Geothermal.contractors

Randy Mercer Heating & Cooling brings over 25 years of geothermal heat pump expertise to Greater Cincinnati and Northern Kentucky from their Williamsburg, Ohio location at 591 E. Main Street. Randy and his team specialize in geothermal system design, installation, and service, applying ground-source loop technology tailored to each homeowner's performance and budget requirements. The company services all makes and models of air conditioners, heat pumps, furnaces, boilers, and water heaters, backing every job with a 100% satisfaction guarantee. Serving the Cincinnati metro and Northern Kentucky market, Mercer HVAC maintains a 4.6-star Google rating across 18 reviews, with reviewers consistently noting rapid response times including holiday weekend and Christmas evening emergency service. All work is quoted with free estimates. Call 513-582-7505 for service. Verified active operator per https://mercerhvac.com/ + https://www.facebook.com/randymercerhvac/ (Ohio audit 2026-05-30)