Question about Amana PTH123B35AE Air Conditioner

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Heat pump is not kicking in, no heat at 42 degree outdoor temp

Codes say unit is fine, have it on high heat still blows cool air.

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If its blowing cool air in the heat mode, most likely it is stock on the cool mode . Reversing valve is not changing over to heat mode. Check for low voltage at the reversing valve solenoid.

Posted on Aug 02, 2012

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HI,

Most likely has a freon leak , or a control problem causing heat to turn on, or if you have a heatpump the reversing valve has a problem.

Posted on Oct 10, 2008

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Goodman gph1348m41ac unit is blowing cool air in heat mode with mid 30s ambient outdoor temp. I turn it off then on and will usually blow warm air but this cycle is becoming more repetitive. any expert...


A heat pump on the optimal heating day (about 50 degrees ambient) will only deliver approximately 85 degree air as compared to 125 degree air from a fossil fueled furnace. The colder the outdoor air is the less heat there is available to be transferred to the living space. At 30 degrees, the heat transfer capability is getting close to negligible meaning the run cycles will be approaching continuous and eventually as the heat pump along cannot maintain setpoint, the outdoor stat or stats will bring on auxilliary heat in the air handler.

If your ambient temp is below the 'balance point' of the heat pump, the house temp will drop a little lower and most times energize the heat strips through the outdoor t-stat. Your outdoor stat could be set too low for the heat pump to carry the structure all the way down to the balance point so when you turn it off and back on, the lower indoor temp automatically brings on the heat pump plus a heat strip or two, thus the warmer air. Second stage on the stat satisfies due to the heat strip, drops them out of the circuit and the heat pump is left running on first stage heat delivering the perceived cold air.

Your outdoor stat could also be not functioning correctly and not allowing the heaters to come on until the system is turned back on reestablishing the two stage call for heat.

Tons of possibilities and not enough room to list....

Jan 01, 2015 | Goodman Manufacturing Goodman GPH1348M41 4...

3 Answers

Heat pump is not kicking in no heat at 42 degree outdoor temp


check the wirings.the coils and also the heating element.also check the heating temprature.
also check the power outlet.
connect some where else.
and try to restart it again after five minites.after you unplug the device from the electric outlet.

Oct 10, 2008 | Amana PTH123B35AE Air Conditioner

1 Answer

Hi,My remote do not get the good temp in my house. Ex: I set to 80F in heat mode but the thermopump operate slowly and dosn't get hire than 70-72F. The remote see the unit and all. Is the sensor in th


You have a heat pump.
Once the outdoor temperature falls below 36 degrees, heat pumps will sharply lose their ability to heat.
If you are getting a 72 degree indoor temperature when the outdoor temperature is 28-30 degrees, the heat pump is performing up to spec.
On heat pumps, the air coming out of the nearest air vent to the unit should be heated approximately 40 degrees warmer than the air entering the unit.
If you have a 70 degree indoor air temperature, the heat pump should be supplying 110 degree air at the closest air vent to the indoor unit.
Gas heat is a much better heating source where outside temperatures are commonly below 36 degrees.
Even electric furnaces perform better than heat pumps under these conditions.

Nov 30, 2014 | Air Conditioners

1 Answer

The unit is blowing hot air it will blow cool and then make a loud noise and start blowing heat.


Sounds like your ac is kicking out on high limit or internal overload. Several factors come in to play. Outdoor coil fins blocked or bent.
Check temp of compressor.

Aug 29, 2014 | Air Conditioners

1 Answer

My Mistral MSS25 has stopped blowing hot air, it's only 6 degrees and it's friday afternoon before a long weekend! Is there anything I can do to fix it before someone can come out here next week to lo


No heat pump will put out much, if any at 6 degrees.
A heat pump is an air conditioner that reverses cycle via a reversing valve that re directs the refrigerant flow in the unit, in ac mode,
heat from indoors is rejected outdoors in the heat mode the heat from outdoors is rejected indoors.
The system does this by evaporating and condensing refrigerant.
For the refrigerant to be "boiled" or "change state" from a liquid to a vapor a temperature differential must exist, meaning the heat from the outdoor air must "boil" the liquid refrigerant.
For this to be possible the liquid refrigerant must be colder than the 6 degrees ambient or it will not boil anything.
For a refrigerant used for AC to be that cold the pressure will be in a vacuum for most refrigerants temperature pressure relationship.
Heat pumps below 40 degrees ambient outdoor temperature are
not effective, at this temperature outside drops a degree lower it further degrades the heat output .Power companies that finance Heat pumps typically will install an outdoor thermostat to prohibit the 2nd stage or electric heat strips from coming on until it is 40 or below outdoors, at a certain point well before 6 degrees a heat pump should be ran on the emergency heat mode which is the heat strips and the fan. Since 1500 Watt electric heaters are available at Wal-Mart for $20 the best alternative in this situation would be to buy a few of them.

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Jun 06, 2014 | Air Conditioners

1 Answer

No heat blowing cool air


if your talking heat pump yes. heat pumps only work down to about 40 degrees ambient. you getdown to 19 it needs heat strips or auxilarry heat of some source.

Jan 24, 2014 | Ruud Air Conditioners

1 Answer

REPLACED BOTH ELEMENTS GOT HOT WATER FOR 1 SHOW THEN IT GOT COOLER AND COOLER AND NOW ITS COLD ONLY?


Find a reputable HVAC contractor to do a room by room analysis with heat and cooling loads calculated and units sized and duct requirements and compare to what you have.

The air not being cold is not necessarily an indicator of anything malfunctioning. High efficiency units for instance don't produce cold air.

Since you have had someone look at it, the duct work may be collapsed which restricts air flow or uninsulated which warms up the supply air. Either one is a possibility. Any Cox Cable guys been stompin' around your attic lately? Wouldn't be the first time.

Usually, when the air coming out of the vents is not cold enuf it's because your freon level is low. Probably leaking, but they can usually recharge the freon and it will work for a while. Try another repair company and see if they can recheck the freon level.

We have a high efficiency unit and it produces cold air, so I don't know what previous poster is referring to. Air conditioners are supposed to blow cold air.

Sorry, to tell ya but it is normal if the outdoor temperatures are much below 45 degrees. Below 45 degrees there is little heat outdoors for the heat pump to grab to heat the home so it will run 24/7 and blow cool or cold air. Below 45 the temp of the air coming out the vent will decline and you will get no heat from the heat pump itself as you near freezing.

Your emergency heat or auxiliary heat is electric strip heat. But it only kicks in during normal operation if the temp in the house drops 3 degrees below the setting. (some tstats if can be 5 deg.) Otherwise the heat pump will blow cool or cold air the rest of the time if it is too cold out.

To prevent it from running all the time and blowing cold it is recommended if the temp outside is falling below 45 degrees you should just switch to the emergency heat setting, which shuts the pump outdoors off, and just heat with the electric.

But if there is no heat outside the heat pumps will blow cold. They are the cheapest and most efficient forms of heat but only as long as the outdoor temp is above that 45 deg..

I'm guessing that if you haven't experienced this you live in some place with moderate winter temperatures like in Northern Florida and rarely get very cold winter temps like the freezing you have seen there recently.

It will likely blow much warmer when the outdoor temp rises.


Aug 02, 2010 | Air Conditioners

2 Answers

Heats for 15 - 20 mins then blows cool air


If the outdoor unit is in defrost mode the compressor will be running but the outdoor fan will not. You may even see some steam rising from the coils. This mode is to prevent frost or ice build up on the outdoor coil. Essentially it goes into cooling mode w/o the outdoor fan running.

Mar 05, 2009 | Goodman GPC1342H21A Air Conditioner

4 Answers

Goodman Air Conditioner not heating well...


Heat pumps in cold climates suffer a number of limitations stemming from the fact that they are designed for air-conditioning applications. As climates become cooler and heating becomes more of the primary HVAC function, one may find that conventional heat pumps lose capacity and do not satisfy the load of the conditioned space. In colder temperatures, a conventional system’s need to defrost can further detract from heating performance. The use of resistance heat or fossil fuels to supplement or replace the vapor cycle. The additional use of supplemental heat to temper cold air blowing into the space during defrosts. As it gets colder outside, the delivery air temperatures inside begin to fall when no supplemental heat is being used. Supply air temperatures that are warmer than the return temperatures add heat to a space, but discomfort occurs when these supply temperatures drop below skin temperature. The air movement can feel cool or even cold. While the heat pump may be operating exactly as intended,the consumer will desire a more comfortable environment.

Jan 18, 2009 | Goodman CKL49AR49 Air Conditioner

2 Answers

Heat Pump Stops Working only in the Early Morning


When the unit does what you say does the fan motor outside stop also , if it does that means it is in defrost mode and should kick back over to normal after the system heats up the coil enough

Nov 24, 2008 | Weather King 12AJA4801AH Air Conditioner

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