Have you checked your furnace

Have you checked your furnace

Posted in the Minneapolis Forum

digger

Minneapolis, MN

#2 Jan 28, 2014
Aloha wrote:
Is your furnace a 90+ furnace?
How many times does your 90+ furnace cycle per hour?
One cycle is defined by when your furnace starts to blow hot air until the next time it starts to blow hot air.
IF your 90+ furnace cycles more than 3 times per hour it isn't set up correctly. The thermostat is supposed to be set so a 90+ furnace only cycles 3 times per hour.
If not set up correctly your furnace will fail sooner and operate at a much lower efficiency.
What the hell would someone, who states that they are from Hawaii, know about furnaces??
Aloha

Honolulu, HI

#5 Jan 30, 2014
digger wrote:
<quoted text>
What the hell would someone, who states that they are from Hawaii, know about furnaces??
What would someone in Minnesota know about Hawaii?

Did you know it snows in Hawaii?
Aloha

Honolulu, HI

#6 Jan 30, 2014
Is your furnace a 90+ furnace?

How many times does your 90+ furnace cycle per hour?

One cycle is defined by when your furnace starts to blow hot air until the next time it starts to blow hot air.

IF your 90+ furnace cycles more than 3 times per hour it isn't set up correctly. The thermostat is supposed to be set so a 90+ furnace only cycles 3 times per hour.

If not set up correctly your furnace will fail sooner and operate at a much lower efficiency.
Visitor from ice box

Waipahu, HI

#7 Mar 6, 2014
BTW, don't set your thermostat into the "HOLD" mode.

When you do that it will cause your furnace to "short cycle". On a 90+ furnace that will damage your furnace AND cause your fuel bills to increase.
Clint

Minneapolis, MN

#8 Mar 17, 2014
This IS good info!!
Trigger

Minneapolis, MN

#9 Mar 23, 2014
Don't know why there is a hold mode on thermostats. If used it damages your furnace.
Denver Nugget

Saint Paul, MN

#10 Mar 24, 2014
Mine has been on overtime since dec 15th!
Trigger

Minneapolis, MN

#11 Mar 24, 2014
Denver Nugget wrote:
Mine has been on overtime since dec 15th!
Have you checked it to make sure it isn't short cycling?

IF it's a 2 stage, 90%+ furnace it must be set and functioning at 3 cycles per hour, NO MORE or it's losing efficentcy AND will wear out prematurly.
Alice

Honolulu, HI

#12 Mar 27, 2014
I'm surprised that "hot head" Trigger would even need a furnace!
Blue Tool

Minneapolis, MN

#13 Mar 27, 2014
Alice wrote:
I'm surprised that "hot head" Trigger would even need a furnace!
You ever visit -30f?

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