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PermaCover

Residential Series - Copper HVAC Line Set Cover Extensions - Additional 5 Foot Extension Section

Residential Series - Copper HVAC Line Set Cover Extensions - Additional 5 Foot Extension Section

SKU4x4-16/O/EXT.-COPP

Regular price $214.00
Sale price $214.00 Regular price $267.50
You Save: $53.50
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Ships in 1–2 business days
Estimated arrival: May 21 – May 23
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PRODUCT DESCRIPTION

  • Extend the coverage of your HVAC line sets with our Residential Series Copper HVAC Line Set Cover Extensions. These premium quality extensions ensure a seamless and durable finish, providing unlimited linear coverage for your HVAC installations.

    • Premium Quality: Made from 99.9% 16 Ounce Pure Copper, these extensions offer superior protection and a polished look. Fabricated and shipped in the USA.

    Multiple Sizes

    • All extensions are made in 5 FT sections, available in widths of 4" x 4", 6" x 4", 6" x 6", and custom widths upon request. The 6" x 4" size is 6 inches wide and 4 inches deep.

    Simple and Easy Installation

    • Designed to easily fit over the line set cover for a smooth, overlapping connection. The tapering design allows the extensions to telescope with our Residential Series Copper Metal HVAC Line Covers for a seamless finish. Each order includes matching sheet metal screws to secure the seams.

    Multiple Materials and Colors

    • In addition to copper, we offer extensions in various materials such as 26 Gauge Painted Steel, Galvanized, Galvalume, Paintable Steel, Aluminum Diamond Treadplate, and 26 Gauge Stainless Steel. Explore our full Metal HVAC Line Set Cover Extensions Collection for more options.
    • Fabricated from the exact same 16 Ounce Copper as our Copper Line Set Covers for a consistent and seamless finish.
    • Note: Actual line set cover extension color may differ due to varying monitor settings. Please contact us for color samples or additional photos.

    All product prices include free Standard Shipping in the Lower 48 States.

    As an authorized national dealer for PermaCover, MRCOOL DIY Direct offers high-quality metal air conditioning line set covers, made in America, for all types of residential and commercial HVAC needs.

    Have a Question? We know our products and are happy to help!

        Rated 4.7 / 5 Stars
        4700+ Verified Reviews

        Comfort That Speaks for Itself

        See why homeowners and pros alike trust MRCOOL DIY systems to deliver comfort, savings, and easy installation.

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        I never thought I’d install my own HVAC system, but MRCOOL made it possible. The instructions were easy, and the pre-charged lines saved me from hiring a tech. Cools my garage workshop perfectly!

        Jason R., North Carolina

        Our MRCOOL mini-split runs really quiet — you can barely tell it’s on. Our electric bill dropped about 35% this summer. Very impressed with the efficiency

        Megan L., Arizona

        Installed this in my detached office. Took me a Saturday morning and a friend to lift the outdoor unit. Works flawlessly — heats in winter and cools in summer.

        Daniel P., Texas

        I swapped my old central unit for two MRCOOL DIY mini-splits. Same comfort, way lower bills. The inverter technology really makes a difference.

        Jennifer C., Florida

        Had a small question during installation and Vanessa picked up right away. They walked me through it step by step — best customer service I’ve had in years.

        Chris B., Ohio

        Keeps our sunroom comfortable in 100°F summers and comfy in the winter. The heat pump feature is amazing — one system for both heating and cooling!

        Angela K., Kentucky

        I’ve remodeled a few homes, and MRCOOL DIY systems are a game-changer. No need for HVAC pros or special tools — everything is plug-and-play.

        Brandon S., Tennessee

        Why Buy from MRCOOL DIY Direct?

        Trusted nationwide for MRCOOL DIY systems, support, and installation guidance.

        🏆
        Top MRCOOL Dealer

        Trusted nationwide for DIY mini split systems.

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        DIY System Experts

        Specializing in MRCOOL DIY systems and support.

        📦
        Fast Shipping

        Quick delivery across the lower 48 states.

        📞
        Real Support

        Help with sizing, compatibility, and installation.

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        Family-Owned

        Based in Missouri, serving nationwide.

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        Complete System Guidance

        We help you get everything needed for install.