The Hot Yoga Factory Chelmsford is a Hot Yoga & Hot Pilates studio offering classes in the Bikram Method Hot Yoga (90 min.) & Inferno Hot Pilates (60 min.) Open to all fitness levels. Located 2 Blocks off Hwy. 495 at Route 110 across from the Chelmsford Post Office. Easy, free parking. Towel and mat rentals. Retail Boutique selling yoga clothing and accessories. Showers available. Our hot room utilizes Zebra Athletic Flooring specifically made for yoga. The nonporous surface (it's not carpet) is eco-friendly and cleans easily without the use of harmful chemicals and no odor.