Voltas 1.5 ton 5 star ac its very good ac accept outdoor coil it’s aluminum which leak after 2-3 yr if you buy copper coil then it’s best or when you buy ac qsk first what is it aluminum or copper because its price almost 7500 and above depends on brand.
And also ask ac installer to fit long size compressor pipe which is not damage your indoor.
Now talking about voltas 1.5 ton ac I have this since 5 years accept this outdoor problem its working very good and cooling is awesome.
Voltas service is not good they came after I called 3 -4 times or you want quick service then call you locals
If you want to buy ac then go for all whether voltas ac which is more featured.
Or I will recommend you carrier ac it’s little bit costly but good ac its not mean that voltas is not good this is too