TOH HW Panel AHS SHW LHG Widget Best Home Warranty Companies This Old House reviewed companies across the home warranty industry. These are our top 3 picks. Best Overall VISIT SITE 844-529-9298 Limited Offer: Get $50 Off Best Service VISIT SITE (888) 370-3956 $50 Off + 1 month free! Most Trusted VISIT SITE (866) 452-9107 $150 Off + 1 month free + free roof coverage!