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I googled "cross break". The large rectangular pieces do not have cross breaks , but feel thicker than the 30 gauge 6" ducts. I haven't measured them, but expect they are 26 gauge. (I used 26...

Its 30 gauge. I thought that was normal for 6" residential.

16x25x4 filters at the furnace. I change them twice a year, even though they claim to last a year.

I bought a 6 year old house 1.5 years ago.
The first heating season the ducts to my bedroom sounded like someone was playing the drums on them.
I found the seams on the large rectangular ducts were...

I put in a high efficiency furnace 13 years ago. It is in a house I have for sale in another city. It is a brand name; I think a York.

A prospective buyer wants me to guarantee the heat...

For the last couple months one particular piece of ductwork has been making a hammering noise. I had a plumber in two days ago and he looked at it. (in his previous job he also did HVAC)

He...

I couldn't find the guidelines. I don't even see a 15kw, but the 17kw is $2,000 more; so I will pass on that.

According to their website the 8kw uses 139cf/hour. A cf of NG is 1029 btu, so the...

A website selling Generac said the 8kw will start a 3 ton A/C.
I asked where they got that information and they said from Generac. As long as the LRA on my A/C was under 50, I was good.
I looked...

I am looking into a NG standby generator; and am seeing if I can run my A/C off it. Not a big deal, but if it is simply done... I would be willing turn everything off for a few hours to run the A/C...

I am aware it is wrong.
I am asking if NYS code forbid it in 2006.

The inlet on my 2006 Trane furnace froze up. I found that the contractor installed the vent too close to the inlet, and didn't make the vent long enough; per Trane's installation instructions. He...

Trane XR90 TUX80c942D Two pipes through the wall, the vent and the inlet. The inlet filled with ice and the furnace wouldn't fire. I don't know how long it was doing that before I noticed, but it...

No, the inlet iced over as I said. How could the furnace evaporator ice over?

I asked a simple question, does the furnace continue to try to start, or does it shut down after a while?
You don't...

A few days ago my Trane furnace stopped working because the inlet iced over.
It took me an hour to figure out the problem, and it tried to start up over and over again.
Would it do that forever,...

Venting instructions say that it must be 4' from a window that may open, and 1' from a permanently closed window. That is difficult because my windows are closer than 8' apart. Can I put a screw...

Can you cite the code? I realize you are in Canada, but if 36" is required in Canada, then it is documentation that my 11" is inadequate. Maybe not illegal, but clearly improper.

Is there an actual code that says you can't put vents under and overhang such as a deck, or they must be 36" from inside corners; or is it just a matter of common sense that they prevent proper...

Those and the vent is too short and the pipes are too close together.

When he pulled off the 90 bend (which I didn't know you could do) the pipe was 90% full of ice. Yes, it is amazing it does as...

Would that be apparent after 6 heating seasons? I purchase the 6 year old house subject to a cleaning and satisfactory inspection by the installer. If the damage should be apparent, then either it...

He seemed like he wanted to be reasonable. That is good.

1) He conceded the inlet had a lot of ice in it. At first he insisted it was sucked in snow, but eventually agreed it was frozen exhaust....

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You can see it is too close to the deck, too close to the side wall, too close together, and the vent is too short.
Extending the vent 2 feet would, I expect as someone ignorant on the...

At present, the vent and inlet are under my deck. The inlet has twice picked up moisture from the vent, which has frozen and stopped the furnace. I have to go out every 8 hours to scrap.

The...

Could you insulate it to prevent freezing? Or even put a heating strip on it?

They seem very fussy about acceptable terminations on vents and inlets. Trane requires a vent coming straight out of the wall to be 12" min and 14" max. What would the harm be in running the vent...

I understand the rule and will respect it.
Couldn't something be set so that only Professional Members can post to restricted forums?
That would make it impossible to violate the rule innocently...

This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here. Please apply to the AOPC today, thank you.
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The prior owner used it as a summer cottage. I think they left the heat on, but I am not sure.
The deck is on the original plans, as is the screened in porch on the deck.

I also note that the...

I have a Trane XR90 furnace, 80,000 btu; on a 6 year old house I bought last fall.
Last night at 2am I noticed it wasn't working. A red light on it was flashing three times, which the instructions...