We guarantee if you are not saving at least 10% on your kWh usage we will buy back you Peak Energy Savers. Campground owners typically save between 15-20%.We help you test your savings by comparing last year’s bills, camper nights and weather with the same three months within the first year of installing your Peak Energy Savers. There is also an option to do a short run test that takes about 3 weeks. Either way, you can rest assured that your Peak Energy Savers will prove they work hard every day to save you money!