Commercial AC repair guides
Warning signs, breakdown diagnostics and when to repair vs replace.
Key facts
- Most breakdowns give 2–6 weeks of warning signs.
- Repair-vs-replace tipping point: 40% of replacement cost on a >10-year system.
- AccuTemp responds to contract breakdowns within 4 hours in the West Midlands.
Most commercial AC failures announce themselves days or weeks before shutdown: weak airflow, ice on the coil, unusual noises, spikes in energy consumption, or refrigerant top-ups appearing on service reports. Acting early keeps a £400 refrigerant repair from turning into a £4,000 compressor swap. These guides cover diagnostic patterns and repair-versus-replace economics.
Guides in repairs
Common questions about repairs
- What are the warning signs my commercial AC needs repair?
- Reduced cooling capacity, visible refrigerant staining, water leaks from the indoor unit, tripped breakers, or a rising kWh trend on your energy bill are the top five indicators.
- Repair or replace: when does replacement make more sense?
- If the system is over 10 years old and a single repair exceeds 40% of replacement cost, replace. If it's under 8 years and on Daikin/Mitsubishi kit, repair.
- How quickly can AccuTemp respond to a breakdown?
- Within 4 hours for contract customers in the West Midlands, next working day nationwide.
Need help applying this to your building? Talk to an AccuTemp specialist.
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