Integral Vacuum Systems IVS Christchurch NZ – website design and development with a red and blue colour theme colour symbolizing clean and fresh as well as high quality in house vacuum systems and the cleanliness that this vac system creates in terms of the feeling in your home. Much like DVS. Based in CHC, Christchurch Canterbury. This is WordPress website design is trying to show you it’s not all about who has the biggest vac system, this in home vacuum system demonstrates ease of use and superior result all designed for you to enjoy and relax.