Does Ontario require air conditioning in rental housing?
Ontario's Residential Tenancies Act, 2006 does not generally require every rental unit to have air conditioning.[1] A tenant usually cannot demand that a landlord install central air or provide a portable unit simply because summer temperatures are uncomfortable. However, the rental property must meet applicable maintenance and health standards, and a landlord must maintain services and equipment that are included in the tenancy.
Extreme heat can still raise health and safety concerns, especially for tenants with medical vulnerabilities, young children, or disabilities. If indoor conditions become dangerous because of a building problem, contact the landlord promptly and explain the concern in writing.
When is a landlord responsible for air conditioning repairs?
If the landlord supplied a central air system, window unit, wall unit, or other cooling equipment as part of the rental, the landlord will generally be responsible for keeping it in working order, unless the tenant caused the damage. Ontario's maintenance standards require residential complexes to be maintained in a good state of repair and fit for habitation.[2] For a broader explanation of repair duties, see Routine Repairs in Rental Units: Tenant and Landlord Responsibilities.
- Report a failed air conditioner or HVAC component as soon as you notice the problem.
- Keep records of the temperature issue, your messages, service visits, and any receipts.
- Do not disconnect, alter, or damage equipment, and follow reasonable operating instructions.
- Ask the LTB for a repair order or other remedy if the landlord does not respond within a reasonable time.
What if air conditioning is mentioned in the lease?
Read the lease, advertisements, move-in inspection notes, and written messages to determine whether air conditioning was promised or included. A lease may identify central air, a particular unit, seasonal operation, or tenant responsibilities such as changing filters. If the landlord removes an included service or refuses to repair supplied equipment, that may be a maintenance or service dispute.
Tenants should not withhold rent or deduct repair costs from rent on their own. Instead, give clear written notice, allow reasonable access for inspection and repair, and use the LTB process if the issue remains unresolved. General rights and responsibilities are also summarized in Obligations of Landlords and Tenants: Rights and Responsibilities Explained.
Can a tenant install an air conditioner?
A tenant should check the lease and obtain written permission before installing a window or portable air conditioner. A window unit may require a secure bracket, electrical capacity, building approval, or compliance with condominium rules. The tenant may be responsible for installation damage, water leaks, removal, or increased electricity costs if the agreement says so.
- Ask for written approval before installing a window unit or making any change to the building.
- Follow safety rules and never use an unsafe extension cord or an unsecured window unit.
- Confirm who pays for electricity, installation, maintenance, and removal before buying equipment.
A landlord cannot use a lease term to avoid legal maintenance duties or permit unsafe conditions. If you are unsure whether a proposed installation affects habitability or safety, consult the municipality, the fire department, or a qualified technician. More general guidance is available in Health and Safety Issues Every Tenant Should Know When Renting.
How to report an air conditioning problem
Start by sending a dated written request that identifies the equipment, describes the problem, and asks when an inspection can occur. Be specific about any health or safety impact, but avoid exaggerating conditions. Under the Residential Tenancies Act, 2006, a tenant may apply to the LTB when a landlord fails to meet maintenance obligations, including an order to repair, a rent abatement, or other appropriate relief depending on the evidence.[3]
- Gather the lease, photographs, temperature logs, repair records, and copies of all communications.
- Send a written repair request and provide reasonable access for inspection or service.
- Allow a reasonable repair period while continuing to document the condition and follow up.
- File a Tenant Application about Maintenance or Health and Safety, commonly Form T6, if the issue is not resolved.[4]
Do not stop paying rent, hire expensive repairs without discussing them with the landlord, or block lawful entry without a valid reason. If the problem presents an immediate danger, contact emergency services or local public health authorities as appropriate.
Can a landlord enter to inspect or repair an air conditioner?
For a non-emergency inspection or repair, a landlord generally must give at least 24 hours' written notice stating the reason, date, and time of entry, with entry during permitted hours. An emergency may allow entry without the usual notice. Tenants should provide reasonable access while protecting their privacy and asking for a clear appointment window.
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Frequently Asked Questions
- Does every Ontario rental unit need air conditioning?
- No. Ontario law generally does not require every rental unit to have air conditioning, but included equipment and serious maintenance or safety problems can create landlord responsibilities.
- Who repairs an air conditioner supplied by the landlord?
- The landlord generally arranges and pays for repairs to supplied equipment unless the tenant caused the damage or the tenancy agreement lawfully assigns a specific minor task to the tenant.
- Can I install a window air conditioner without permission?
- Usually, you should obtain written permission first because installation may affect the building, structure, electrical system, safety, or condominium rules.
- What can I do if my landlord will not repair included air conditioning?
- Give a written repair request, preserve evidence, allow reasonable access, and consider filing a T6 application with the Landlord and Tenant Board if the issue remains unresolved.
How-To: Report an Air Conditioning Problem
- Gather your lease, photos, temperature records, receipts, and earlier messages.
- Send the landlord a written description of the problem and request an inspection or repair.
- Provide reasonable access and allow a reasonable time for the landlord to respond.
- Submit a T6 application to the Landlord and Tenant Board if the repair problem continues.
Help and Support / Resources
- Landlord and Tenant Board for applications, hearings, and tenant information.
- LTB forms including the T6 Tenant Application about Maintenance.
- Ontario Building Code information for building and safety requirements.
