Union offers hot flow and hatha classes in a sun-filled wide room. For those who are just getting into hot yoga, the studio offers warm flow classes heated at 30 degrees (compared to 34 degrees in regular classes). They also offer a Hot Karma Flow class where you PWYC.

At Gyan Yoga you'll find a combination of fast and slow-paced hot yoga classes with dynamic and Hatha classes. Gyan is owned by three brothers raised in New Delhi, and trained in the Himalayan region of India. They offer some of the least expensive classes in the city.

This popular Beaches studio offers classes that move you through one hour and 90 minute hot yoga in a guided practice. Their classes are typically hotter, longer and more intense than most studios so prepare to really, really sweat through a session.

This Church St. studio is described as "hip, irreverent and joyful" by owner Susan Emery who is a long-time Iyengar yoga practitioner. Go here for hot vinyasa and fusion classes in rooms with infrared lamps to detoxify the body.

This Junction studio takes you through a range of hot yoga practices like Iyengar, Anasura, Yin and restorative yoga for beginner and advanced students. Breathe is known for its knowledgeable instructors who create a community space and invite you to hang out in the tea lounge before and after your practice.

YYoga is one of the larger studios in Toronto with locations on Queen West and the Harbourfront. The YHot is the signature class with slow postures in a heated 40 degree class. The space is clean, spacious and modern in the downtown core.

This Yonge and Bloor studio offers Hatha, Ashtanga and Power flow classes, as well as detox classes that incorporate strength, balance and a bit of cardio. There's lots of twisting and backbends during a detox hot class which ensures maximum elimination of toxins.

This Leaside studio focuses on doing one thing really well - hot power yoga first thing in the morning. Classes range from 60 to 90-minutes and are offered as non-heated also. There's also the au-naturale class which is taught in a naturally heated studio.

Kula Yoga is beloved in the Annex community. The instructors are knowledgeable and are proud to share their strengths and skills with you throughout the practice. There are two rooms where yoga is practiced. The main room which has a fireplace, hosts the hot yoga.

Yoga Tree offers hot classes at beginner and advanced levels. There's heated and reduced heat studios and a range of classes that offer Hatha, Vinyasa, Jivamukti and Ashtanga practiced in one of its two bright studios and heated at 38 degrees. Reduced heat is at 28 degrees.

Tucked away near Bathurst and Wellington, Moksha Yoga is one of the bigger studios that focuses on hot yoga. Moksha advises that you have some knowledge and practice with yoga before hitting their hot yoga classes. It gets hot in there, and some of the sessions are intense.