Hello, looking for some out of the box thinking here as I am racking my brain on what I believe is excessive propane usage on my high-efficiency Lenox furnace.
We moved into a 2200 sqft bungalow this past summer and this is our first winter in the house and on propane. We live in Ontario (Canada) but this past Nov & Dec has not been too cold. For the past couple of months, I am burning 650L / month (175 Gallons) in propane. I'm concerned that Jan / Feb / March is going to be multiple fills per month.
I have made some adjustments to the house / system but it doesn't seem to have helped at all.
- shutoff and blocked the HRV so no cold air is getting brought in.
- updated the insulation in the ceiling to R60.
We have a loft above the garage that is spray foamed and has a split heating system as the duct work did not run into this area.
Has anyone seem a high-efficient furnace consume excessive propane? It seems to go on all the time so not sure if it's shortcyling or if that's just because it's a high efficient furnace.
Looking for any thoughts or feedback on what could be checked. I have a thermal camera on order but considering the house was built in 2006, I don't expect it to be too bad from an air leakage perspective.
Thanks in advance.
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