Does a Home Warranty Cover Preexisting Conditions?

What is a preexisting condition?

In the context of home warranties, a preexisting condition is any problem, defect or damage that existed in your home’s appliances or systems before your warranty coverage took effect. In other words, it’s anything that was wrong with an item before you signed the warranty contract.

Some examples of preexisting conditions include:

• HVAC problems such as a compressor that’s already failing or low refrigerant levels
• Plumbing leaks like dripping pipes, slow sewer line backups or visible water damage under sinks
• Electrical issues including overloaded breaker panels, faulty wiring or dead outlets
• Appliance failures such as a refrigerator that no longer cools properly or a dishwasher that won’t complete a full cycle
• Water heater defects like rusted tanks, an already broken heating element or units that can’t maintain hot water

While these are common issues covered by a home warranty, a provider may not pay for repairs if the issue occurred before you signed a contract, if the issue was easily detectable by a technician or if you knew about the issue.

Known vs. unknown preexisting condition

Preexisting conditions fall into two categories:

• Known preexisting conditions are issues the homeowner knew existed before getting coverage and did not rectify. These also include defects that would have been easy for an inspector to notice either visually or with a simple test during an inspection, such as a leaking pipe.
• Unknown preexisting conditions are defects that are not obvious during a visual inspection or ones an inspector cannot easily identify. You wouldn't know about them until the system or appliance breaks down.

» LEARN: What is a home warranty?

Home warranty coverage for preexisting conditions

Most home warranty companies do not cover preexisting conditions. Warranty plans are meant to protect you from future breakdowns caused by normal wear and tear, not to pay for repairs that were already needed when you signed up. For this reason, many companies have a 30-day waiting period before coverage begins.

When a company says it “covers preexisting conditions,” it almost always refers only to unknown issues. If the provider determines a defect is a known preexisting condition, the claim will be denied, even if that item is normally covered by the policy.

Why claims get denied

A provider will usually deny a claim if:

• The problem could have been found during a basic inspection
• The homeowner already knew something was wrong
• The system or appliance was installed incorrectly or not maintained

If the defect could have been found during a visual inspection or a simple test, most companies classify it as a preexisting condition, even if the homeowner did not realize something was wrong. If the company decides the problem existed before coverage started, it will refuse the claim.

When preexisting conditions may still be covered

Some companies make limited exceptions, including:

• Unknown preexisting conditions that could not be seen or detected during a normal inspection
• Optional add-ons or waivers that let you pay extra to cover certain preexisting issues
• Homes with clean inspection reports, where the defect could not have been reasonably discovered

Because every company sets its own rules, always read the sample contract. Look for how it defines “preexisting,” what counts as “detectable” and whether you can buy extra protection for older systems.

Preexisting condition exclusions by system or appliance

Home warranty companies often evaluate systems differently based on how easy it is to confirm when damage began:

• HVAC: Preexisting refrigerant leaks, nonworking compressors or units with improper installation are typically excluded.
• Plumbing: Visible leaks, corroded pipes or known sewer line root intrusion discovered before enrollment are denied.
• Electrical: Known code violations, burnt wiring or panel failures noted during inspection count as preexisting.
• Appliances: Units with missing parts, documented past failures or error codes before coverage begins are excluded.
• Roof leaks: Often excluded entirely unless the homeowner purchased optional roof coverage, and even then, leaks diagnosed before the policy start date are not covered.

How different home warranty providers handle preexisting conditions

Before enrolling, ask how the company defines “unknown,” whether it requires documented maintenance history and if it offers any preexisting condition waivers.

While most companies follow the same rules, definitions and exceptions vary. Key differences include:

• Inspection rules: Some providers require proof of a clean inspection; others do not.
• Waiver programs: Only a few companies sell add-ons that reduce preexisting denials.
• Definition of “detectable”: Some consider a simple test enough, while others allow more lenient standards.

How to protect yourself from preexisting condition claim denials

If you’re not sure whether your items have preexisting issues, your best strategy to minimize claim disputes is to pay for a home warranty inspection. A licensed inspector will check for damage and test that each appliance and system is functioning properly. You’ll receive a detailed report that outlines any repairs the inspector recommends.

Most warranty providers don’t require an inspection to sign up for a policy, but it’s in a homeowner’s best interest to have an accurate account of each covered item and its maintenance records.

If this inspection is done by a licensed professional before the warranty coverage begins, there’s a higher chance the provider will honor the homeowner’s claims. A home warranty inspection typically costs between $200 and $500, but it can be worth it to avoid claim denials later.

If a homeowner doesn’t have an inspection done before signing up for coverage or doesn’t have copies of recent maintenance records, it can be tricky to prove the condition was unknown. A technician hired by the provider can claim the issue would have been detectable, and you’ll be stuck paying full price for the repair.

Ultimately, it’s the homeowner’s responsibility to disclose everything they know about the state of all covered items.

What should you do if your items have preexisting conditions?

If you haven’t signed up for a home warranty yet and an inspection uncovers a preexisting condition, you should get the item fixed before signing up. If you’re in the process of buying a new house, you can often negotiate for a lower price or ask the seller to repair or replace the item. Keep all records related to the repair in case you need to show them to the provider and prove you rectified the situation.

Alternatively, you can always exclude any items from the home warranty plan, which may lessen the overall cost of the policy.

If you already have a home warranty plan and you’ve filed a claim, a repair technician will inspect the item and determine if the condition counts as a known or unknown condition. Known preexisting conditions usually include visible rust, cracks or missing parts. If this is the case, the provider will likely deny the claim, and you’ll have to pay for the repair out of pocket.

Alternative options for preexisting condition coverage

Home warranty providers sometimes offer specialized coverage add-ons to help homeowners deal with preexisting conditions. These often take the form of custom-tailored extended policies that include coverage for known preexisting issues. The downside is that these benefits come with extra costs.

If you’re concerned about preexisting issues, add-ons like these are worth discussing with your provider since they could save you money in the long run. Otherwise, you’ll need to pay out of pocket for any related repairs or replacements.

What do home warranties usually cover?

Home warranties offer homeowners helpful cost coverage for the replacement or repair of major appliances and systems damaged by everyday wear and tear. Coverage details vary, but most plans typically include:

• Electrical, HVAC and plumbing systems
• Kitchen appliances
• Laundry appliances
• Ceiling and exhaust fans
• Garage door openers
• Water heaters

Many providers also have add-on coverage for items such as swimming pools, spa equipment, well pumps, roof leaks, stand-alone freezers and central vacuums, to name a few. This specialty coverage often comes à la carte for a few extra dollars per item per month. This allows homeowners to tailor their coverage to their needs.

How to file a home warranty claim

When a covered item breaks down, you must file a claim with the provider by phone or online. Once the claim is approved, you’ll pay a service fee (typically $75 to $125) and the provider dispatches a qualified technician to either repair or replace the item.

While the process itself is straightforward, your contract will outline the terms and conditions of the policy, and there are often many exclusions or coverage limits to be aware of. So, it’s important you understand exactly what the plan covers and get clarification from the provider before signing up.

» MORE: What does a home warranty cover?

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