Tell your landlord and put the problems in writing and give the list to the landlord. If the landlord refuses to do the repairs, you can find more information on how to deal with the situation on the Ontario Landlord & Tenant Board site.
What should I do for repairs to my unit?
About the Author: Amit Kalia
Amit is a full time local REALTOR® with RE/MAX Real Estate Brokerage Inc. in Mississauga. RE/MAX is Canada's #1 real estate company. Team Kalia serves property sellers, first time buyers, investors, landlords, new immigrants and non-residents in Mississauga including Square One City Centre area. Team Kalia offers a 30 Days Sold Guarantee to Sellers. They also provide tenant finding services to their investor clients.