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Thread: Frozen intake elbow.
11-11-2012, 12:58 AM #14
11-11-2012, 10:33 AM #15
I like to run my vs speed furnace fan year round, so would closing the damper effect this in anyway??
11-11-2012, 11:06 AM #16
I'm not familiar with city code in lethbridge. In Calgary, on a new home, the fresh air intake must be balanced against the exhausted air through range hoods, bathroom fans and any other powered exfiltration of air.
All these systems should also be interlocked together so when one exhaust comes on, a powered intake fan will turn on to make up the lost air.
This is thermally inefficient, hence the HRV.
11-11-2012, 11:22 AM #17
I think that it was balanced this way when we moved in as when we turned on switch, the bathroom fans went on also. We had ac installed in spring and they made it so we could run furnace fan without activating bathroom fans etc.
12-18-2012, 09:14 PM #18
12-19-2012, 08:20 AM #19
Check the insulation around the pipe periodically to make sure it is not holding moisture but I would expect with those types of tempuratures that the problem will just move inward toward the duct itself. The HRV is the best solution.
12-19-2012, 10:38 AM #20
I asked him about an HRV and he said it wouldn't be a good solution. Instead he said he could install a fan in the ducts that would warm the air before it hit the furnace. I don't know enough to know what to do.
12-19-2012, 10:39 AM #21
He also added that this should eliminate any problems, and I wouldn't need a costly fan or other work done.
12-19-2012, 11:05 PM #22
Would a HRV make a huge difference? I ask as he didn't think it would be a very good option, but what I have been reading says otherwise. Can I have some experts on here shed some more light on this for me please.
12-20-2012, 08:00 AM #23
You are currently using mechanical ventilation with the fresh air intake and exhaust fans. The hrv would do the same and received recover some of the lost heat currently being exhausted.
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12-20-2012, 09:45 PM #24
Would it be money well spent, or should I just stick with my current setup? The insulation seems to have fixed the problem, although I won't know for sure unless I remove the insulation from the intake pipe.
12-20-2012, 10:23 PM #25
12-25-2012, 10:34 AM #26
With an HRV, is there an additional ducts that need to be installed? How would this be done in a 2 story finished house? Basement is unfinished though if this matters.