Coleman | Mach 15 Plus RV Air Conditioner | 38204-0665 | 48204-0665 | 15,000 BTU | Roughneck | White
Introducing the Coleman Mach 15 Plus Roughneck Series RV Air Conditioner (Model 38204-0665) — a reliable and powerful cooling solution for your RV. This eco-friendly unit with R-32 refrigerant offers the highest cooling output in the Mach Series. The Roughneck Series delivers high-efficiency cooling performance combined with fortified interior construction designed to withstand rough, off-road, and heavy industrial vehicle applications. With a robust 15,000 BTU cooling capacity and easy installation, this white air conditioner is an excellent choice for a wide range of RVs.
- 15,000 BTU cooling capacity capacity ensures powerful and efficient cooling
- Easy replacement, fits any standard 14" x 14" roof opening
- The Roughneck Series features fortified interior construction to handle rough, off-road, and heavy industrial vehicle applications
- 2-year parts and labor warranty (send in warranty card after installation)
- Versatile installation options: Suitable for both ducted and non-ducted systems, providing flexibility for your RV configuration and preferences
- Part numbers 38204-0665 and 48204-0665 correspond to the same air conditioner model
- Requires ceiling assembly based on configuration
- Ships with $99 Truck Freight, requires ceiling assembly based on configuration
Note: All new replacement RV air conditioner units come with a pre-installed roof compression gasket on the base of the unit.
This gasket is designed to provide a proper seal between the A/C and the RV roof, ensuring a secure and leak-resistant installation.
No additional sealant or roof gasket is required for the rooftop AC unit.
Need help confirming fitment?
Our team at United RV Parts is here to help you find the right replacement or parts for your RV Air Conditioner.
Text or call 817-984-1852 with the make and model number of your existing water heater and we’ll make sure you get exactly what you need the 1st time.
Product Overview
Experience superior cooling performance on your RV adventures with the Coleman-Mach 15 PLUS Roughneck, a premium 15,000 BTU RV air conditioner (Part Number: 38204-0665). Boasting a reliable 15,000 nominal BTU cooling capacity, this unit stands out as an exceptional value for demanding applications. Renowned for its dependable performance, it is a preferred choice for RV owners who require powerful and consistent cooling. Its increased cooling capacity comfortably supports a wide range of RVs, ensuring interior comfort even in extreme conditions. Designed for easy installation in standard 14" x 14" roof openings, the seamless setup process allows for quick replacement or upgrades. Featuring a rugged white exterior, it is built to withstand harsh environments including off-road travel and industrial vehicle use. As part of the Roughneck Series, it delivers high-efficiency cooling combined with fortified interior construction for durability on rough terrain, and it is backed by a 2-year parts and labor warranty (registration required after installation), making the Coleman-Mach 15 PLUS Roughneck a dependable and powerful cooling solution for life on the road.
Additional Instructions:
Instructions for purchasing all required parts:
- Select your preferred ceiling assembly (required to complete installation)
- Add the Heat Strip - optional but recommended when replacing your unit
- Choose your wall thermostat and control box (if applicable)
Coleman Ceiling Assembly for Non-Ducted Installations
Coleman Ceiling Assembly for Ducted Installations
Coleman Ceiling Assembly for Non-Ducted installations with Wall Thermostat


