Air conditioning and supporting systems installed aboard a new 2018 Lagoon 380. This is a new boat that came from the factory without air conditioning, or any supporting systems. We installed 3 Dometic self-contained air conditioning units with reverse cycle heat. Due to space constraints, a DTU16 and two DTU8’s were spec’d. The 16k BTU unit services the salon area, and the two 8k BTU units service cabins in each hull, with additional ducting to heads and other cabin spaces. Optional Dometic QHT digital displays and return/supply air grills were used to match other Lagoon factory installations. The system employs one 1000 gph pump in one hull to service two units, and another 500 gph pump in the other hull to service the third unit. Large Groco sea water strainers were installed to minimize strainer servicing in the summer months. High quality Groco thru-hulls, ball valves, and full-flow hose barbs were also installed. An additional 30 amp 125 volt shore power circuit was installed to handle the additional electrical load. Venturi condensate removal systems were used on all three units. Additional sound insulation and vibration isolation was also installed. The system doesn’t struggle to cool the boat, even in the Texas Heat!