What Is a Home Warranty? A Complete Guide for Homebuyers and Homeowners

Learn how home warranties work, what's covered, what isn't, and whether purchasing one makes sense when buying a home.

By Daniel Amodeo
President of Amo Realty

Published: July 27, 2026

Buying a home comes with excitement, but it also comes with responsibility. One of the biggest concerns for new homeowners is the possibility of expensive repairs shortly after moving in. If the furnace stops working in the middle of winter or the water heater suddenly fails, repair costs can quickly reach hundreds or even thousands of dollars. That's one reason many buyers consider purchasing a home warranty.

A home warranty is an optional service contract designed to help cover the repair or replacement of certain home systems and appliances that fail because of normal wear and tear. Unlike homeowners insurance, which protects against unexpected events such as fires, severe weather, theft, or liability claims, a home warranty focuses on mechanical failures involving covered equipment inside the home.

Most providers offer several types of plans. Some focus primarily on major systems like heating, cooling, plumbing, and electrical components. Others cover household appliances such as refrigerators, ovens, dishwashers, washers, dryers, and built-in microwaves. Comprehensive plans combine both categories, and many companies allow homeowners to purchase optional coverage for pools, spas, septic systems, well pumps, additional refrigerators, roof leak protection, and other specialty items.

When a covered system or appliance stops working, homeowners generally submit a claim to the warranty company either online or by phone. The company then assigns one of its approved contractors to inspect the problem. If the contractor determines the issue falls within the terms of the warranty agreement, the company typically authorizes the repair or replacement. Homeowners usually pay a service call fee for each visit, while the warranty covers eligible repair costs up to the plan's limits.

Although home warranties can provide valuable financial protection, they don't cover everything. Most contracts exclude pre-existing conditions, cosmetic issues, improper installation, damage caused by neglect or poor maintenance, structural components, windows, foundations, and many exterior features. Every provider has its own exclusions, coverage caps, and claim procedures, making it important to carefully review the contract before purchasing a plan.

One of the most common misconceptions is confusing a home warranty with homeowners insurance. These products serve completely different purposes. Homeowners insurance protects against sudden accidental losses caused by covered events, while a home warranty helps with certain mechanical failures that naturally occur as appliances and systems age. Many homeowners choose to have both because they complement each other rather than overlap.

Home warranties are especially common during real estate transactions. Sellers often include a one-year warranty as an incentive to buyers, particularly when selling an older home with aging mechanical systems or appliances. Offering a warranty can provide buyers with additional confidence while helping sellers distinguish their property from competing listings. In other situations, buyers choose to purchase their own warranty after closing for added peace of mind. Regardless of who pays, a home warranty is generally optional and is rarely required as part of the purchase process.

Before purchasing a home warranty, buyers should compare more than just the annual premium. Coverage limits, service call fees, exclusions, contractor availability, response times, and customer reviews can all vary significantly between providers. Understanding these details beforehand can help avoid frustration if a repair becomes necessary later.

A home warranty isn't the right choice for every homeowner. Buyers purchasing newly constructed homes may already benefit from builder warranties, while others may prefer setting aside money in a home maintenance fund rather than paying an annual premium. Ultimately, the decision depends on the age and condition of the home, the buyer's financial situation, and their comfort level with handling unexpected repair costs on their own.