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I have a zoned system in a two story house. I have two
I have a zoned system in a two story house. I have two thermostats. When we turned the heat on it is very cold downstairs and very hot upstairs … read more
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Patrick
Bachelor's Degree
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We have a 2 zone cooling system with your TrolATemp
We have a 2 zone cooling system with your TrolATemp thermostat and our downstairs cooling works fine but the upstairs will at times barely come out and now regardless of how we program thermostat no c… read more
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BillyHvac
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I have a 2 thermostats, one a/c unit, one thermo upstairs
Pearl, I have a 2 thermostats, one a/c unit, one thermo upstairs and one downstairs, my upstairs unit cools and heats fine, my downstairs will heat but will not cool, I have purged the system, reboote… read more
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plumbing, hvac technichian
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We have a new home that was just built and we have a single
We have a new home that was just built and we have a single unit with 2 thermostats(one upstairs and one downstairs). I know heat rises. However, with both set on 75, it stays 75 upstairs and like 68/… read more
airheatman
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airheatman
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My house is set up to have two zones, upstairs and downstairs.
My house is set up to have two zones, upstairs and downstairs. There is a thermostat on each level. When one thermostat calls for heat or cold, the system, through baffles in the air ducts moves the a… read more
Jerry
Jerry
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I just moved into a home that has one central air conditioning
I just moved into a home that has one central air conditioning unit but there are two controls - one upstairs and one down (main floor, not a basement) and they are both programmable. I can't seem to … read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
WE have a RUDD Achiever Super Quiet 80. it is about 6 years
WE have a RUDD Achiever Super Quiet 80. it is about 6 years old. We have two zones. Zone 1 is downstairs and Zone 2 is upstairs. Zone 2 (upstairs runs flawlessly. Zone 1 downstairs does not. When we c… read more
Phil
Phil
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I have a Lennox C33-36C-2F-2 furnace. We have two thermometers
I have a Lennox C33-36C-2F-2 furnace. We have two thermometers one on first floor and one on second. The one on second floor is running when the system is off and goes above the set point. I switched … read more
Phil
Phil
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I have a Rheem RCHA-36A2GG17 central air conditioning unit.
I have a Rheem RCHA-36A2GG17 central air conditioning unit. It wiil run for a few minutes and turne off. it is no longer cooling the house. Any suggestions on how to fix it?… read more
BillyHvac
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I have a Carrier Tech2000SS that handles upstairs. today I
I have a Carrier Tech2000SS that handles upstairs. today I came home and it was hot upstairs and the unit outside was humming but the fan wasn't turning. I reset power to the unit several times and se… read more
BillyHvac
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If I have a HVAC unit that is operating just fine but its
If I have a HVAC unit that is operating just fine but it's too small to keep the upstairs cooled in the heat of the summer can I have an additional small unit installed to cool the upstairs separately… read more
Matthew
Matthew
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Bachelor's Degree
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Hi, We have one furnace that that cools off the basement and
Hi, We have one furnace that that cools off the basement and the first level of the house. We keep the temperature at 80 on the uspstairs level, but a tenant just moved into the basement yesterday and… read more
Tim H.
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My house is 3 years old and we have two HVAC units - one for
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THEFIXER1966
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I just had RUDD Achiever RGPN (50,000 btu) 3T furnace put
I just had RUDD Achiever RGPN (50,000 btu) 3T furnace put in. to replace the factory original unit. I live in Houston...in a 22 yr. old home. The system seems to be working o.k. (2 green lights & 1 am… read more
Richard
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We have a Carrier Weather Maker two-zone system. In the house
We have a Carrier Weather Maker two-zone system. In the house we have a thermostat downstairs (carrier tstatccnac01-B) and two upstairs (one in hallway and one in the FROG.. both are tstatccNHP01-b). … read more
TimVZ26
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A/C not cooling. The outside unit runs continuously, but is
A/C not cooling. The outside unit runs continuously, but is not freezing up. The temp today was in the 90's and the A/C could not cool the house below 80.… read more
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Meet the Experts:

Phil

Phil

Mechanical Engineer

10,082 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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14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

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Kenton Guidry

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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16+yrs HVAC/R service. Residential Commerical Industrial

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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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