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RV Rooftop Air Conditioner Extension Kit for Thick Roofs (3.5–9")
RV Rooftop Air Conditioner Extension Kit for Thick Roofs (3.5–9")
RV Rooftop Air Conditioner Extension Kit for Thick Roofs (3.5–9")
Description

Perfect Fit Extension Solution for Thicker RV Roofs

This RV rooftop air conditioner extension kit is designed to expand installation compatibility for thicker RV roofs from 3.5" to 9".

Featuring a 5.5" extension height and included 9.8" long mounting bolts, this kit provides the additional clearance needed for thicker roof installations while maintaining a secure and reliable connection.

Unlike universal extension pieces that require cutting or modification during installation, this extension kit is precision designed to match our original air outlet duct, allowing it to fit perfectly without cutting the extension piece. The optimized design makes installation simple and ensures compatibility with different roof thicknesses.

Made with the same high-quality foam sealing material as the original duct, it provides excellent sealing performance, helps prevent air leakage, and maintains efficient cooling airflow.

Key Features

  • Fits thicker RV roofs: Compatible with roof thickness from 3.5" to 9"
  • No cutting required: Pre-designed to fit different roof heights without trimming the extension piece
  • Perfect match with original RV AC air outlet duct
  • 5.5" extension height provides additional installation clearance
  • Includes 9.8" long mounting bolts for thick roof applications
  • Uses the same foam sealing material as the original duct for improved airtightness
  • Helps reduce air leakage and maintain cooling performance
  • Easy installation with a factory-style fit

Package Includes

  • 1 × RV AC extension piece
  • 4 × 9.8" long mounting bolts

RV Rooftop Air Conditioner Extension Kit for Thick Roofs (3.5–9")

Regular price $49.00
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Free Delivery (2–5 business days)

Description

Perfect Fit Extension Solution for Thicker RV Roofs

This RV rooftop air conditioner extension kit is designed to expand installation compatibility for thicker RV roofs from 3.5" to 9".

Featuring a 5.5" extension height and included 9.8" long mounting bolts, this kit provides the additional clearance needed for thicker roof installations while maintaining a secure and reliable connection.

Unlike universal extension pieces that require cutting or modification during installation, this extension kit is precision designed to match our original air outlet duct, allowing it to fit perfectly without cutting the extension piece. The optimized design makes installation simple and ensures compatibility with different roof thicknesses.

Made with the same high-quality foam sealing material as the original duct, it provides excellent sealing performance, helps prevent air leakage, and maintains efficient cooling airflow.

Key Features

  • Fits thicker RV roofs: Compatible with roof thickness from 3.5" to 9"
  • No cutting required: Pre-designed to fit different roof heights without trimming the extension piece
  • Perfect match with original RV AC air outlet duct
  • 5.5" extension height provides additional installation clearance
  • Includes 9.8" long mounting bolts for thick roof applications
  • Uses the same foam sealing material as the original duct for improved airtightness
  • Helps reduce air leakage and maintain cooling performance
  • Easy installation with a factory-style fit

Package Includes

  • 1 × RV AC extension piece
  • 4 × 9.8" long mounting bolts
RV Rooftop Air Conditioner Extension Kit for Thick Roofs (3.5–9")
Regular price $49.00

See What RV Experts Are Saying

Inverter RV Air Conditioner

Why Choose it

The inverter compressor operates smoothly without constant cycling on and off, leading to lower energy consumption and higher efficiency. This steady operation helps maintain a stable indoor temperature, providing a consistently comfortable environment inside your vehicle.

Energy Efficient

EER=12

Up to 12 hours of cooling with 12V 400Ah battery

Low power consumption

Consumes just 0.3 kWh per hour

Quiet comfort at night

No Sleep Disruption

Whisper-quiet 45dB sleep mode

Where We Build Your Orders & Customer Feedback

FAQs

What's the indoor unit color for Black A/C Unit

There are both white inside plinth for the black Unit and white Unit

 If it can be used while driving or is it only to be used while parked? 

Absolutely — the unit is designed to run whether you're driving or parked, making it perfect for off-grid travel or long road trips.



Can these A/C units be mounted vertically rather than horizontally?

Rooftop A/C units are designed for horizontal (flat) installation only and cannot be mounted vertically. Installing them vertically may affect performance and could lead to operational issues.

What are the power cable specifications for the air conditioner units?

Each unit comes with its power cable, pre-installed with fuses for safety. The details are as follows:

12V Unit: 5 AWG cable, 15 ft long, with two fuses (120A and 150A)

24V Unit: 8 AWG cable, 15 ft long, with two fuse (80A and 80A)

48V Unit: 9 AWG cable, 15 ft long, with two fuses (60A and 50A)

All cables are included with the unit

What roof thickness is your rooftop air conditioner compatible with?

Our rooftop air conditioner comes with an included air duct and mounting screw kit that is suitable for vehicles with a roof thickness between 5 cm and 9 cm.


For thinner roofs:

A proper installation can be achieved by adding spacers/shims or by trimming a portion of the air duct. You can refer to our YouTube installation video for detailed guidance.

For thicker roofs:

The air duct can be extended through DIY solutions or by using aluminum foil tape to lengthen the duct as needed.

And, we plan to release a dedicated air-duct extension kit as a separate product in the future, which will be available for purchase.

If you have any questions about your specific vehicle, feel free to contact us for further assistance.

What is the correct torque specification during installation, especially for the mounting bolts and nuts?

Mounting bolts (main threaded rods):

Tighten by hand until they can no longer be turned. Do not overtighten at this stage, as an M8 anti-slip lock nut will be installed afterward to further secure and reinforce the threaded rod.

M8 lock nuts (anti-slip nuts):

Tighten to a torque of 4.5–5.5 N·m.

Flange nuts:

Tighten by hand until snug (until they can no longer be turned by hand). Excessive force is not required.

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Contact

Email: info@countrymodpro.com Call: +86 15266213132 On Line Service: 5:00 PM - 2:00 AM Pacific Time (PT), Mon-- Fri. Address: Room 1303, Unit 3, Building 6, No. 803 Jinshui Road, Qingdao City, Shandong Province, 266199, China

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