Understanding Heat/Hot Water Issues for Ontario Tenants

Utilities & Services Ontario 3 min read · published March 09, 2026 Flag of Ontario

As a tenant in Ontario, encountering issues with heat or hot water can disrupt everyday life. Understanding your rights and knowing how to address these problems with your landlord are crucial steps to ensuring a comfortable living environment.

In Ontario, heat and hot water are expected to be reliable at all times in a rental unit. Keep a log of daily indoor temperatures and outages, with dates and times, and gather photos or receipts as evidence when you report issues. When you contact your landlord, state what you’re experiencing and what remedy you’re requesting, and note deadlines or a reasonable timeframe for repair.

Tenant Rights and Landlord Responsibilities

Under the Residential Tenancies Act, 2006, landlords are required to provide adequate and reliable heating. The law mandates a minimum indoor temperature of 20°C from September 1 through June 15 1. Tenants have the right to expect hot water at a safe temperature year-round.

The law requires a minimum indoor temperature of 20°C from Sept 1 to June 15 and reliable hot water year-round. If these standards are not met, document it and request prompt repair; persistent failures can justify an LTB application.

Common Heat/Hot Water Issues

Common problems include inadequate heating, malfunctioning water heaters, and inconsistent water temperatures. If you face these issues, it's important to first notify your landlord or property manager in writing, offering them the chance to resolve the problem.

When you notify your landlord in writing, describe each issue clearly, note dates and times observed, and attach any photos or videos. Ask for a specific remedy and a timeframe for repair, and keep a copy for your records.

Action Steps for Tenants

  • Document any issues with detailed notes and photographs.
  • Notify your landlord in writing with accurate descriptions of the problem.
  • If unresolved, consider applying to the Landlord and Tenant Board (LTB) for assistance.
Example: “I am requesting an urgent repair of the furnace and hot water heater, to be completed by [date]. I have attached photos and a log of temperatures and outages since [date]. Please confirm receipt and your plan for remedy.”
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If Problems Persist

Should your landlord fail to address the issues, tenants can file an application with the LTB using Form T6. This form can be found on the official LTB website. In this scenario, documenting communication and attempts to resolve the issue becomes vital.

Keep copies of all communications and proof of service when you file with the LTB. If you plan to use Form T6, submit it promptly and be aware of any deadlines specific to your region or hearing date.

Understanding Repairs and Maintenance

Both landlords and tenants have roles to play in maintaining a rental unit. While landlords must ensure essential services, tenants should report any malfunctions promptly. For more insights, check Routine Repairs in Rental Units: Tenant and Landlord Responsibilities.

For more comprehensive rights covering various living situations and issues, refer to Tenant Rights in Ontario.

Explore Your Rental Options

While enduring heat or hot water issues, it might be time to look for alternative accommodations. Explore Houseme for nationwide rental listings to find a comfortable new home.

  1. What should I do if my landlord isn't fixing heating or hot water issues? Start by notifying your landlord in writing and keep a record of all communications and issues. If the problem remains unsolved, file a complaint with the LTB.
  2. What are my rights regarding heating during winter in Ontario? Landlords must provide heating that maintains an indoor temperature of at least 20°C from September 1 to June 15.
  3. Can I withhold rent if I don't have heat or hot water? Withholding rent is a violation of the rental agreement. Instead, pursue a resolution through proper channels such as the LTB.
  1. How to file a T6 Application for maintenance issues
    1. Obtain Form T6 from the LTB website.
    2. Complete the form, detailing the issues and attempts to address them with your landlord.
    3. Submit the application to the LTB, either online or in person, and await further instructions.

Need Help? Resources for Tenants

If you need support or guidance with these issues, contact the following resources:

  1. 1 Residential Tenancies Act, 2006, s. 4.

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David Chen
David Chen

Tenant Law Analyst, Tenant Rights Canada

David specializes in Ontario residential tenancy law and Northern territories housing regulations. He has followed developments at the Landlord and Tenant Board closely for over eight years and writes extensively on LTB procedures, rent increases, and maintenance obligations.

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