Safe and Cost-Effective Methods for Lifting and Suspending Your Roof Air Conditioner During Shingle Replacement

Introduction

Is your air conditioning unit resting on your roof, and you're in the midst of replacing damaged or aged shingles? While the traditional methods involving cranes and extensive disconnection may seem daunting, there are simpler, DIY-friendly solutions that can help you achieve your roof maintenance goals swiftly and efficiently.

DIY Guidance for Lifting and Suspending Your Roof Air Conditioner

For those seeking the most straightforward approach, you can lift and suspend your roof air conditioner (AC) without the need for a crane or extensive dismantling. Here's a step-by-step guide that involves minimal tools and some basic carpentry knowledge.

Using a Pry Bar and 2x4

Begin by gently prying the AC unit slightly. All you'll need is a pry bar and a short piece of 2x4 wood. Insert the pry bar under the support frame of the AC unit. Position the 2x4 under the handle of the pry bar and apply gentle downward pressure to lift the frame a bit. This slight lift is enough to allow space to slip shingles under it. Continue this process on each side of the unit to complete the shingle replacement.

Temporary Platform for Easier Access

For added safety and convenience, build a platform that allows you to work comfortably under the roof. This platform should be sufficiently high to accommodate your body while you work. After building the platform, carefully move the AC unit to the ground for re-plumbing. Alternatively, if the expected life of the unit is short, consider replacing it. A roof AC from the 1960s might need to be upgraded, especially if it's over 40 years old.

Alternative Methods for Lifting the AC Unit

If the flexibility of the pipework allows, you might be able to lift each end of the AC unit slightly to slide shingles in place. This method is not advisable for all models, so proceed with caution based on your specific unit's design. If you're unsure, consider hiring a professional to carefully move the unit off the work area.

Mitigating Risks and Ensuring Safety

Removal and relocation of the air conditioner, even for a short term, can pose risks such as refrigerant leakages that are no longer legal to purchase after 1996 due to the phase-out of R-12 refrigerant. Therefore, it's crucial to have a detailed plan in place. If you opt to lift the AC unit, ensure that all electrical connections and pipe work have sufficient play to accommodate the lift.

Using Lifting Blocks for Precision Replacement

For precise placement, you can use L-shaped blocks. Place a 6x2 board longitudinally along the row of new shingles you've just laid. Lay two more 5x2 boards at right angles to the 6x2 on either side of the AC unit. Slowly lift the AC unit onto these 5x2 boards, slide it under the new shingles, and repeat this process for each side of the unit. Adding a few more rows of shingles and then systematically removing the blocks will allow you to proceed with your work.

Conclusion

While lifting and suspending your roof AC during shingle replacement may seem challenging, the right tools and a strategic approach can make the process more manageable. Whether you choose to lift and slide the AC, build a temporary platform, or plan a professional relocation, ensure that the method you choose is safe and precise to avoid any complications. By following these steps and precautions, you can successfully complete your DIY roof AC project with minimal disruption to your roof's aesthetic and functionality.