Depending on the design and needs
of a building, Mitsubishi Electric Cooling & Heating VRF and
split systems have fewer components than other HVAC systems,
reducing initial equipment costs. Installation costs for VRF and
split systems are also smaller-fewer components mean less time
spent on installation, and lengths of small-diameter refrigerant
piping are easier to install than lengths of ductwork.
The components in Mitsubishi
Electric Cooling & Heating VRF and split system indoor and
outdoor units are robust (CITY MULTI systems have a life expectancy
of 15 to 20 years), and require significantly less maintenance than
other systems. Many other systems require retro-commissioning and
constant maintenance to preserve their installed efficiency, but
VRF technology has all the logic built in. VRF system performance
is constantly modified to maximize performance and comfort, and
changing the filters is the only required periodic maintenance.
Also, CITY MULTI W-Series (water source) models have lower
maintenance costs than water-cooled chillers because water
treatment issues are avoided.