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Having a new Goodman 95% efficient furnance installed and air conditioning. Should the cold air return ductwork be attached to the furnance side?? About a 2 inch space is there and a cardboard framed filter next to the furance which whistles very loud.

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It can be attached to the side,But it can be noisy if you dont have any bends in the return air ductwork.

Posted on Jul 15, 2009

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Changing the air filter on a goodman model # gpg13300701bb outdoor gas AC unit


There should be a panel to remove without needing to remove any screws. Or a panel that states AIR FILTERS. If not, you'll need to remove panel by panel, near the part of the unit where the ductwork connects. If no ductwork connects to the side discharge panels, start farthest away from the o.d. fan motor section. Turn off line voltage power first! Electricity and moving parts are inside and may cause bodily harm or injury. I normally install "Gas Packs" with a filter grille or filter base in duct for easy filter maintenance.

Sep 03, 2017 | Goodman Heating & Cooling

1 Answer

My Goodman furnance blowing cold air.I have 4 LED flashing lights


Reset the power to see if the furnace tries to light. If it tries & fails, it is an ignition issue ie hot surface igniter, dirty flame sensor. If the LED's still are lit up, it is most likely a limit that is open.

Mar 20, 2015 | Goodman Heating & Cooling

1 Answer

I am new homeowner of 60+ small ranch 1,000 sq ft. Home has 2010 Goodman gas furnace set into existing ductwork previously used for coal/wood furnace. Blows hot air into 2 cold air returns. HVAC man...


Look closely at the ductwork; determine which is your returns and which is your supply, and also check for" old baffles "that may be diverting your supply air into a return.
On the outside of the duck work you will see a wingnut or some have small handles that indicate the placement of the baffle and in the direction it is facing (vertical) will mean it shut off (horizontal) will mean that it is letting air pass through. If they're working properly and not loose.
It sounds like they had the old furnaces Duck work is in a loop for part of the home to recirculate the air that was heated .
that would be my guess without looking at it .
I hope this helps you, look in the right direction it's definitely duck work that is causing your problem.
Also get Mastick and UL ratedtape from your local hardware store to patch holes and cracks Old ductwork.
that will help You with the efficiency of your furnace.

Oct 16, 2014 | Goodman Heating & Cooling

1 Answer

Why does furnace heat cut back?


You might try checking your return filter. The new filters (pleated 3 month, ie real expensive ones) cut back your air flow 35% from the amount the regular 30 throw away allow. When air flow reduces the temperatur from furnace increases and can cause inadvertant high temperature limits to trip. If you are using a clean return filter, next you need to physically observe the air inlet side of your cooling coil to see if it is blocking air flow due to being dirty. If you have trouble with seeing the inlet, you might need to get a professional to take the air handler apart.

Oct 29, 2012 | Goodman Manufacturing...

1 Answer

I have a Ruud air conditioner model #13AJA36A01757. The temperture out of the vents is only 70 degrees while it is running. Outside unit, low side is very cold, and the high side is not hot, not even...


If your vents are in the floor, you need to inspect your return air ductwork, you may have some air leaks pulling hot attic air in thru the vents. If the supply vents are in the floor, the return duct may run through your attic, if the duct work is uninsulated or pulled apart, it will pull hot air thru the return, causing a mixture of cold and hot air, giving you a warm air movement through the ductwork. Many service men will not catch this problem. You need to turn the unit on, go up in the attic and visibly inspect the entire return air. I hope this helps you. mark

Aug 14, 2011 | Ruud Heating & Cooling

1 Answer

A couple of weeks ago my Goodman furnace went out. It happened to be a big snow storm here in Chicago. So I called my furnance repair co. that i usually use. They charged me $189.00 to come out to check...


Hi,
If the inducer fan is out of balance that badly, then you will need to replace the inducer anyway....it will shake its self apart....
Me I would have fixed the wire and then ordered a new inducer right a way and then installed it in a few days when it arrived...in is trouble waiting to happen...
Put the wire back on and get a new inducer coming...

heatman101

Here is a tip that wrote about how to buy heating and air conditioning parts online.

How to find Air Conditioning, Heating and Furnace parts online.



Feb 20, 2011 | Goodman CACF048B2A Air Conditioner

1 Answer

Service indicator light flashes 4 times. High limit switch?


There should be a diagnostic chart on the reverse side of the front panel. If in fact it is a high limit issue, check your air, condensate hoses and blockage of return air from the ductwork.

Jan 08, 2011 | Goodman Heating & Cooling

1 Answer

Cold air from ceiling vents when furnace kicks on. Can blower fan setting be retarded to avoid this cold air? There also seems to be a cold air downdraft from the cold air return in the ceiling. Is...


1. You can't change the blower timing at the beginning of the cycle (important to keep the heat exchanger temperature correct).
2. The issue isn't that cold air is going through the furnace itself, it's cold air in the ductwork.
3. It's likely that the cold air you feel from the return and the cold air in the ductwork are related in this way: many duct systems are imperfectly sealed and not that well insulated.
A home energy contractor (weatherization or energy auditor) might be your best resource to seal the ductwork and add insulation.
If this is the problem, then the good news is, your comfort issue can be solved and it will also save you lots of fuel, paying for the work to seal and insulate in very short order!
Good luck!

Dec 16, 2010 | Goodman Heating & Cooling

1 Answer

Need to locate filter on model PGJ042100-1


Filters are usually added to the sheetmetal seperate from the furnace. All air must be filtered before entering the furnace. Turn on heat and feel ductwork to determine which direction air flow goes, warm will be supply and room temp. will be return. Filter should be on return side of furnace. Some of them may be filter grilles located in a central reurn on older homes with only one return in a hallway or sometimes the correct ductwork is not installed and they are inside the bottom panel where return ducts connect

Feb 02, 2010 | Goodman Heating & Cooling

1 Answer

Installing new furnace with two zones


You will need a control to operate motorized zone dampers. In the ductwork, you will install a damper in each line going into the area you want zoned. If you have air conditioning you will also require a barometric relief damper that allows air to pass thru the ductwork and not restrict air over your A/C coil. Common controls are made by Honeywell and EWC.

If you already have the control module, you will run two or three (low voltage) wires from each motorized damper back to the control. Your thermostat wires (also low voltage) will run from each thermostat to the control module and connect to a zone relay. Match each zone by number. You will need to run power to the control module that will provide power to the thermostats as well as the motorized damper. Check on the reverse side of the control module and/or check on the web to find the wiring diagram.

Nov 21, 2008 | Goodman GMS90703BXA Heater

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