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I have a 14 year old Carrier Infinity system. Over the past
Hi, I have a 14 year old Carrier Infinity system. Over the past couple years my system has shut down a couple times when the zone control tstat says "critical malfunction". Usually after shutting down… read more
BillyHvac
BillyHvac
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Have a heatpump running with 2 zones on a Honeywell hz432
have a heatpump running with 2 zones on a Honeywell hz432 controller. Lower zone is always over cooling and the upstairs is warmer but comfortable. Set the thermostat down stairs to auto changeover bu… read more
Tamar D
Tamar D
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I have a carrier infinity system and changed to the nest. My
I have a carrier infinity system and changed to the nest. My nest is t recognizing that I have (what I think) is a multi speed fan system. When the heat kicks on with the nest now, it sounds much loud… read more
Phil
Phil
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I have a 2 zone system in a ~2000 sf home, with upstairs and
I have a 2 zone system in a ~2000 sf home, with upstairs and downstairs on separate zones with a honeywell controller. I am in the process of finishing the attic (~360 Sq ft), and would like to set th… read more
Bill
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Can I replace my Infinity thermostat with another infinity stat?
My infinity thermostat bit the dust (model # systxccuid01) and am looking to replace it. my question is can I use one of the other infinity stats to replace it. I saw in a forum that the infinity touc… read more
Appliance Guru
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I'm considering buying a Carrier Infinity Coastal 3-ton heat
I'm considering buying a Carrier Infinity Coastal 3-ton heat pump, 2-stage condenser with variable speed air handling unit. Is it worth the money to get the Thermidistat control or is the standard Car… read more
HvacmanSean
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I have a Carrier Infinity AC and thermostat. When the system turns on and a desire temper
I have a Carrier Infinity AC and thermostat. When the system turns on and a desire temperature was set, once the system reached the desired temperature it can't maintain it, then a “System Malfunction… read more
BillyHvac
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I have upstairs and downstairs w/ seperate thermostats. Upstairs
I have upstairs and downstairs w/ seperate thermostats. Upstairs works fine. Downstairs thermostat says its working but no air.… read more
airheatman
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My Bryant Zone Perfect Plus thermostat won't pump heat
I recently bought a house with a Bryant zone perfect plus thermostat. This is the first time I needed to use it and it won't pump heat. There are 2 zones. Both are programmed identically. The Therm is… read more
Phil
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My Carrier Infinity thermostat will reach the set temp (+21C)
My Carrier Infinity thermostat will reach the set temp (+21'C) at night, but then the normally slow regular pulsating blue light begins to pulse rapidly (i.e. about 3 times faster than normal pulsatio… read more
hvacexpertjoe
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Hello experts, We are finishing our attic space and will be
Hello experts, We are finishing our attic space and will be using our existing Infinity system, which has the capacity (24ANB7 & 58MVC, with an Infinity T-stat SYSTXCCUID01-B) for heating and cooling.… read more
Yourair
Yourair
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We have a 2 zone 2 story system only 2mos old. The airflow
We have a 2 zone 2 story system only 2mos old. The airflow upstairs is horrible compared to down. The temp can't get below 80 upstairs and airflow seems almost none. The master has its own return, plu… read more
Phil
Phil
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We have one HVAC unit controlling the top floor of our house
We have one HVAC unit controlling the top floor of our house and a finished attic. The thermostat is a carrier Infinity and is located in the finished attic. That works well in the Summer when the mor… read more
Phil
Phil
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Degree, Mech Engr Technology
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I had a Carrier Infinity Heat Pump and air handler (4 ton)
I had a Carrier Infinity Heat Pump and air handler (4 ton) installed a couple of years ago and my electric bills are going up in the winter, not down. I don't know if it's because of colder weather re… read more
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HVAC technician diagnosed refrigerant leak in evaporator coil
HVAC technician diagnosed refrigerant leak in evaporator coil (Lennox air handler & compressor outside unit that is over 10 yrs. old). We are planning to stay in the house another 3 to 5 years. We liv… read more
gotoman for ac
gotoman for ac
HVAC Technician
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hi, i am having a carrier performance compressor unit put in,
hi, i am having a carrier performance compressor unit put in, 2 zones. my question is: How much more of a difference does it make it if they use an INFINITY handler, compared to a regular variable spe… read more
gotoman for ac
gotoman for ac
HVAC Technician
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Hi gotoman, im getting quote for carrier 4ton performance system
Hi gotoman, im getting quote for carrier 4ton performance system two floors two zones. one zone for each floor from dampner, hes running 3 new ducts on upper floor, quote was 9000. is the infinity tha… read more
gotoman for ac
gotoman for ac
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I am currently replacing a 3 ton 10 seer Trane XE1000 heat
I am currently replacing a 3 ton 10 seer Trane XE1000 heat pump with a Carrier 15 seer Performance Series 3 Ton Model #25HPA5H & FV4BNF005 Air Handler. Is the a reliable well made system, or would you… read more
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gotoman for ac
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