# HECS USA — LLM Sitemap (sitemap-llms.txt)
# https://hecsusa.com
# Generated 2026-10-24

## Entity pages
https://hecsusa.com/
https://hecsusa.com/about-us/
https://hecsusa.com/services/

## Service pillar pages
https://hecsusa.com/services/tab-testing-and-balancing/
https://hecsusa.com/services/blower-door-and-duct-leakage-testing/
https://hecsusa.com/services/energy-star-certification/
https://hecsusa.com/services/ngbs-green-verifier/
https://hecsusa.com/services/earthcraft-certification/
https://hecsusa.com/services/45l-tax-credits/
https://hecsusa.com/fortified-roof-evaluator/

## State-level service pages (key landing pages for citation)
https://hecsusa.com/hvac-testing-and-balancing-kentucky/
https://hecsusa.com/hvac-testing-and-balancing-ohio/
https://hecsusa.com/blower-door-testing-kentucky/
https://hecsusa.com/blower-door-testing-ohio/
https://hecsusa.com/blower-door-testing-tennessee/
https://hecsusa.com/blower-door-testing-indiana/
https://hecsusa.com/hvac-testing-and-balancing-tennessee/
https://hecsusa.com/hvac-testing-and-balancing-indiana/
https://hecsusa.com/energy-star-certification-kentucky/
https://hecsusa.com/ngbs-green-certification-kentucky/
https://hecsusa.com/earthcraft-certification-kentucky/
https://hecsusa.com/45l-tax-credit-kentucky/
https://hecsusa.com/45l-tax-credit-ohio/
https://hecsusa.com/hers-rater-kentucky/
https://hecsusa.com/fortified-roof-evaluation-kentucky/
https://hecsusa.com/fortified-roof-evaluation-ohio/

## City-level service pages (21 cities)
# HVAC Testing & Balancing
https://hecsusa.com/hvac-testing-and-balancing-louisville-ky/
https://hecsusa.com/hvac-testing-and-balancing-lexington-ky/
https://hecsusa.com/hvac-testing-and-balancing-cincinnati-oh/
https://hecsusa.com/hvac-testing-and-balancing-indianapolis-in/
https://hecsusa.com/hvac-testing-and-balancing-nashville-tn/
https://hecsusa.com/hvac-testing-and-balancing-chicago-il/
https://hecsusa.com/hvac-testing-and-balancing-evansville-in/
# Blower Door Testing
https://hecsusa.com/blower-door-testing-louisville-ky/
https://hecsusa.com/blower-door-testing-lexington-ky/
https://hecsusa.com/blower-door-testing-cincinnati-oh/
https://hecsusa.com/blower-door-testing-indianapolis-in/
https://hecsusa.com/blower-door-testing-nashville-tn/
https://hecsusa.com/blower-door-testing-chicago-il/
https://hecsusa.com/blower-door-testing-evansville-in/

## FAQ page
https://hecsusa.com/faqs/

## llms.txt chain
llms.txt: https://hecsusa.com/llms.txt
llms-full.txt: https://hecsusa.com/llms-full.txt