1. Think Twice Before Installing Solar on an Older Roof

I typically advise against installing a new solar system on a roof that’s older than five years. When it’s time to replace your roof, you’ll not only face the cost of the roof itself, which could be upwards of $10k, but also the cost of removing and reinstalling your solar system—an expense that can average around $6,500. Synchronizing your solar installation with a roof replacement can help you avoid these extra costs and potential issues down the line.

2. Be Cautious with Small Local Installers and Lean Towards Large National Companies

While supporting small local installers might sound appealing, it’s important to be aware of the potential risks. The solar industry has seen significant turnover in the past 15 years, with many smaller companies unable to stay afloat. This often leaves customers without warranties or support. In contrast, large national solar installation companies are generally more stable and have a higher likelihood of honoring their warranties for the next 20 years. These are long-established companies that have done a decent job standing by their warranties. So, when choosing your installer, consider the company’s longevity and stability.

3. Opt for Enphase Micro Inverters or SolarEdge Optimizers and Top-tier Solar Panels

For a standard build-out, I highly recommend Enphase micro inverters or SolarEdge optimizers. These are products of long-established companies with a track record of honoring their warranties. This technology allows you to independently monitor the performance of each panel. Pairing these with top-tier solar panels, like SunPower or Q-Cells, ensures optimal system performance and longevity.

4. Always Install a Critter Guard if You Live in the Northeast

If you’re in the Northeast, don’t underestimate the potential damage that squirrels can cause to your solar panels. Attracted to the soy-based wiring, squirrels can cause significant damage. Installing a critter guard, costing around $1,000, can save you upwards of $5,000 in future repairs and replacements.

5. Negotiate a Removal and Reinstallation Clause if Installing on an Older Roof

If you must install a solar system on a roof that’s more than five years old, make sure you’re partnering with a company that is likely to be around for a long time. Insist that they include a clause in the contract stating that for a set price (for instance, $3,000), they will remove and reinstall the system when necessary. If they’re not willing to include this provision, it’s a red flag, and you may want to reconsider.

Switching to solar power is a long-term commitment to your home and the environment. Take the time to do thorough research and consider these tips to make the best decisions for your unique situation. Enjoy the clean, renewable power of the sun for many years to come!