Hi Tim, Gd morning. I would like to get a quote for the following: 1. Mit Sys 3 Inverter (MSY-GE 13VA x 1 + MSY-GE10VA x 2) 2. Additionally, I need to add a huge or 2 sys in the living room. 3. Since its a resale property, there are existing aircons there are 10 years old, I'd like to change the pipe and insulation. Most importantly, do feel free to recommend me a brand that would last Thanks! Joerg