Hi

I bought a resale condo that is approx 7 years old.

Initially I plan to change the indoor units and outdoor condensers.

Another friend has suggested I change the copper pipes as well.

I've asked for quotes and opinions from 2 reputable aircon companies.

If I don't change the piping, it will be cheaper and faster to complete the renovation.

If I change the piping, not only does it delay the main contractor schedule, the whole false ceiling may need to be taken down (possibly also the water heater), if the pipes can't fit through properly. The aircon company will try to reduce the number of holes to open in the ceiling, and try their best to minimize disruption but cannot guarantee.

I'm in a dilemma. Aside from the costs, I'm afraid the piping works will mess up more with redoing the false ceiling, water heater (above toilet) and perhaps electrical wiring. However, I'm also afraid the existing copper piping is too old to last and if it leaks in the next 2 years, I'll have to redo the whole thing.

Usually how long does copper pipes last?

U may consider to do a pressure test to confirm the status of your piping before making a decision.

Concealed pipes or pipes above false ceiling are a hassle to replace after reno are done.