Introduction
As 2025 draws to a close, now is the perfect time to review your air conditioning systems. An end-of-year air conditioning maintenance checklist ensures your equipment is performing efficiently, prevents costly winter breakdowns, and helps you plan for a smooth start to 2026.
Whether in offices, schools, or commercial buildings, taking a proactive approach now saves time, money, and stress in the months ahead.
Why an End-of-Year Review Matters
Avoid costly winter breakdowns
Winter puts your air conditioning system under extra strain. Neglecting maintenance can lead to unexpected failures, uncomfortable work environments, and expensive emergency repairs.
Maintain efficiency and comfort
Even minor inefficiencies can increase energy consumption significantly. A thorough year-end review helps identify issues that may be driving up costs, ensuring a comfortable environment for all occupants.
Your Air Conditioning Maintenance Checklist
- Inspect filters, vents, and ductwork
Dirty filters and blocked vents restrict airflow and force your system to work harder. Clean or replace filters and check vents and ducting for blockages. - Check thermostats and controls
Ensure thermostats are accurate and responsive, and verify that scheduling or smart controls are functioning correctly. - Test heating and cooling performance
Run the system through both heating and cooling cycles to identify uneven temperatures, weak airflow, or unusual noises. - Review refrigerant levels and pressures
Low refrigerant or incorrect system pressures can reduce efficiency and potentially damage equipment over time. - Schedule professional maintenance
A qualified engineer can inspect electrical components, lubricate moving parts, and check for wear and tear — ensuring your system is ready for winter and the year ahead.
Planning Ahead for 2026
Preventative contracts and upgrades
End-of-year checks are also the perfect opportunity to consider maintenance contracts for 2026. Regular servicing keeps systems performing efficiently and helps plan any necessary upgrades.
Optimising energy efficiency for the year ahead
With energy costs continuing to rise, a well-maintained system reduces consumption and supports sustainability goals. Expert advice can also highlight opportunities for energy-saving improvements or low-carbon upgrades.
How Oxford Air Can Help
Oxford Air provides end-of-year reviews and tailored maintenance plans to keep air conditioning systems running smoothly. Our expert engineers offer:
- Comprehensive inspections following a proven air conditioning maintenance checklist
- Preventative maintenance to avoid downtime and costly repairs
- Recommendations for upgrades or energy-saving solutions
👉 Book your 2026 service plan review with Oxford Air’s maintenance team today.