your House)
    • AC Refrigerant Leak.
    • Dirty Air Filter.

    What is the lifespan of an air conditioner?

    Although each unit is different, and every homeowner has a different understanding of when their central air conditioner is broken beyond repair, it can be said that, with regular maintenance and care, you can get a good 15 to 20 years of cooling from a new high efficiency air conditioning system.

    Air Conditioning Service & Repair FAQs

    Why is my air conditioner running but not cooling?

    If your air conditioner is running, but temperatures inside are not getting any lower, one issue might be a blocked or clogged condenser coil. When working correctly, the condenser fan draws air into the outdoor unit through the condenser coil to pull heat energy out of your home.

    What ARE the most common AC Repairs?

    1- Replacing air filters. 
    2- Replacing the thermostat. 
    3- Repairing the Defrost Control.
    4- Emptying the condensation drain. 
    5- Replacing the condenser Fan. 
    6- Replacing or fixing the compressor. 
    7- Cleaning the coils.
    8- Replacing capacitors. Capacitors help various motors in your air conditioner system to start and run as well.

    Is it worth the money to repair an air conditioner?

    It is recommended that you should replace your air conditioning unit every 10 to 15 years. So if your system is older than 8 years, it might not be worth fixing unless it is a simple and easy fix that would not cost you a lot of money. Easy fixed issues might include a clogged condenser unit or a worn fan belt.