This 46-year-old, second-generation residential HVAC company operates in one of the wealthiest suburban markets in the Midwest, with a service territory ranking in the 94th national percentile for household income. Specializing in system replacement and installation alongside full-service repair and maintenance, the company has never spent a dollar on paid advertising; all growth has been driven entirely by referrals and organic reputation, producing a 4.9-star Google profile across more than 415 reviews. The business generates $3.01M in annual revenue at a 64.1% gross margin, supported by 5,000 historical customers within a concentrated service radius that have never been formally marketed to. Automated NDA to Data Room Here: redacted Business Highlights 51.6% SDE margin on $3.01M revenue: exceptional profitability for a residential field-service business 4.9 stars across 415+ Google reviews, zero paid advertising: entire demand engine is referral-driven across 46 years 5,000-customer database, fully transferable: no CRM, no service plan, never formally marketed to Books weeks out in peak season with only 2 technicians: demand exceeds capacity; adding one installer converts directly to revenue. Hiring 2 new techs now. 18.6% SDE growth, 2024 to 2025: margins expanding alongside a 7.8% two-year revenue CAGR Authorized dealer, nationally recognized HVAC brand: co-op marketing support, warranty backing, preferred equipment access