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Electric Heater Kit for Coleman-Mach Medium and Low-Profile RV Air Conditioners - 120V
Coleman-Mach

Electric Heater Kit for Coleman-Mach Medium and Low-Profile RV Air Conditioners - 120V

Part Number: CM96RR
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$85.89
Retail:$111.69
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This electric heater kit fits your medium or low-profile Coleman Mach RV air conditioner. 1-800-940-8924 to order Coleman-Mach accessories and parts part number CM96RR or order online at etrailer.com. Free expert support on all Coleman-Mach products. Great prices and Fastest Shipping for Electric Heater Kit for Coleman-Mach Medium and Low-Profile RV Air Conditioners - 120V. Accessories and Parts reviews from real customers.
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Coleman-Mach Accessories and Parts - CM96RR

  • RV Air Conditioners
  • Heat Strip
  • Coleman-Mach

This electric heater kit fits your medium or low-profile Coleman Mach RV air conditioner.


Highlights

  • Takes the Chill Off: Adds just enough heat to make spring and fall nights more comfortable without needing to run your furnace.
  • Runs on 120V Shore Power or Generator: Adds quiet, electric heat without burning through your propane.
  • Compatible with Select ACs: Works with medium and low-profile Coleman-Mach RV rooftop AC units.

Features to know about

Just Enough Heat When the Temperature Dips

Temperatures can dip a little lower than comfortable during the spring and fall camping months. Cooler cabin temps can make for great sleep, but you also don't want to get so chilly that you have to stumble around, half asleep in the middle of the night to find a blanket. And you know if you turn the furnace on, you'll end up too hot to sleep. That's where this electric heater kit comes in handy. It installs into your Coleman-Mach AC and takes the edge off so you don't have to go through the trouble of digging out extra blankets or kick your furnace on and sweat all night. It runs quietly on 120V power, whether you're plugged in at a campground or running a generator, and helps keep you comfortable so you can extend your camping seasons.

Specs

Compatibility:

  • Fits medium and low-profile Coleman-Mach RV rooftop air conditioners

Electrical:

  • Power: 120V AC

General:

  • Intended as a supplemental heat source, not a replacement for a furnace
  • Warranty: 1-year limited
  • Designed, engineered, assembled, and tested in the USA using globally sourced components


38203-4551 Coleman Mach Electric Heater Kit for Medium and Low Profile RV ACs - 120 Volt





Customer Satisfaction Score:

Ratings & Reviews

3.4

7 reviews
Review sort icon
This electric heater kit fits your medium or low-profile Coleman Mach RV air conditioner.

by:



by:

Barely does anything

Lazer S. profile picture
Etrailer Expert

Lazer S.

1/13/2026

Sorry to hear that, Thomas. I will say heat strips are just going to take the immediate bite out of the air and will not be a heater, per se. This only pushes 5,600 BTUs, so it will really just keep things from freezing. What did you install this in?



by:

Heater plugged in and works great!



by:

Fits perfect and install was easy.



by:

Can’t rate the product because it was not the right item for what I needed.

Mike L. profile picture

Mike L.

3/5/2026

Sorry to hear it's not what you were needing. What part are you on the search for?



by:

Should have listened to the skeptics. Not even toaster warm



by:

Didn’t work on the control box that I got with ac unit


7
7

See what our Experts say about this Coleman-Mach Accessories and Parts

  • Looking for Heat Pump for Coleman Mach AC Unit
    Hey Sam, it sounds like you are looking for the Electric Heater Kit for Coleman-Mach Medium and Low-Profile RV Air Conditioners # CM96RR which puts a small heater into the Coleman Mach units.
    view full answer...
  • Heat Strip For The Coleman-Mach Signature Mach 3 RV Air Conditioner CM48RR
    Hi Beau! To add a heat strip to the Coleman-Mach Signature Mach 3 RV Air Conditioner System - Ductless - 13,500 Btu - Textured Black # CM48RR, you are going to want the Coleman-Mach Electric Heater Kit for RV Air Conditioners - 120V # CM96RR. This will fit the medium and low profile Coleman-Mach ACs, and the Signature Mach 3 is a medium profile AC, so you are good to go. This heat strip kit also includes everything you need to add it on, so no other parts will be needed to get it installed...
    view full answer...
  • Would Coleman Mach 10 RV AC Unit Have Heat Strip
    Hey Dan, if your Coleman Mach 10 had the heat pump I am sure you would know by now. It should be listed in the product name on the unit but you can also look at the product number on the unit. If it starts with 45004 then it is a model that has the heat pump. Now if you had the heat strip that would have had to have been added on later. It would be the part # CM96RR so you can look for that. It would be manually controlled with it's black knob. The SoftStart # SSR54FR would be a really...
    view full answer...
  • Is It Easy To Replace Old RV AC Unit With Complete Kit From Coleman Mach?
    Hey Jared, these are about as straightforward as a full AC replacement gets because they’re complete matched systems. You will however need to hardwire the ac unit into the old wiring, as you would with any ac unit. So whether you go with the Coleman-Mach Signature Mach 3 # CM83RR or Coleman-Mach Roughneck Mach 3 # CM95RR (for more off-road use), you’re getting the rooftop unit, the ducted air distribution box, and the wall thermostat together. You’re not piecing parts together from different...
    view full answer...
  • Replacement Coleman-Mach Rooftop AC Unit In Camper 13,500 BTU
    Good afternoon Nia, the Coleman-Mach Signature Mach 3 # CM97RR is a good 13,500 Btu rooftop AC option, but it is the rooftop unit only. Since this is one of the newer R32 refrigerant units, you would only be able to replace just the rooftop AC by itself if your current Coleman-Mach setup already uses compatible modern R32 components. If your existing AC system is more than a couple years old, you'll need to replace the matching interior components too so everything works together correctly....
    view full answer...
  • Will Heat Strip Help In Chilly Weather Camping Using Coleman Mach AC Units?
    Hey Cheryl, I’d think of the Coleman heat strip # CM96RR as a comfort add-on, not a true furnace replacement. It’s a great option if you want to take the chill out of the cool mornings, but I would not count on it to do the same job as your RV furnace in genuinely cold weather. That applies across the ducted systems you’re looking at, including units like the Signature Mach 15 # CM52RR, Roughneck Mach 15 # CM65RR, Signature Mach 3 # CM83RR, and Roughneck Mach 3 # CM95RR. It’s a nice upgrade...
    view full answer...
  • Heat Strip for Coleman-Mach Signature Mach 15 RV Air Conditioner System
    Hey Mike, welcome back! The correct heat strip for the Coleman-Mach Signature Mach 15 # CM32RR is the Electric Heater Kit for Coleman-Mach Medium and Low-Profile RV Air Conditioners # CM96RR. There is an empty location in the ADB to mount it, and then it plugs right in with that 2-prong connector. You won't have to hardwire anything. Any big trips coming up once you get the 3rd AC installed on your Montana?
    view full answer...
  • Does Coleman Mach AC Unit Come With Gasket And Heating Element And Thermostat?
    Hey there Jordan! The Coleman-Mach Signature Mach 3 RV Air Conditioner System - Ductless # CM38RR does indeed come with the gasket necessary for installation. There is no thermostat on the wall as you mentioned, so you just use the controls on the ac distribution box. Then for the heat strip you will want to add Electric Heater Kit for Coleman-Mach # CM96RR since it's not included. That should get you taken care of! Is there anything else you had questions about? And do you have any...
    view full answer...
  • AC System For Small Travel Trailer With Electric Heat Strip For Fall Weather Camping
    Good morning Tomas, I’d go with the GE Appliances Deluxe Plus # GE34RR for that. It’s a complete ductless 15,000 Btu system, so it includes the rooftop AC, air distribution box, thermostat, and controls. That's plenty of cooling capacity for a smaller camper. It also has the heat pump built in, which is nice for cool mornings when you’re plugged into shore power and don’t want to fire up the propane furnace. Just remember this is the ductless kit, so it’s for RVs without ceiling AC vents....
    view full answer...
  • Is It Worth Adding Electric Heater Kit To Coleman Mach AC Unit In RV?
    Hey Cheryl! Yes - if you want a little extra warmth for cool mornings, the optional heat strip # CM96RR is worth looking at with the ductless Coleman systems like # CM58RR, # CM68RR, # CM93RR, and # CM88RR. The big thing is just having the right expectation. It’s great for taking the chill off, but I would not treat it like a full furnace replacement. For a lot of spring and fall campers, though, that’s exactly the kind of extra heat they want. Cheryl, if you want, tell me what camper...
    view full answer...
  • Should I Replace Just The Coleman AC Unit Or Replace The Whole System In My Camper?
    Hey Andre! If your current Coleman-Mach system is already a modern R32 setup, then the Coleman-Mach Signature Mach 3 # CM97RR would work as a rooftop-unit-only replacement. An easy way to check is to look at the data tag on your current rooftop unit or the paperwork for your ceiling assembly - if it doesn’t specifically show R32 compatibility, I’d assume it’s the older style. New units are not backward compatible since the R32 refrigerant change. Assuming you need a whole new system, for...
    view full answer...
  • Replacement Coleman Mach AC Unit 13,500 BTU For Midsized Camper
    Hey Rafael! I'd go with the Coleman-Mach Signature Mach 3 # CM97RR if you want the 13,500 Btu rooftop unit. Just keep in mind it’s the rooftop AC only, so you’ll need the correct air distribution box to complete the setup unless you already happen to have the modern R32 refrigerant. The new units aren't backwards compatible so you'd need to replace the other components if you have the older R410 refrigerant which got changed over a couple years ago. For a ductless camper, use the Coleman-Mach...
    view full answer...
  • AC Unit Option For Enclosed Camper Conversion
    Hey Luis! The Coleman-Mach # CM73RR is the full ductless 15,000 Btu system, so it’s a strong option if you’re cooling one open area and want direct airflow from the ceiling assembly. It includes the rooftop unit and matching ductless air distribution box, so you won’t need to piece together the ceiling controls separately. You also won't need to run wiring for a thermostat since it's all contained inside the ceiling controls :). For a smaller camper, 15K Btu can be a lot of cooling, but...
    view full answer...
  • Adding AC Unit To Horse Trailer Build - Ductless Where Air Blows From Ceiling Unit
    Good morning Malik, for a new ductless install I’d look at the Coleman-Mach Signature Mach 15 # CM73RR. It’s a complete 15,000 Btu system, so it includes the rooftop unit and the matching ceiling air distribution box. You’ll get simple ceiling controls and direct airflow without needing ductwork. It also fits the standard 14-1/4 inch x 14-1/4 inch AC roof opening and can use the Coleman-Mach heater kit # CM96RR if you want light electric heat later. Are you cutting a new opening, Malik,...
    view full answer...
  • Adding Second AC Unit To Garage Area Of 5th Wheel Toy Hauler That Is Already Pre-Wired
    Good morning Briar, the Coleman-Mach # CM73RR would work well for that kind of separate garage AC setup if you want a complete ductless system. It includes the 15,000 Btu rooftop unit and the matching air distribution box, so it can be controlled right at the ceiling instead of tying into your front thermostat. That makes it a clean option for toy hauler garages, bunk rooms, or other separate spaces. It fits a standard 14-1/4 inch x 14-1/4 inch roof opening and can use the Coleman-Mach...
    view full answer...
  • Standalone AC Kit For Rear Garage Bay Of Toy Hauler That Has It's Own Manual Controls, No Thermostat
    Hey Soren! Yes, the Coleman-Mach # CM73RR makes a lot of sense for that kind of separate rear-bay setup. It’s a complete ductless 15,000 Btu system, so it includes the rooftop AC and the matching air distribution box with controls right at the ceiling. That means it does not need to tie into the thermostat for the living quarters. As long as that rear area has the proper framed roof opening and wiring for an AC, this gives you a self-contained cooling setup for that space. It's also a...
    view full answer...
  • Can I Add Second AC Unit To Bedroom Of RV For When Off-Grid And Don't Need To Cool The Whole RV?
    Good morning Yasmin, yes a 13,500 Btu unit can make a lot of sense for a bedroom second AC, especially if that room is smaller and you do not need the same capacity as the main living area. I’d look at the Coleman-Mach Signature Mach 3 # CM97RR. If the bedroom is ductless, pair it with # CM46RR. If it ties into ceiling ducts, use # CM36RR. I’m assuming it’s non-ducted and doesn’t have ceiling vents in that prepped AC spot. If it’s not prepped at all and you’re cutting a new hole in the...
    view full answer...
  • Replacement Options For Older Coleman Mach 13,500 BTU AC Unit On Older Keystone RV
    Hey Boone! If the 13.5K Coleman-Mach kept up before, I’d stay in that same size range with the Coleman-Mach Signature Mach 3 # CM97RR. It’s a 13,500 Btu rooftop unit, so you’re not oversizing the replacement just because the old one failed. Just keep in mind # CM97RR is the rooftop AC only. If your current system is older and does not specifically show R32 compatibility, plan on replacing the inside parts too since they aren't backwards compatible: # CM46RR for ductless or # CM36RR for...
    view full answer...
  • Coleman AC Complete Kit For Camper With No Ductwork In Ceiling
    Hey Camille! For a no-duct camper where you want a complete Coleman-Mach setup, I’d go with the Coleman-Mach Signature Mach 15 # CM73RR. It’s a complete ductless 15,000 Btu system, so it includes the rooftop AC and the matching air distribution box. That gives you simple ceiling controls and direct airflow into the camper without needing ductwork. It fits a standard 14-1/4 inch x 14-1/4 inch roof opening and can also use the Coleman-Mach heater kit # CM96RR if you want a little electric...
    view full answer...
  • Adding AC Unit To Weekend Camper DIY Build - Is Coleman Mach A Good Option?
    Good morning Benson, yes the Coleman-Mach # CM73RR is a solid pick for that kind of build. It’s a complete ductless 15,000 Btu system, so you get the rooftop AC and the matching ceiling air distribution box together. The controls are right at the ceiling, and the air blows directly from the air box instead of needing ductwork. It fits a standard 14-1/4 inch x 14-1/4 inch roof opening, and you can add the Coleman-Mach heater kit # CM96RR later if you want light electric heat. Are you cutting...
    view full answer...
  • AC Unit Complete Kit With Heat Strip For Chilly Mornings - RV With Ducted AC Vents In Ceiling
    Hey Cheryl, if you want a comfort-minded setup, I’d recommend either the Coleman-Mach Signature Mach 15 # CM52RR or the Signature Mach 3 # CM83RR, depending on the size of your RV and how hard your current AC has to work in summer. Then I’d pair it with the optional heat strip # CM96RR. That gives you a complete ducted AC replacement for summer, plus a little electric heat to take the chill off on cool mornings. I just wouldn’t treat the heat strip like a furnace replacement. It’s more...
    view full answer...
  • Replacement Ducted AC Unit Setup For 2020 Forest River Salem With Ceiling AC Ducts
    Hey Amara! The Coleman-Mach # CM97RR is the rooftop AC unit only, so you’ll still need the correct interior components to finish the system. Since your Salem has ceiling ducts, you’d pair it with the Coleman-Mach ChillGrill Air Distribution Box # CM36RR. That setup gives you a 13,500 Btu cool-only Coleman-Mach system for a ducted RV. The rooftop unit fits a standard 14-1/4 inch x 14-1/4 inch opening and has a listed cooling draw of 12.8 amps, which makes it one of the easier ones here...
    view full answer...
  • Will Coleman Mach 3 AC Rooftop Unit Work On Small Camper Build Instead Of Full Complete AC System?
    Hey Amelie! You can still use the Coleman-Mach AC system # CM97RR for a ductless install, but you’ll need to add the correct air distribution box since the rooftop unit does not include the inside ceiling assembly. For a ductless setup, pair # CM97RR with the Coleman-Mach Deluxe Air Distribution Box # CM46RR. That gives you the rooftop 13,500 Btu unit plus the ceiling assembly needed for direct airflow into the camper. If you want light electric heat later, the Coleman-Mach heater kit...
    view full answer...
  • Is There A Coleman Mach AC Setup For Ductless RV That Has Air Blowing Directly Out Of AC Unit Box?
    Hey Elise! Yes, the Coleman-Mach # CM73RR is a complete ductless 15,000 Btu system, so it comes with both the rooftop AC and the matching air distribution box. That makes it a good choice when you want a straightforward replacement with ceiling controls. It fits a standard 14-1/4 inch x 14-1/4 inch roof opening and has adjustable front and rear dampers to help direct the airflow. You can also add the Coleman-Mach heater kit # CM96RR if you want light electric heat for chilly mornings....
    view full answer...


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Info for this part was:

Employee Jameson C
Expert Research:
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Employee Mary K
Edited by:
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Employee Matthew S
Written by:
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Installed by:
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Updated by:
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