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My furnace unit is blowing cold air. I tuned off the unit
My furnace unit is blowing cold air. I tuned off the unit and checked all connections and restarted unit. The pilot light turned on and the unit ignited, it only stayed on for a few minutes and then t… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
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I have a Lennox G61 MP series furnace. My house was hit by
I have a Lennox G61 MP series furnace. My house was hit by lightening. There is power to the furnace but it will not fire up, and the fan will not turn on. I assume something got blown out, as I also … read more
Billy
Billy
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I installed a rheem hot water heater last week. Everything
I installed a rheem hot water heater last week. Everything was going fine and today it went out. I went down and no light was on the controller. I tried to restart the pilot light and it started blink… read more
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Rick the plumber
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I have a Lennox g61 with a flame sensor in the back and cannot
I have a Lennox g61 with a flame sensor in the back and cannot access to clean it. Furnace cycles 5 times then shuts off. Is it the flame sensor that needs cleaning or my thermostat?… read more
Billy
Billy
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Bill, I have a Carrier System Model #58STA070-12112 that the
Bill, I have a Carrier System Model #58STA070-12112 that the thermostat went blank on and is not working. I checked on the unit, and there is an LED that is on indicating that it has the 24VAC power. … read more
Billy
Billy
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I have a 14 year old Tempstar gas furnace that works when it
I have a 14 year old Tempstar gas furnace that works when it is cold but when warm it doesn't restart and has code 6, the control in soft lockout. Is it the gas valve or other things? Peter… read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 satisfied customers
Hi, I have a Lenox GS15Q3/4X-80A-2 gas furnace. It fires
Hi, I have a Lenox GS15Q3/4X-80A-2 gas furnace. It fires up just fine as the thermostat calls but only stays lit for a minute. The fan continues to cycle and the electronic ignition cycles repeatedly … read more
Scott
Scott
Self Employed HVAC Service Technician
Associate Degree
400 satisfied customers
I have a York furnace, series YP9C*MP model YP9C100C16MP11A,
I have a York furnace, series YP9C*MP model YP9C100C16MP11A, and it seems that I don't get a proper heat cycle and now I have a lock out code due to too many flame recycles. Any suggestions?… read more
mranswer
mranswer
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Bachelor's Degree
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Two weeks ago I had an Amana mid ef. furnace 115000BTU input
Two weeks ago I had an Amana mid ef. furnace 115000BTU input installed in my 2700sq.' home. ( Mod.#AMV81155CX) The old furnace( 38 years) was a 160000BTU input with 130000 BTU output. The new Amana fu… read more
M Oglesby
M Oglesby
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My Colemans spark ignition takes about 5 minutes to ignite
My Coleman's spark ignition takes about 5 minutes to ignite the pilot light. The furnace pilot and burners light up fine after that. Then the ignition continues to spark for about 15 minutes after the… read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 satisfied customers
Hi HVAC I have a 5 year old gas fieplace in my condo. The
Hi HVAC I have a 5 year old gas fieplace in my condo. The pilot light works fine however when I turn on the wall electrical switch to light the fireplace, the fireplace takes a long time to come on, i… read more
Richard
Richard
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my furnace is not putting out air hotter than 78 degrees and
my furnace is not putting out air hotter than 78 degrees and the fan setting is on the slowest speed. i bought this 12 months ago and it has always worked like this i cannt have another winter like la… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
i had a furnace inspection done last wk. by elite...the man
i had a furnace inspection done last wk. by elite...the man told me that my lennox that is org. '92 model furnace pilot lite is staying on after furnace is lit and that this is extremely danger....tha… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
i have a tempstar dc90 furnace 10 yrs old. starting the end
i have a tempstar dc90 furnace 10 yrs old. starting the end of last year, it would start the pilot light but mot ignite the burners , which would happen only about once a week. if i shut it off & then… read more
gotoman for ac
gotoman for ac
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My b-W boiler- water heater for the hydronic heat quit heating
My b-W boiler- water heater for the hydronic heat quit heating water. The power vent is running non-stop. Trying to restart the controller makes a click and within 2-3 seconds there is a second (presu… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
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My pilot light is acting funny. Intermittantly, it makes a
My pilot light is acting funny. Intermittantly, it makes a "whoosh" noise. It seems to be getting worse. The furnace is an indoor floor heater. It is probably 50 years old. The pilot light stays blue … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,886 satisfied customers
dynatrail furnace nt40 it dont kick blower on which dont let
dynatrail furnace nt40 it dont kick blower on which dont let furnace light getting power to thermastat and power to furnace… read more
Mike
Mike
Service Tech/ Installer
High School or GED
149 satisfied customers
I have a Heil furnace, about 2002 model year. When heat is
I have a Heil furnace, about 2002 model year. When heat is called for the exhaust fan comes on, the igniter lights, the pilot lights and after about 2 seconds the pilot goes out. It will cycle several… read more
Mike
Mike
Service Tech/ Installer
High School or GED
149 satisfied customers
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Meet the Experts:

Phil

Phil

Mechanical Engineer

9,886 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

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35 years experience, HVAC

Matthew

Matthew

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Brian HVAC Guy

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Kenton Guidry

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Rick Ridley

Rick Ridley

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Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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