Hi Tim, Don mind can i get a quote for latest Mit Starmex EF series sys 4? 1x MXY-3A28VA outdoor unit 3x MSY-EF10VAB/W/S (Bedrooms) 1x MSY-EF13VAB/W/S or MSY-EF18VAB/W/S (Living Room) Whats your standard materials used for installation? How many trip installation? Thanks alot! Alex