How Ontario Landlords Should Handle Tenant Requests for Air Conditioning

Summers in Ontario are getting hotter. Tenants increasingly view air conditioning (AC) as a necessity rather than a luxury, and requests for cooling options are becoming common.

For landlords, these requests raise important questions: Are you obligated to provide AC? Who pays for installation and maintenance? What happens if tenants bring their own units?

The answers are found in Ontario’s Residential Tenancies Act (RTA), municipal bylaws, and Landlord and Tenant Board (LTB) decisions. Understanding these rules helps landlords handle requests fairly, maintain compliance, and avoid costly disputes.

Are Landlords Required to Provide Air Conditioning?

The RTA requires landlords to maintain rental units in a good state of repair and to meet health, safety, housing, and maintenance standards. In most municipalities, there is a maximum temperature standard but not a specific requirement to provide air conditioning.

For example, Toronto’s property standards bylaw requires landlords to keep indoor temperatures below 26°C if the building was constructed with central air. But if a building was not originally designed with AC, landlords are not legally required to install it.

In short, unless the lease specifies that air conditioning is included, landlords are generally not obligated to provide it.

When Air Conditioning Is Included in the Lease

If AC is listed as a service in the lease, the landlord must maintain it in good working order. This means repairing or replacing units as needed, just like heating systems, plumbing, or appliances. Failure to do so can result in tenant applications to the LTB and possible rent abatements.

Landlords who include AC in the lease should also be clear about whether electricity or hydro costs are covered in the rent or billed separately. Transparency at the start of the tenancy prevents disputes later.

Can Tenants Install Their Own Air Conditioners?

Tenants often buy portable or window units, especially in older buildings without central air. Under the RTA, tenants must obtain landlord consent before installing any equipment that could affect the structure or safety of the building.

Landlords may refuse consent if:

1. The installation poses a safety risk (for example, window units not properly secured).
2. The unit may damage the property or increase maintenance costs.
3. The building’s electrical capacity cannot support additional load.

If a tenant installs a unit without permission, the landlord may issue a notice of breach and apply to the LTB if necessary.

Charging Tenants for Air Conditioning

Ontario’s rent increase guideline applies to most rent hikes, but landlords may charge tenants extra for services like air conditioning if it is not included in the original lease. The key rule is that charges must be agreed upon in writing.

For example, a landlord may offer tenants the option to use an existing central AC system for an additional monthly fee. If the tenant agrees, the fee becomes part of the tenancy agreement. Without written consent, landlords cannot unilaterally charge extra for AC.

Some landlords also use seasonal surcharges (e.g., $50 per month for AC use in summer). These arrangements are valid only if tenants sign off on them.

Health and Safety Considerations

While AC is not always legally required, extreme heat is a growing health concern. Ontario’s Occupational Health and Safety Act recognizes heat stress as a workplace hazard, and municipalities are beginning to set maximum temperature standards for rental housing.

For landlords, ignoring tenant complaints about excessive heat can damage tenant relations and increase turnover. Proactively offering safe, affordable cooling options helps keep tenants comfortable and reduces the risk of conflict.

Best Practices for Landlords

To manage tenant requests for AC effectively, landlords should:

1. Review Lease Agreements

Ensure leases clearly state whether AC is included, and if not, how costs are handled.

1. Check Municipal Standards

Some cities, like Toronto and Mississauga, set maximum temperature standards for apartments with central air. Staying informed avoids bylaw violations.

1. Put Agreements in Writing

Any fees for AC must be documented. Written consent protects landlords from disputes at the LTB.

1. Inspect Installations

If tenants bring their own units, confirm they are safely installed and do not damage the property.

1. Plan for the Future

As summers get hotter, demand for cooling will grow. Landlords may want to evaluate long-term investments in energy-efficient AC systems that add value to their properties.

Final Thoughts

Air conditioning in Ontario rentals is not always a legal requirement, but it is becoming an expectation. The Residential Tenancies Act does not force landlords to install AC in every unit, but if it is included in the lease, landlords must maintain it. Tenants who wish to install their own units need landlord consent, and any extra charges for AC must be agreed upon in writing.

By balancing compliance with tenant comfort, landlords can protect their properties while meeting evolving tenant needs.

Contact Royal York Property Management today to learn how we help landlords manage tenant requests, comply with Ontario law, and keep rental properties running smoothly year-round.