Project Overview
We recently completed a high-performance Fujitsu VRF (Variable Refrigerant Flow) heat pump installation for a large home in the West End of downtown Portland, Maine. The homeowners wanted efficient heating and cooling for their second and third floors, while maintaining a clean, modern aesthetic with minimal exposed line sets.
After assessing the home’s size, layout, and line-set requirements, we determined that a VRF system was the ideal solution for delivering precise comfort to multiple zones.
System Design & Equipment
- Outdoor Unit: 60,000 BTU Fujitsu Unit
- Indoor Units:
- 3 Ceiling Cassettes
- 4 Slim-Duct Air Handlers
- Floor Units:
- Kitchen – 9K BTU (AGUA09TLAV2)
- Rear Living Room – 15K BTU with two supply registers & one return
- Office – 12K BTU with two supply registers & one return
- Foyer – 12K BTU with two supply registers & one return
- Front Living Room – 18K BTU with two supply registers & one return
- Bedroom – 9K BTU
- Dining Room – 9K BTU with two supply registers & one return
Controls:
- 2 Wireless Remote Controls (UTY-LNHU)
- 5 Wired Touchscreen Remote Controls (UTY-RNRUZ1)
Scope of Work
- Installed Fujitsu VRF system for the second and third floors, including all indoor units listed above.
- All electrical, refrigerant line sets, and condensation lines were run through the basement to keep installation clean and organized.
- The outdoor unit was positioned next to the existing Fujitsu unit on the east side of the home.
- Floor units installed in key rooms for optimal comfort, while slim-duct air handlers provided discreet airflow for larger spaces.
This VRF system allows each room to maintain its own temperature, delivering maximum efficiency and comfort without compromising the home’s interior design.
Project Highlights
- Custom VRF design for multi-zone comfort
- Minimal exposed piping for a clean aesthetic
- Efficient installation with high-performance Fujitsu equipment
- Fully integrated controls with wireless and touchscreen options
VRF Heat Pump System Benefits
- Zoned Comfort – Each indoor unit can be independently controlled, allowing personalized temperatures in different rooms or floors.
- Energy Efficiency – VRF systems adjust the refrigerant flow based on demand, using only the energy needed for occupied spaces.
- Flexible Installation – Compact indoor units (ceiling cassettes, slim ducts, floor units) fit in tight spaces and minimize visible equipment.
- Quiet Operation – Indoor units run quietly, making them ideal for bedrooms, offices, and living areas.
- Scalability – Perfect for multi-story homes, offices, or additions—one outdoor unit can serve multiple indoor units.
- Minimal Ductwork – Reduces the space and complexity required for traditional ducted systems.
- Advanced Controls – Many units offer wireless or touchscreen remotes, smart home integration, and scheduling.
Conclusion
This project highlights the flexibility and efficiency of Fujitsu VRF systems in large, multi-level homes. By carefully designing each zone with the appropriate floor and ducted units, we delivered a solution that maximizes comfort, minimizes energy use, and maintains the home’s clean aesthetic.
