20 Most Recent Carrier 38CKC042 Air Conditioner Questions & Answers


What tonnage is my unit carrier model 38by018300

1.5 ton is the 018. 3 ton is the 036.
1/5/2019 2:11:01 PM • Carrier 38CKC042... • Answered on Jan 05, 2019

York model NXA642GKA100 - what i sthe tonnage?

3.5 tons 42000 BTUs 16 SEER it's all in the model #
2/17/2018 12:49:01 AM • Carrier 38CKC042... • Answered on Feb 17, 2018

I have a six year old carrier high wall split air

Might be dirty coil so unit is shutting off on high head pressure. Clean coil
2/1/2018 1:38:13 PM • Carrier 38CKC042... • Answered on Feb 01, 2018

My Carrier AC outside unit

I maybe able to help you but you need to clearly tell me again.
12/25/2017 4:57:08 PM • Carrier 38CKC042... • Answered on Dec 25, 2017

I have 2 zones, both of which are programmed. The

Are these reading temps at 2 separate tstats or are you using temp sensors that send the temp back to the stat. It sounds like the sensor is not communicating with the stat. If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79
6/14/2017 9:22:23 PM • Carrier 38CKC042... • Answered on Jun 14, 2017

What is e4 code of

Need model. Number or name. E4 is several different codes for carrier. Likely a temp sensor from what I'm seeing. If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79
5/15/2017 8:53:14 PM • Carrier 38CKC042... • Answered on May 15, 2017

Need to know the tonnage of my carrier ac unit

3&1/2 ton
8/14/2015 2:28:17 PM • Carrier 38CKC042... • Answered on Aug 14, 2015

What ton is model number 541B028SHP

3&1/2 ton if it is model 38ckco42.
8/14/2015 2:17:22 PM • Carrier 38CKC042... • Answered on Aug 14, 2015

How much should it cost?

$125.00 would be a fair price
4/23/2015 7:39:46 PM • Carrier 38CKC042... • Answered on Apr 23, 2015

I need to know the

Your Carrier 38CKC042 Air Conditioner has a cooling capacity of 3.5 Tons.

See the performance specs and cooling capacities for all different models of 38 CKC models listed at the Carrier Support page at the following link:


And here is the Online Owner's Manual for that model from the Carrier website:


To view the Support Page or the Owner's Manual with Operating Instructions just use your mouse to click on the link, which is the underlined and highlighted text just above. This will open a new web browser page automatically for you and allow you to view the information at the website indicated or the contents of the Owner's Manual.

You may need ADOBE READER installed on your computer to read PDF documents. You can download this free at WWW.ADOBE.COM if necessary. Click on the DOWNLOAD ADOBE READER button on right side of the ADOBE home page when you get there, and then just follow the onscreen instructions to install it.

See the PERFORMANCE AND SIZING CHART at the support page and look beside your model (042) for the corresponding performance details, efficiency rating, dimensions, and weight.

Please comment back here to this page if you have any questions, have difficulty accessing the links, or just require further general assistance and I will respond as soon as I see it.

Thank you very much and good luck.

2/21/2015 6:31:41 PM • Carrier 38CKC042... • Answered on Feb 21, 2015

Carrier electric furnace

what are you talking about. Turn the thermostat back up. It shouldn't matter what you set the thermostat too because it is just a switch that tells the temperature.
12/26/2014 5:33:10 AM • Carrier 38CKC042... • Answered on Dec 26, 2014

Age and tonage of carrier 38CKC036350 S/N 2005E40526

its a 3 ton unit manufactured in 2005 
the 36 in the model number indicates tonnage 12,000 btu's to a ton times 3 equals 36
the 2005 in the serial indicates year made not sure what month but if i had to guess i'd say May of '05
Thanks Peyton
12/5/2014 11:05:16 PM • Carrier 38CKC042... • Answered on Dec 05, 2014

Hi- Can not tell if my unites are straight cool / heat or a heat pump.

if you look inside the condenser unit outside,see if you see the big reversing valve,if not it is a straight cool,heat, the heat strip ins in the air handler so you would have to take the side panel off and look for the heat stripe,my the way heat pumps also have a aux.heat stripe just in case it does not get cold enough outside,hope this helps you-mike
11/21/2014 8:28:31 PM • Carrier 38CKC042... • Answered on Nov 21, 2014

Furnace won't turn on

Have you checked to see if the fan motor is getting hot. Sometimes a system will shut down if the fan motor is causing the reset fuse to break the circuit due to heat. If that is the problem just a replacement of the motor will usually fix the problem.
9/17/2014 4:07:15 PM • Carrier 38CKC042... • Answered on Sep 17, 2014


3 1/2 ton
8/12/2014 7:11:49 PM • Carrier 38CKC042... • Answered on Aug 12, 2014

Tonnage of my Carrier AC Unit

3 1/2 ton unit the 042 tells me.
8/3/2014 7:57:48 AM • Carrier 38CKC042... • Answered on Aug 03, 2014

How much will parts and labor cost?

A 3.5-ton Carrier CK....OK the run capacitor will be a 370 volt variety, likely 20 bucks tops....given that this is SINGLE capacitor dedicated to the compressor ONLY. A BIT more if (as is likely) it is a 3-terminal compressor/condenser motor capacitor. I assume you mean 'contactor' and this toy should be another $30+/- $5. (Hopefully the diagnosis you got was correct!) That aside, MOST folks in the residential realm use some sort of "flat-rate" system. Replacing the capacitor is ONE job and the contactor is another. If this is a commercial property (OR if you are aligned with a commercial entity), look for a contractor that will make the repair on a "time and materials" basis. One trip, 2 parts...time element should be MINIMAL. Good luck!
7/5/2014 6:22:23 AM • Carrier 38CKC042... • Answered on Jul 05, 2014
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