I got mine installed by the dealer located just north on the ring road from the Big C overpass intersection.. It's a relatively new place on your right about 600 meters north of the intersection. They did a very professional job installing the internal/external elements of the split pack to include proper insulation on the refrigerant lines and full covered panduit inside and out. The company has a full line of various brand name products.

It may be useful for others to list contact details, price etc. on this thread. Cheers,