Mary Help of Christians College
Client: Phoenix Constructions

Project Overview / Description
Millair Climate Control & Electrical Pty Ltd recently completed a full HVAC installation at Mary Help of Christians College in Townsville for a major local builder.
This project required the delivery of a high-performance, energy-efficient air conditioning solution across multiple buildings and learning spaces. Our team supplied, installed, and commissioned a comprehensive Mitsubishi Electric City Multi VRF system, tailored to meet the specific needs of the educational environment.
Scope of Works
- Complete HVAC installation using Mitsubishi Electric equipment
- Integration of fresh air systems with Lossnay energy recovery ventilation
- Multiple indoor units installed including:
- High static ducted systems (ranging from 5.6 kW to 28.0 kW)
- Four-way ceiling cassettes (2.2 kW to 11.2 kW)
- Wall-mounted units and remote-controlled zones
- External units comprised of multiple PUHY and PUMY VRF heat pumps
- Over 60 control points across the site with wired controllers and sensors
- Supply and installation of all associated branch pipe kits and twinning kits
Project Features
- Mitsubishi Electric City Multi VRF Series (R410A refrigerant) Indoor units: PEFY, PLFY, PKFY models across various capacities Outdoor units: PUHY-P250 to PUHY-P450, and PUMY series systems Lossnay LGH-150RVXT-E fresh air unit Controllers: PAR-41MAAM and associated accessories