One thing is sure, I just got my new furnace installed, and the vents produce much less noise than they used to with my old furnace. The savings are lower where electricity is cheaper (I'm in Quebec), but even the very small savings year after year may end up paying for the initial cost. 'In Toronto, with intermediate electrical (and gas) prices, the net savings without air conditioning are intermediate ($40 to $ 68), but the savings with air-conditioning are the highest ($147 to $180.)(Savings in Ottawa are $1 to $7 less than in Toronto.) ' The percentage increase in gas use for the entire house ranges from 4.7% in a typical existing house with a high-efficiency gas furnace in Ottawa to 9.7% in Moncton R-2000 and row houses with medium-efficiency furnaces.' It ranges from 152 m3/y in an R-2000 house with a high efficiency furnace in Toronto to 222 m3/y in an existing house with a mid-efficiency furnace in Moncton. 'Increased use of natural gas due to an ECM is greater than 150 m3/year in all cases. With air conditioning, the range is from 2,795 kWh/y in an existing house in Winnipeg to 2,991 kWh/y in a row house in Moncton.' 'Savings of electricity are more than 1,500 kWh/year in all cases. Reviving an old thread but I was curious. By the way, what happens if you operate a red tag A device yourself? the ECM might give you comfort and less noise but it does not let you save hundreds: according to Energy Canada website, it will have your furnace based electricity cost less of $30, but will have you pay for more gas! Search it, I will post the website when I find again. Now it is 2017 and any furnace I believe is 95+ of an efficiency: So 2 stage with an Ac motor 95+ efficiency is more than enough for me. What was the result? I have some days for I have a gas fireplace and maintan comfort with that so I am not desperate.

I read now that HORDOSR got a quote from Reliance, and understood that furnace and ac was quoted to be 6800.

I' ve been red tagged today, by my service company Enercare, which had done maintenance with no problems just 2.5 months ago! A crack he said, did not measure CO, said could leak.

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