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I apologize, I should of included this: Boiler system oil fired approx. 8 years old, maintained and cleaned/tuned every year.

So, I'll try and explain this as best as possible? Is there a magical number/formula on how many degrees to lower a stat as to just maintaining a certain temp.? If I lower the stat lets say 4' at...

Ok, so just took the vent off. The flex duct looked a little loose, BUT I noticed some condensation inside the duct. Any advice?
Thanks.

So, in my mud room, I have one ceiling mounted A/C vent. For some reason, that room seems to get totally cold. Today, I discovered cold air coming from the vent. I checked all my other vents and...

Ok, so getting the A/C unit ready and need to buy some 30" by 30" filters. So, two part question. Where is a good place to buy them and which one should I buy? Thanks!

!".
Thanks.

Thanks for the replies, much appreciated. Not sure why it's so big, I bought the house and the A/C system was already installed. Is there a certain MERV I should use? Once again, thanks.

Good evening all. Well, it's beginning that time of year and I am getting my A/C ready. I am having trouble locating a 30 by 30 filter. So, my question, any advice on where to get one? Also,...

Lets say I like it 76' on my first floor. I go to work for the day(8hours). Does it make sense to maintain that temp. all day?(I assume not) or how I high should I set the stat as that when I come...

Brent,

Thanks for the reply, much appreciated. I'll call a local contractor. Nothing on the net. For some reason, I cannot find a combo that come to 30*30, at least at a big box store.......

Looking to buy some 30"*30" air filters for my A/C. For some reason, I am having trouble finding them. Any recommendations? Thanks!
PS: Should I consider a reusable filter? If so, which kind? ...

LOL, thanks!

Well, the humidity is here. Is there a waiting period when flipping the power to the compressor? Thank you.

So, I have the following setup:
Lennox XC 21 Air Conditioner.
Lennox CBX32MV Variable Speed, Multi-position Air Handler
Harmony III Zoning----Two Zones.
How can I tell if I am getting the...

Tinknocker,

I was not here when the tech serviced the unit. I know they did the annual tune up, cleaning etc.... I will try and get the actual results and post them. I do know that is warm the...

Thank you both for the reply, much appreciated. I guess it was .03, wife relayed message. LOL

So, I just had my oil fired boiler serviced to get ready for the season. I was not here, but my wife was. The tech. indicated to my wife that there was a low draft at the boiler chimney, something...

T527ed,

I guess I need the interface module due to my Harmony board?
Thanks.

Rather then start a new thread, I thought I would add to this one.
Still trying to determine if the Icomfort WiFi stat will work with my setup.
XC 21
CBX32MV
Harmony III Zoning.

Thanks!

Moto,

Sorry for the delay, busy kids, camps etc.... When you say a stat should be at the retur, can you define return? Because as of right now, it is mounted in my bedroom near a vent(return?). ...

There is a return in each room, just not the hallway. I assume pressuring the rooms by closing the doors? Thanks!

First, thanks for the replies, I appreciate it. The stat was actually originally in the hallway where the intake(I think that is what it is called). There are no vents in the hallway. So, we sleep...

Time,

There is a vent above it, I attempted to minimize the air coming out of it. Thanks!

Current set up; Lennox XC21 with a variable speed handler, TWO zones. Upstairs zone has Filtrete 3M50 WiFi stat in my bedroom. Since I don't leave the A/C on all day upstairs, I'll turn it on when...

Lentz, I'm not sure what you mean? I thought water is supposed to come out of the pipe into the gutter. Anyway, it looks like problem solved. The pipe that the condensation was draining from into...

Thanks for the reply. Checked in the attic, pan is BONE DRY. Check the pipes and no leaking in the attic at all. With that being said, I rechecked the end of the pipe in the gutter and it is...

First, thanks for the replies, much appreciated. First, I did not notice it last year all. Seems like it just started. Just FYI, there is only one unit if that matters. Thanks!

As you can imagine, living in NY, I have been running the A/C non stop. Today, I was outside doing something and noticed water coming from a soffit. I went up and looked in the gutter thinking it...

Ok, so if I have this straight, when delays begins via downstairs stat, the upstairs stat will not be able to kick on? Thanks!

Ok, so since I have two separate stats, I can assume(yeah I know) that the control board is taking care of the delay? Once again, THANKS!

Ok, I understand the delay thing, BUT let's say the downstairs zone just went off, how does the upstairs know that so it does not kick on? I have two zones, one up and one down. Thanks!

First, thanks for the reply. It is a LENNOX XC 21 with a variable speed blower and a HARMONY III zoning.

If you have two zones in your house, how does it work in regards to compressor lock? For example, downstairs zone just goes off and up stairs zone calls for AC 30 seconds later. Will it go on? Is...

How do I know if my system is Icomfort equipped? I'm a little confused.
Thanks!

First, thanks for the replies. The system is 4 years old. Two zones only.

Does anyone know the compatibility of the Lennox Icomfort WIFI stat? I currently have a Lennox XC21 with a variable speed handler and a Lennox Harmony III zoning system. Thanks!

Please, I do not want this to be a NEST bashing type thread, I'm looking for constructive input. I have a NEST stat that was installed in the winter months, worked and performed just as I wanted. ...

Ok, first a little history. Have a Lennox XC21 with a variable speed blower. Two zones. I attempted to use a NEST stat(I don't want this to turn into a debate on the NEST stat) on the upstairs...

Sorry for the vagueness. Yes, this is an A/C only system. The handler is in the attic and there are two zones. There are no problems on the upstairs zone. The vent that has the cool air coming...

Yes, but NOT when it's 30' outside.

Good day everyone. I noticed the other day that there is some cold air coming out of one of the vents on my A/C system. It is the only vent on the zone that is doing this. Any advice? Thanks!

Thanks guys, much appreciated!

I have a tstat that I would like to move over a little. If there is not enough wire, what are my options. Thanks!

My return has 30*30 opening and I cannot locate any filters that size. Can someone point me in the right direction? Should I look into a reusable filter? Recommendations? Thoughts? THANKS!

Thanks again guys! Stay cool out there.

Thanks much guys!
Hey T, any thoughts on the duct work blowing out some cold air? Can I tape it up?

2old,
In the upper hallway, there is a filter at the "intake"....

OK, just went in my attic for a unrelated reason and noticed on the Lennox Variable Speed Blower there was a sticker for a filter size; 20*24*1. I said umm, I did not know there was one in there? I...

I should of been more specific, he ordered a new 14' whole damper....

UPDATE: The tech just left( I always request the same guy). Anyway, bad motorized damper. New 14" one on the way......