Rooftop ntim tshuab cua txias txais kev lag luam-ua R410A scroll compressor nrog kev ua haujlwm ruaj khov, chav tsev pob tuaj yeem siv rau ntau qhov chaw, xws li kev tsheb ciav hlau, kev lag luam, thiab lwm yam. yam tsawg kawg hauv tsev suab nrov thiab tus nqi qis installation.