From my experience dealing with air conditioning insulation challenges here in Singapore, I can attest that proper insulation and maintenance are critical to preventing condensation issues and improving aircon efficiency. One important aspect is ensuring that all pipes, including water pipes, are fully and uniformly insulated. Partial insulation or too-tight trunking can cause pipes to sweat due to trapped moisture, leading to dripping and mold problems. I found that opting for a "box up" solution, where pipes are boxed with enough space inside so that the insulation is not compressed, significantly helps in reducing condensation. Tight spaces crammed with several pipes and wires cause insulation to fail, so maintaining adequate clearance is key. Beyond insulation, regular servicing is essential. Servicing at least three times a year can help identify issues early on and keep the system clean and functional, preventing buildup that contributes to condensation. When selecting a service provider, it's crucial to choose one that guarantees workmanship quality, as poor-quality installation or service can worsen the problem. I also advise monitoring your air conditioner's components during servicing, especially the pipes and trunking, to ensure they haven't developed wear or gaps that promote sweating. Given Singapore's humid climate, addressing these insulation and maintenance practices is crucial to keeping your aircon dry and efficient. If you are facing condensation issues or unsure about your current insulation, consulting with professionals who specialize in aircon insulation services can save you from costly repairs later on. They can recommend customized solutions based on your aircon setup and ensure the insulation is done properly to withstand the humid environment.