Note 14 - WARRANTY LIABILITY

For the nine ended September 30, 2025 and 2024 there was no change in our warranty liability. We estimate our warranty liability based on past experiences and estimated replacement cost of material and labor to replace the critical turbine in the units that are still under warranty. The outstanding balance as of September 30, 2025, and as of December 31, 2024 was $100,000 and $100,000.