Published on this website: October 19, 2026
A-Z Insurance · Information checked: 2026-10-11 · Original publication date unknown
Replacing a major home system is a good time to organize your invoices, installation details and insurance records. Accurate information can make renewal reviews and future claims easier to assess.
It does not follow that every unreported upgrade automatically leads to a denied claim. The practical approach is to discuss significant work before it starts, supply the completed project details, and ask whether your insurer needs to change the policy.
A material change is more than an outdated detail
Statutory Condition 4 in section 148 of Ontario’s Insurance Act addresses changes that are material to the insured risk and within the insured’s knowledge and control. Prompt written notice to the insurer or its local agent is required; otherwise, the affected part of the contract may be avoided. Materiality depends on the facts and applicable terms. A clerical error or an outdated equipment year does not automatically invalidate the entire policy. Ontario Insurance Act, section 148
Updating a safer replacement is sensible recordkeeping. It should not automatically be described as concealing risk if the update was missed. If you are unsure, send your broker a written description and ask whether it must be forwarded to the insurer, supported with documents or reflected in an endorsement.
Three updates worth discussing
Roof replacement or substantial repairs
Keep the installation date, roofing material, scope of work and invoice. Distinguish a full replacement from a patch or partial repair. If construction will expose the building or change how it is occupied, discuss insurance before work begins.
Furnace, heat pump or heating-system replacement
Record the equipment type, installation date and contractor details. Clearly identify a change of fuel or the addition of equipment such as a wood stove. Ask whether the insurer requires an inspection, policy amendment or other conditions for the particular installation.
Water heater and plumbing upgrades
Save the model, installation date, purchase or rental details, and information about any associated pipework. Mention leak alarms or automatic water shut-off equipment and ask whether they qualify for an available protection credit.
These are useful reporting prompts, rather than a universal list of mandatory amendments. Additions, basement renovations, extensive rewiring or plumbing work, and moving out during construction also deserve an early discussion. Insurance Bureau of Canada warns that renovations can change coverage needs and may require builder’s risk insurance. IBC’s renovation guidance
Is there a universal replacement age?
Do not treat 15 or 20 years as an industry-wide deadline for every roof or water heater. Check the manufacturer’s instructions, professional assessment and any specific requirements in your policy or underwriting correspondence. If your insurer sets a replacement deadline, ask what must be replaced, by when, and how non-completion would affect coverage.
Also distinguish a worn-out component from damage caused by an insured event. For example, IBC explains that some resulting interior damage from a roof leak may be covered while repairs to a roof deteriorated by wear or poor maintenance may not be. The cause of loss and policy wording matter. IBC’s water-damage guidance
Will an upgrade lower the premium?
Some protective devices and system upgrades may qualify for a discount. That is not a promise that reporting a project will reduce the premium or leave it unchanged. A higher rebuilding cost, changed coverage and other pricing factors can affect the final quote. Ask which credits apply, what evidence is required, and what the revised limits and premium will be. IBC on home-insurance discounts
Keep a straightforward update record
- Before work: describe the project, timing, estimated cost and whether you will remain in the home
- After work: send invoices, photos and relevant installation or inspection documents, identifying what was actually completed
- After confirmation: retain the insurer’s response or endorsement and check the updated details
- At renewal: review occupancy, rebuilding limits, equipment information and deductibles; report important changes sooner
FSRA encourages homeowners to review coverage and ask about exclusions, replacement cost and available discounts. A review helps align insurance with the home as it is today. It cannot guarantee that every future loss will be covered. FSRA’s property-insurance questions
If you have recently replaced a roof, furnace or water heater, contact A-Z Insurance with your project details to discuss the information that needs updating.
Phone: 905-707-2929. Email: info@azinsure.ca.
This article provides general information for Ontario homeowners, not individualized insurance or legal advice. Coverage, underwriting requirements, discounts and claims outcomes depend on applicable law, the policy and the facts.

