Whether you’re a first-time generator owner or a seasoned homeowner, the time will come when you need to replace your standby generator. As equipment ages, breakdowns become more frequent, leading to increased repair costs and part replacements. Eventually, it may be more cost-effective to replace the generator altogether.
Upgrading to a new standby generator can save thousands of dollars in the long run, thanks to a new warranty, improved reliability, and increased efficiency. Here’s how to determine when it’s time to replace your home standby generator.

Signs It’s Time to Replace My Standby Generator
With proper annual maintenance, most standby generators can operate reliably for 10 to 15 years. However, if your generator frequently runs for extended periods or hasn’t been well-maintained, it may require constant repairs as it ages.
Here are some key warning signs that indicate it may be time to replace your standby generator:
✔ Frequent breakdowns and costly repairs – Constant service calls add up over time.
✔ Declining efficiency and longer startup times – Your generator should start quickly and smoothly.
✔ Struggles to handle power loads during outages – If it can’t keep up with your home’s energy needs, it may be failing.
✔ Difficulty finding replacement parts – Older models may have obsolete parts that are expensive or impossible to replace.
The True Cost of Keeping an Aging Generator
The average warranty on a home standby generator lasts five years. During this time, repairs and part replacements may be covered. However, once the warranty expires, you may face significant repair costs—especially if your generator hasn’t been properly maintained.
For many homeowners, the choice comes down to replacing a failing engine or investing in a brand-new generator:
💰 Generator Engine Replacement → Costs range from $5,000 to $8,000, depending on the make and model.
⚠ Obsolete Parts → Older generators may have discontinued parts, making repairs difficult or even impossible.
🔄 Full Generator Replacement → A new unit typically costs between $6,000 and $10,000, depending on size and features.
If your current generator is reaching the end of its lifespan, replacing it before a complete failure can save you money and stress.
Benefits of Replacing My Standby Generator
Upgrading your standby generator before it fails offers long-term benefits, including:
✅ New Warranty Coverage → Avoid unexpected repair costs with a fresh manufacturer warranty.
✅ Improved Fuel Efficiency → Save money with lower operational costs.
✅ Advanced Technology → Enjoy a quieter, more reliable, and energy-efficient system.
✅ Higher Power Capacity → Get better performance during extended outages.
✅ Increased Home Value → A newer generator boosts resale appeal and buyer confidence.
Choosing the Right Replacement Generator
When replacing your standby generator, selecting the right installer is just as important as choosing the generator itself. Here’s why:
🔹 Authorized Service Dealers – Work with a certified installer backed by the manufacturer to ensure your system is installed correctly, up to local code, and meets manufacturer specifications.
🔹 Washington Generators: Trusted Experts – As a leading installer, we provide professional service so you can feel confident your new generator will be there when you need it most.
Find the Right Generator for Your Home
Not sure what size generator you need? Check out our generator sizing tool to determine whether you should stick with the same size or upgrade to a larger system.
If you’re ready to replace your standby generator, schedule an appointment with us today! Washington Generators offers fully customized solutions to fit your home’s backup power needs. Whether you’re upgrading from partial home backup to whole-home power, we’ve got you covered.
👉 Contact Washington Generators today for a free consultation!