Planning on making big purchases for your home this holiday season? Before you do, you may want to check out J.D. Power's rankings so that you can be a better educated consumer. J.D. Power 2018 Home Security Satisfaction Study J.D. Power 2018 Smart Thermostat Satisfaction Report J.D. Power 2018 Kitchen Appliance Satisfaction Study AND the J.D. Power 2018 Laundry Appliance Satisfaction Study --related: J.D. Power 2018 Appliance Retailer Satisfaction Study J.D. Power 2018 Vacuum Satisfaction Study J.D. Power 2018 Mattress Satisfaction Report J.D. Power 2018 Kitchen Cabinets Satisfaction Study --related: J.D. Power 2018 Home Improvement Retailer Satisfaction Study J.D. Power 2018 Windows and Patio Doors Satisfaction Study J.D. Power 2018 Paint Satisfaction Study