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I replaced the filter in my HVAC system and since then, the temperature has not held at the level it is set for. I am concerned something is wrong.

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Was the filter you putin the same as you removed?Check to make sure the doors are tight on the furnace.Run ac and heat at thermostat to make sure everything works.check to see that outdoor unit runs when ac is on.

Posted on Jul 04, 2008

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I have a T1700 in my apartment and my air want shut off and i see a lock symbol on it how do i shut it off

Do you mean a Venstar T1700 thermostat? If that is the case, the Lock symbol merely indicates that the keypad is locked to keep people from reprogramming the thermostat. This prevents anyone from quickly changing the target temperature or the swing temperature (the temperature at which the unit turns on) for the HVAC system. To unlock the keypad, press and hold the Mode button. Then press both the Up and Down arrows. Release all three buttons when the lock symbol disappears.

If the AC has cooled your apartment to a temperature below the target temperature for the current time period, then the control board of the HVAC may be damaged. (It isn't getting the message and has failed in the on position.) Contact an HVAC repair professional.

If the thermostat is indicating that the room hasn't reached the target temperature, then you should replace your thermostat. The thermistor has failed. (Contact Venstar if the thermostat is less than one year old.)

I hope this helps.

Cindy Wells

Sep 27, 2014 | Heating & Cooling


Honeywell TH8320U Thermostat

The Honeywell Vision Pro 8000 Digital Thermostat is a fully programmable thermostat that is so easy to use that you might think that it is reading your mind as you work with it.


This intuitive logic responds to you as you program this thermostat and helps you to do what you wan to do. The instruction manual almost becomes a thing of the past. This thermostat also will learn your building and HVAC system. It then adjusts to keep your temperature within 1 degree F of the set point. This will give you the best in comfort. The comfort is achieved while still giving you the very best is efficiency. In some cases efficiency has been increased by up to 30% by simply installing this thermostat.

The fan can be programmed separately for increased comfort when running an electronic air cleaner or a humidifier. A 35% circulator mode is also available. Hold options will let you easily go on vacation or temporarily override the programmed settings. The vacation setting will even let you set it to go back to the schedule before you get home. There are also built in reminders for many of the things that need scheduled maintenance.

If you are thinking about or have a dual fuel set up or a heat pump furnace set up, then this is the thermostat for you. With the addition of an outdoor sensor you can set the thermostat to switch from one heat source to the other at whatever temperature you set.
This feature will eliminate the need for “change over kits” extra relays, etc… when you are setting up a system that has a backup heat source.


This thermostat will also allow you to run it from the power of your HVAC system or run it on battery power. Just hook up the common wire and the thermostat will run off of your HVAC system. The changeover of the unit from A/C to heat can be programmed to be either manual or automatic. Scheduling of the program can be done in many different ways. You can decide between 1 day, 7 day, 5+2, or 5+1+1, day. Four periods, 2 periods per day or nonprogrammable are all options also.

The keyboard can be locked completely or partially. With the purchase of additional sensors you can wire up remote indoor sensors. These can also be wired to average the temperature is you want to sample the temperature from more than one place. An outdoor sensor can be installed so that you can see from your thermostat the outdoor temperature.

A five year manufacturers warranty is standard and you will also get a thermostat that has earned the energy star rating.

on Jan 18, 2010 | Heating & Cooling

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I have a cple36-1...once the temp outside gets hot, it doesnt keep the house cool..thermostat is set at 76 and when i get home from work its 80+ inside. Weve had it checked freon is good and we keep the...

There are many parts of a cooling system - any one of them could be failing and causing the problem you describe. Any qualified HVAC professional should be able to quickly assess the problem and make recommendations for you.

Some common problems include: poor power (low voltage), faulty condenser fan, faulty evaporator fan, dirty filters, dirty evaporator coil, dirty condenser coil, faulty expansion valve, contaminated refrigerant, over or under charged, undersized unit for the space to be cooled, wrong program in thermostat (times, days, temperature, heat or cooling mode, etc.) and more.

If you asked for a technician simply to "check the refrigerant" - that may be all he did. If you ask a tech to "determine what the problem is" - you allow him to do more than simply what you ask him to check. Let him do the all the work he needs to do to determine the source of the problem. Good luck!

May 06, 2014 | Heating & Cooling

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Can i set it to a temperature that will allow it to turn on and off automatically

Any temperature you set it at, the AC unit will turn ON and OFF automatically. Once the set temperature has been reached and held for 5 minutes, the unit turns OFF, but the fan may continue to blow for a few minutes. When the room temperature rises above the set level, it will automatically turn ON again and continue to run, until the set temperature is reached and it turns OFF.

I really hope this has helped you and thanks for choosing FixYa.

Jul 21, 2011 | Whirlpool ACQ158XP Wall/Window Air...

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Depending on how far a part the units are from each other, one may be carrying the workload, leaving nothing, as far as humidity is concerned, for the other one to collect. In other works, one is cancelling the other out.

However, there are 5 basic, but solvable reason for what you described. Please pay particular attention to numbers 1 & 2.

1. The humidity extraction level is set to HIGH. Lower it to 32-35%.

2. Air intake filter is dirty or clogged. Turn unit OFF, & Unplug the
Unit, before removing to inspect & clean it, if necessary. If washed,
allow filter to completely dry before reinstalling. DO NOT operate
the unit without the filter.

3. Obstructed air flow. Maintain a minimum of 12 to 18" of clear air
space around the entire unit.

4. Cooling coils are dirty and need to be cleaned. Use warm water & dish washing liquid to clean
the coils. Rinse and wipe dry. Apply a light coating of WD40 to the coils.

5. Ambient air temperature at floor level is between 40 - 60 degrees.
dehumidifiers do not work well between those temperatures
(Unless, you have a Low Temp Unit). This applies mainly to
where the air temperature at floor level is colder than at shoulder
in basement applications . Raising the unit up off the floor,
onto a sturdy table, counter top, etc, that can handle the weight
of the unit, plus a full tank of water, will usually resolve this

If none of the above solves the problem, it may be a case of the compressor needs to be recharged with refrigerant gas or that the humidity condenser sensor has failed. These things usually occur in units that are 5 years old or older or that have not been properly maintained.. It's rare in a unit younger than that. But, it can happen.

Hope this helped you to troubleshoot and solve the problem.

Jul 05, 2011 | Haier 45Pint Dehumidifier DE45EAL

1 Answer

Thermostat set on 78 degrees, house temperature 86 degrees. What is the possible problem?

Does the furnace blower come on? If it does there is something wrong with the outdoor unit. Go outside and see if the unit outside is not running check to make sure the breaker is on and there is power to the outdoor unit. If there is power at the outdoor unit, the capacitor may be bad. Disconnect the power to the outdoor unit and open the electrical panel. there is a round or oval silver cylinder inside. If it is bulged at the top where the wires are connected, that is a true sign of failure. Take it out and take it to your local HVAC wholsaler or contractor and have it replaced. It should be around 30 dollars for it and its a simple and very common problem. If this does not fix it, I would call your local NATE certified technician to come take a look at it.

Jun 06, 2010 | Honeywell Heating & Cooling

1 Answer

What should be the correct supply and discharge temperature of a goodman hvac

Depending on the temperature & humidity level in your house, the temperature difference of the air entering your air handler and the air blown into your house should be in the 16 - 21 degF range. The temperature difference of the air entering your condensing unit and the air leaving your condensing unit should be between 25 - 30 degrees, with 30 degrees being for older model units. Anything above 30 requires cleaning.

May 25, 2010 | Goodman CKL60AR60 Air Conditioner

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The window unit is turned on, but doesnt seem to be very strong with blowing cold air . is there something that can be checked on the unit? something that can be replaced on the unit-like a filter? since...

first make sure the filter and coils are clean, then be sure you have it set for recirculate and not outside air allowance, and if ou wait til the room is very hot it will take a while to cool that room down to a comfort level. the fan and temperature control should both be at maximum if the room is very hot.

Jun 25, 2009 | Heating & Cooling

1 Answer

Cannot Find where air filter is?

You are looking for a thin cover that is held on with 1 or 2 screws.
(The one pictured in the circle,Yours may be located in the middle or opposite end)

Please rate this a fixya

Feb 09, 2009 | Carrier Heating & Cooling

1 Answer

Air conditioning unit

On a "Non Heat Pump" unit, icing of the pipes is not good. It is an indication that you either have a low freon level (Charge), low load, wrong superheat.
A low load usually means, in this case, something wrong with the air flow. Clogged filter, wrong fan speed, something blocking the return air grill, like a chair/ blanket, etc.
If low on charge, the evap (Indoor Coil) will ice up and the ice will then slowly creep along the pipe untill it gets to the outdoor unit. This is really no good. Air cannot go thru solid ice so naturally there is no cooling happening.
If a company replaces the outdoor unit (Condensing Unit), there is no warranty on the indoor unit. I do not know of any company that will repair an indoor coil (Evap). Just not smart money. They have to capture the freon, open the system, make the repair, ensure the correct level of freon is in the system, and most time, add a filter/ dryer for additional filtering and drying of the freon. With all that, no one is going to patch a leak on an old coil because if it leaks now, it's going to have another soon. You'll just be chasing leaks and spend money after money. Hope that makes sense. HVAC companys have to follow the EPA rules too. Leaving a system leaking above a certain percent of it's total charge is a major no-no. They will not do it.
Hope this helps clear up a few things and good luck.

Jul 11, 2008 | Goodman CLJ30AR32 Air Conditioner

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