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Data & Insights July 13, 2026 4 min read

Seasonal Patterns in Warranty Claims: When Most Defects Get Reported

Warranty claims are not evenly distributed throughout the year. Understanding seasonal patterns can help you know when to look more closely for defects in your own home.

Claims Cluster Around Weather Events


Warranty claims are not evenly distributed across the calendar. Certain categories of defects reveal themselves, or worsen, at predictable points in the year, driven largely by weather and the way homes are used seasonally.


Spring: The Water Intrusion Season


Spring rains expose roofing, flashing, and grading defects that stayed hidden through a dry winter. Claims related to leaks, foundation drainage, and window seal failures tend to spike in the months following the first sustained rains of the year.


Summer: HVAC Strain Reveals Installation Defects


As outdoor temperatures climb, HVAC systems run near their maximum capacity for the first time since the home was built. Undersized systems, improper refrigerant charge, and poorly sealed ductwork, defects that were invisible during mild weather, become obvious when a system cannot keep up with summer heat.


Fall: The Pre-Winter Rush


Homeowners who have been putting off minor issues often file claims in early fall, prompted by the instinct to get repairs done before winter weather makes access more difficult. This is also when heating systems get tested for the first time since installation, surfacing furnace and ductwork defects on the mechanical side.


Winter: Structural and Settling Issues Surface


Cold weather causes materials to contract, which can make existing drywall cracks, nail pops, and gaps more visible than they were in warmer months. Foundation issues tied to frost heave are also more likely to be noticed during the coldest stretch of the year.


The Month-11 Spike


Independent of season, claims volume spikes sharply around the eleven month mark of ownership, as homeowners rush to document issues before the first year workmanship warranty expires. This spike is less about weather and more about the calendar of the warranty itself, a pattern that shows how much of homeowner behavior is deadline driven rather than proactive.


What This Means for You


If you know that certain defect categories tend to surface in certain seasons, you can look for them proactively rather than waiting for them to become obvious. Check your attic and roofline after the first heavy spring rain. Test your HVAC system's performance early in the summer rather than waiting for a complaint. Walk your foundation perimeter in the first cold snap of winter.


Do not wait for a defect to demand your attention. Look for it on its own schedule.

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