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  1. Almost all furnaces today will have an efficiency above 80% AFUE, but if you want a high-efficiency furnace, look for furnaces with an efficiency above 90-95% AFUE. How is furnace energy efficiency measured? Furnace efficiency is measured in a unit called AFUE, which stands for Annual Fuel Utilization Efficiency. AFUE measures the number of ...

  2. Feb 15, 2024 · The minimum efficiency furnace you can purchase in Canada is now 95% AFUE; Top high-efficiency furnaces on the market have AFUE of almost 99% AFUE; The BTU rating needs to be considered when choosing the right size of heating system. Newer furnaces are more efficient so you generally won’t need as high a BTU rating as your old model.

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  3. Feb 15, 2024 · Most Efficient Furnaces. The government has mandated that all natural gas furnaces sold here must have an Annual Fuel Utilization Efficiency (AFUE) of 95%+. A high-efficiency model means lower energy bills. However, the difference between a 95 and 98% AFUE furnace won’t be all that much.

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  4. Jan 11, 2022 · Furnaces in Canada can have two labels: The ENERGY STAR symbol means the model is highly energy efficient. The voluntary EnerGuide label shows the model’s energy consumption and how it compares to similar models. Learn more about EnerGuide labels for furnaces. The ENERGY STAR Promise.

  5. Jun 10, 2024 · By Mark Douglas Wessel on June 10, 2024. Estimated reading time: 8 minutes. Heat pump, furnace or hybrid—which is the better option in Canada? Need a new furnace or central AC? Consider...

  6. Oct 9, 2020 · In contrast, high-efficiency furnaces are 95 to 98 per cent efficient and now mandated for new construction and furnace replacements. Gas heating systems of the future show tremendous promise in being even more efficient — greater than 100 per cent.

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  8. Natural Gas furnaces are the preferred choice of home heating over electricity, oil or propane because of its cost efficiency. Mid-efficiency furnaces range from 78 to 82 per cent rating, while high-efficiency furnaces range from 90 to 97 per cent efficient.