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We have a high end Lennox AC/heating system that was
We have a high end Lennox AC/heating system that was installed about five years ago. The problem, when the temperature drops below 30-35 degrees outside the system will heat to about 68 and stop even … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
My thermometer says it's 74 in here I brought another
My thermometer says it's 74 in here I brought another thermometer in here and it says it's 70 my air conditioner is not kicking off cuz I have it set at 73 so when I turn up my thermostat to 75 their … read more
Cliff
Cliff
HVAC Contractor / HVAC Instructor
Bachelor's Degree
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We have foam insulation. Just replaced geothermal with heat
We have foam insulation. Just replaced geothermal with heat pump. Thermostat says 66 degrees and it is in the room right by the thermostat. However, nowhere does it feel that cool even in the room tha… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
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1 year old house in Dallas Texas. Temp outside is 15 which
1 year old house in Dallas Texas. Temp outside is 15 which is abnormally cold. Ecobee thermostats upstairs and down. Both set at 74 and can't seem to get them above 66 this morning. Dropped from 68 la… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
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Thank you! I have a Rodgers IF 80-361 thermostat. The date
Thank you! I have a White Rodgers IF 80-361 thermostat. The date says Monday (it is Tuesday). The time (3 hours off) alternates with the room temperature. I would like to maintain a 66 degree temperat… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,265 satisfied customers
I have an old Honeywell thermostat, and it's "stuck" on
I have an old Honeywell thermostat, and it's "stuck" on hold, at 66 degrees. When I try to raise the temp, or run the schedule, it immediately reverts to hold, on 66 degrees. How can I get it to stop … read more
airheatman
airheatman
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I have a comfortSense 7500 thermostat. With a 4 month old
I have a comfortSense 7500 thermostat. With a 4 month old Lennox system. Last night we had the thermostat set to 71 and woke up the middle of the night freezing. The temp was down to 66 and we couldn'… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
I have a Bryant thermostat X4147 and a Lennox Elite
Dear Sir: I have a Bryant thermostat X4147 and a Lennox Elite heat pump S/N:5809M06337. The light on the thermostat went out. I replaced the batteries after pulling off the front of the unit, but that… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Hunter Set n Save thermostat. 3 in 3 zones. One of them is
Hello Hunter Set n Save thermostat. 3 in 3 zones. One of them is not triggering the furnace. The other 2 do. Changed batteries, hit reset switch, reprogrammed it, even have it on HOLD for 68 degrees. … read more
D.E. Anderson
D.E. Anderson
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Turned switch off on thermostat to replace battries now temp
turned switch off on thermostat to replace battries now temp for house is worng,How do i reset room temp?White & Rodgers thermostat… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
Two weeks ago we installed a Lennox XP25 with a CBX32MV Air
Two weeks ago we installed a Lennox XP25 with a CBX32MV Air handler. It runs extremely quiet but the humidity level in the house is unacceptable. Even at 71 F degree the humidity is 66-70%! Although w… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
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10,265 satisfied customers
My a/c was working fine when I left work yesterday. Today my
My a/c was working fine when I left work yesterday. Today my Lennox thermostat (P)X4147 S/N 4405J00920 doesn't show anything on its face. I have replaced all thee AAA batteries with fresh ones. Help?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,415 satisfied customers
Hello, Our lux 500 does not stop our cadet heaters. The heaters
Hello, Our lux 500 does not stop our cadet heaters. The heaters just keep heating. Finally, turned off by breaker. Will clean Cadet heaters. This has not happened before. Operated fine for 7 years wit… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,265 satisfied customers
We have a Honeywell CT8602 programmable thermostat. Our problem
We have a Honeywell CT8602 programmable thermostat. Our problem is that even if it is set at 66 degrees hold it is 71 degrees in our home. We have just put in new batteries. Do we need a new thermosta… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,118 satisfied customers
I bought my house in February of 2011 and the previous owner
I bought my house in February of 2011 and the previous owner had recently upgraded the HVAC. I have a Honeywell thermostat, which is currently set to Cool, and the temperature is set at 72 degrees. Th… read more
Jerry
Jerry
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High School or GED
1,904 satisfied customers
I have a Lennox Comfortsense 5000 thermostat on my (new May
I have a Lennox Comfortsense 5000 thermostat on my (new May 2010) system with XP16 heat pump and CBX32MV air handler. The problem is with the location of the thermostat and I am wondering if an indoor… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,118 satisfied customers
We just came home and the heater will not come on. Changed
We just came home and the heater will not come on. Changed the batteries to a fresh set of AAA's. Checked the exaust to make sure no snow was blocking it (Im in Minneapolis / Bloomiington, MN). Checke… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
My VisionPro 8000 thermostat is locked up. It does not say
My VisionPro 8000 thermostat is locked up. It does not say "screen locked", though. The setting is Auto/Cool. The room temp is at 85 and the cool setting is stuck on 99. None of the buttons are respon… read more
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Mark Henley
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3,216 satisfied customers
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Meet the Experts:

Phil

Phil

Mechanical Engineer

8,427 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

HVAC Technician

3,133 satisfied customers

35 years experience, HVAC

Matthew

Matthew

HVAC Technician

2,014 satisfied customers

14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,029 satisfied customers

I have been an HVAC/R mechanic/technician for 30+ years.

Kenton Guidry

Kenton Guidry

HVAC Technician

963 satisfied customers

12 years install/service experience.

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

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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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