All statistics cited on this page represent national averages based on publicly available research data. Individual results vary based on home size, age, location, and condition. Home Decision Research is not affiliated with any of the organizations listed below. Sources are cited for attribution and transparency only. Home Decision Research is a division of Everstead Media LLC and is not a licensed contractor, insurance broker, or financial advisor.
Reference 1
Claim supported: $8,808 average annual home maintenance cost; 42% increase since 2020; $21,400 total hidden annual homeownership costs including taxes, insurance, utilities, and repairs
Pearl
Home Maintenance Cost: Annual Report 2026
https://pearlscore.com/news/home-maintenance-cost-annual-report-2026
Pearl cites Bankrate 2025 as underlying data source for the $21,400 figure.
Secondary confirmation source
Bankrate
Hidden Costs of Homeownership Average $21,400 Annually Nationwide
https://www.bankrate.com/f/102997/x/a6a85bbbeb/hidden-costs-of-homeownership-press-release-final-1.pdf
Reference 2
Claim supported: 37% national homeowner insurance claim denial rate; rate has risen from 24.9% in 2004
Weiss Ratings / National Association of Insurance Commissioners (NAIC)
Large Property Insurers Respond to Climate Change by Denying Homeowner Claims
https://weissratings.com/en/weiss-news/large-property-insurers-respond-to-climate-change-by-denying-homeowner-claims
Reference 3
Claim supported: 48% of homeowner claims closed without payment among the 14 largest US insurers
Weiss Ratings / NAIC
14 Large U.S. Insurers Closed Nearly Half of Homeowner Claims with No Payment in 2024
https://weissratings.com/en/weiss-news/14-large-u-s-insurers-closed-nearly-half-of-homeowner-claims-with-no-payment-in-2024
Reference 4
Claim supported: Average homeowner insurance claim value of $14,935 to $15,749
Insurance Information Institute (Triple-I)
Facts + Statistics: Homeowners and Renters Insurance
https://www.iii.org/fact-statistic/facts-statistics-homeowners-and-renters-insurance
Triple-I data covering 2018–2022 claims. Average paid claim across property damage and liability was $15,749 per Insurify citing Triple-I. The $14,935 figure is sourced from an earlier Triple-I dataset. Both are defensible depending on the dataset year cited.
Secondary confirmation source
Insurify
https://insurify.com/homeowners-insurance/knowledge/homeowners-insurance-facts/
Reference 5
Claim supported: 5%–15% energy bill increase from a clogged HVAC air filter
U.S. Department of Energy
https://www.energy.gov
The DOE figure is cited consistently across multiple verified utility and HVAC industry sources including:
Confirming sources
Entergy (utility company citing DOE)
https://www.entergy.com/blog/cost-dirty-air-filters
Ballard Natural Gas Service (citing DOE)
https://ballardnaturalgas.com/why-changing-your-hvac-filter-matters/
ENERGY STAR Program
https://www.energystar.gov
Reference 6
Claim supported: 21%–30% increase in electricity consumption from dirty HVAC coils; 0.02-inch dust layer reduces heat transfer by 15%
ACCA — Air Conditioning Contractors of America
https://www.acca.org
ACCA laboratory data widely cited in HVAC industry technical literature. ACCA is the national trade association for HVAC contractors and is the primary standards body for residential HVAC system performance.
Reference 7
Claim supported: $380 per year average household savings from WaterSense protocols
U.S. Environmental Protection Agency — WaterSense Program
WaterSense Statistics and Facts
https://www.epa.gov/watersense/statistics-and-facts
Reference 8
Claim supported: Emergency HVAC service rate $400–$600 per hour; scheduled service rate $75–$200
HomeGuide
Average Home Maintenance Costs 2026
https://homeguide.com/costs/average-home-maintenance-costs
Reference 9
Claim supported: 54% of adults in their 40s are managing a living parent age 65 or older while raising a child or supporting an adult child financially
Pew Research Center
More than half of Americans in their 40s are 'sandwiched' between an aging parent and their own children
https://www.pewresearch.org/short-reads/2022/04/08/more-than-half-of-americans-in-their-40s-are-sandwiched-between-an-aging-parent-and-their-own-children/
Additional sources
Pew Research Center — Original Sandwich Generation Study
https://www.pewresearch.org/social-trends/2013/01/30/the-sandwich-generation/
World Economic Forum — Confirmation
https://www.weforum.org/agenda/2022/04/more-than-half-of-americans-in-their-40s-are-sandwiched-between-an-aging-parent-and-their-own-children/
Reference 10
Claim supported: Reactive maintenance costs 25%–30% more than preventive equivalents
U.S. Department of Energy — Operations and Maintenance Best Practices
https://www.energy.gov/eere/femp/operations-and-maintenance-best-practices-guide-achieving-operational-efficiency
This figure is widely cited in DOE operations and maintenance guidance and ACCA industry literature. It is a consensus figure across multiple DOE and ACCA publications on preventive versus reactive maintenance cost differentials.
Reference 11
Claim supported: 100%–300% contractor parts markup above wholesale is industry standard
This is characterized as industry standard practice across contractor pricing literature. No single primary source. Supported by HomeGuide contractor pricing data and Angi contractor cost guides. Cited as "industry standard pricing practice documented across contractor cost literature."
Supporting sources
HomeGuide — Contractor Pricing Data
https://homeguide.com/costs/average-home-maintenance-costs
Angi — Contractor Cost Guides
https://www.angi.com
Statistics represent national averages and are subject to change as new data is published. Home Decision Research makes every effort to cite the most current available data. Where specific figures vary between dataset years, the citation reflects the source year used on this page. Home Decision Research is not affiliated with any organizations listed above. All external links are provided for attribution only and may be subject to change by the originating organization.