Run a free full auditWelsch Heating & Cooling is an HVAC company in Maryland Heights, Missouri. Serving the Greater St. Louis and St. Charles County areas, they provide a comprehensive range of services including heating, air conditioning, and indoor air quality solutions. Their expertise covers residential and commercial properties, offering specialized services such as furnace repair, air conditioning replacement, and 24-hour emergency HVAC assistance. They maintain a 4.50 rating and work with various brands and systems to ensure customer comfort.
This family and locally owned business has been operating since 1895, bringing over 130 years of experience to the community. The company’s history traces back to the founding of The Welsch Furnace Company by the current president's great-grandfather. Their professional technicians are trained to service, repair, and optimize any brand of system, including Lennox, Bryant, Trane, and Samsung. Beyond standard maintenance, they provide specialized commercial heating installation and emergency services seven days a week to address urgent heating or cooling failures.
Welsch Heating & Cooling is located on Welsch Industrial Ct.
The business maintains thorough, well-documented information online, ensuring that their service details and expertise are easily accessible. Their digital presence is well-optimized, making it easy for customers to find the professional support they need.
With over a century of dedicated service, Welsch Heating & Cooling remains a trusted provider of essential climate control solutions for the St. Louis community.
BizScoreAI scanned the website welsch-heatcool.com on July 21, 2026. Welsch Heating & Cooling of Maryland Heights has a BizScore of 66 out of 100.
AI visibility scan by category: AI Discovery 10 of 25 points, Structured Data 8 of 25 points, Content Readiness 20 of 30 points, AI Trust Signals 16 of 20 points.
Website audit sub-scores (out of 100): On-Page 79, Technical 92, Performance 75, Content 70.
Strengths: 9 checks passed. AI Crawler Access, AI Content Blocking, Organization Schema, Third-Party Review Links, Hyperlocal Targeting, Local Multimedia, Q&A Content, About/Team Page, XML Sitemap.
Areas to improve: 8 checks. llms.txt (failed), FAQPage Schema (failed), Google Business Profile Link (failed), LocalBusiness Schema (failed), Speakable Schema (warning), AI-Parseable Headings (warning), Meta Description (warning), Author Signals (warning).
Browse: Businesses in Maryland Heights, MO · HVAC in Missouri · Businesses in Missouri
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