Novaform, known for its budget-friendly mattress line, has its top-rated model on sale at Costco for up to $120 off. The Novaform 14″ ComfortGrande mattress has received over 12,000 positive reviews and boasts a 4.4-star rating, making it one of the best mattresses available at Costco. It features cooling technology with heat-dissipating materials and gel infusions, making it ideal for hot sleepers. Side sleepers will appreciate its medium firmness rating, providing adequate support. While Costco doesn’t offer sleep trial periods, it provides a generous 20-year warranty. This limited-time deal is expected to end next week, so act quickly to take advantage of these savings.