Wall Mounted Air Conditioning Units: Repair vs Replacement
Wall mounted air conditioning units remain one of the most popular cooling solutions for homes and businesses across Oxford. They are compact, efficient, reliable and suitable for a wide range of room sizes, which makes them ideal for both domestic and commercial environments. However, like any mechanical system, they eventually develop issues. When this happens, the biggest question property owners face is whether repairing the system is the best option or whether replacement offers better long-term value.
This comprehensive guide outlines everything you need to know about wall mounted air conditioning units, including signs of failure, repair costs, replacement considerations, long-term efficiency benefits and the typical wall mounted aircon price in the UK. With clear comparisons and practical advice, you will be able to make an informed decision about the most cost-effective and efficient solution for your property.
How Wall Mounted Air Conditioning Units Work
A wall mounted air conditioning unit is part of a split system consisting of:
These systems are known for their reliability and energy efficiency. They operate by drawing in warm air, cooling it through the refrigerant cycle and then delivering it back into the room. At the same time, heat is expelled outside via the outdoor unit.
Understanding how the system works helps determine whether repair or replacement is needed when performance issues arise.
Common Problems with Wall Mounted Air Conditioning Units
Most wall mounted systems can last 10 to 15 years with regular servicing, but several common issues may appear over time:
1. Reduced Cooling Output
This is usually caused by:
2. Strange Noises or Vibrations
This may indicate:
3. Leaking or Dripping Water
Often linked to:
4. Bad Smells or Damp Odours
This can happen due to:
5. High Energy Bills
A sign your unit is no longer operating efficiently or is failing internally.
When these issues appear, the question becomes: repair or replace?
When Repair Is the Best Option
Repair can be a cost-effective solution when the unit is still within its expected lifespan and the fault is minor. In many cases, professional servicing restores the system quickly and economically.
You should consider repairing your unit if:
Common low-cost repair solutions include:
Typical Repair Costs in Oxford
Costs vary depending on the issue, but average repair costs include:
Repair is usually the best option when the unit is still relatively modern and has no major structural failure.
When Replacement Is the Best Option
Although repairing can be affordable, there are situations where replacing your wall mounted air conditioning unit offers much better long-term value.
You should consider replacement if:
Benefits of Replacing a Wall Mounted Unit
Typical Replacement Costs in the UK
The wall mounted aircon price varies depending on the model and specification. Typical prices include:
Compared to repeated repairs, a new unit often provides better long-term value.
Repair vs Replacement: A Side-by-Side Comparison
| Factor | Repair | Replacement |
| Cost | Usually lower | Higher upfront |
| Lifespan | Short-term extension | New 10–15 year lifespan |
| Efficiency | Restores some efficiency | Significant improvement |
| Noise | May reduce | Much quieter overall |
| Reliability | Depends on age | High reliability |
| Running costs | May remain high | Lower ongoing bills |
| Suitable for | Minor to moderate faults | Aged or failing systems |
How to Decide Between Repair and Replacement
To make the right decision, consider the following:
1. Age of the System
If your unit is over 12 years old, replacement is often more cost-effective.
2. Frequency of Breakdowns
If you are calling an engineer multiple times a year, a new system is more reliable.
3. Energy Efficiency
Older systems consume more power. New units use up to 30% less energy.
4. Cost Comparison
If repair costs exceed 40% of the wall mounted aircon price for a new unit, replacement is the better choice.
5. Availability of Spare Parts
Older models may have discontinued parts, making repair impractical.
Professional Assessment from TRS Cooling
TRS Cooling provides complete inspections to determine whether your system is worth repairing. Their engineers will carry out:
This ensures you receive an honest, transparent recommendation based on the condition of your unit.
How TRS Cooling Supports You
TRS Cooling provides a full range of services for wall mounted air conditioning units, including:
Installation Services
Expert installation of new wall mounted systems across Oxford.
Repair Services
Fast, efficient repairs for all makes and models.
Maintenance Services
Annual servicing to improve efficiency and reduce breakdowns.
Energy Efficiency Improvements
Upgrades to modern units with lower running costs.
Transparent Pricing
Clear quotations with no hidden fees.
