Also read: this brand on other pages
Same manufacturer, different equipment focus—so you get intent-matched detail without duplicate canonical URLs.
Fujitsu Halcyon XLTH Extra Low Temperature Heating
Model Number: ASU9RLS3Y
The XLTH series delivers full heating output down to -15°F — the lowest operating temperature in the industry. Purpose-built for extreme cold climates.
Technical Specifications
33
SEER2
13.8
HSPF2
1
Zone
Noise Levels
Key Features
Extra Low Temperature Heating to -15°F
33.0 SEER2 efficiency
ENERGY STAR Most Efficient
Ion deodorizing filter
FujitsuGeneral app control
Pros & Cons
Pros
- Industry-best -15°F cold climate rating
- 33.0 SEER2 — top-tier efficiency
- Ultra-quiet 18 dB indoor unit
- Excellent value vs Mitsubishi H2i
Cons
- Fewer multi-zone options than Mitsubishi
- Smaller dealer network
- 10-year warranty vs 12-year competitors
Best For
Extreme cold climates (northern US, mountain regions)
Warranty Snapshot
Compressor: 10 years
Parts: 10 years
Register equipment with the manufacturer after installation to preserve coverage. We handle registration on Home+ installs.
Similar Mini Splits
Other ductless systems with similar efficiency from different brands.
Frequently Asked Questions
Ready to Install the Halcyon XLTH?
Get a free, no-obligation quote for professional mini-split installation by NATE-certified technicians serving Nassau County. You may qualify for a $2,000 federal tax credit!