Sterling High-Efficiency Unit Heaters
The Matrix Series offers high-efficiency unit heaters with separated combustion and various sizes from 50 to 400 MBH. The AF/AB Series provides power vented options with stainless steel components and a 10-year warranty on heat exchanger, flue collector, and burner.
- The description claims +93% efficiency at full input for the Matrix Series.
- The description claims 83% thermal efficiency for the AF/AB Series.
- The description claims a 10-year warranty on heat exchanger, flue collector, and burner.
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