Field Notes & Case Studies

The Coolbest Aircon Blog.

Seasonal readiness, real Singapore case studies, and the lessons we've learned since 2005.

Outdoor aircon condenser units on an HDB external wall with rain clouds gathering above — pre-monsoon Singapore

Seasonal Tips 8 April 2026

2026 Pre-Monsoon Aircon Readiness Checklist for Singapore Homes

From May through November, Singapore aircons are pushed harder than the rest of the year. Catch the seven faults we see most often before the first heavy storm.

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Coolbest technician dismantling a fan coil in a small Jurong West office during a chemical overhaul

Case Studies 12 March 2026

Case Study: 4-Unit Office Chemical Overhaul in Jurong West

The tenant was about to spend S$3,500 replacing four fan coils. A chemical overhaul on three of them — and a single capacitor on the fourth — restored cooling for under S$700.

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