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Marshall Mechanical's technicians demonstrate strong knowledge of geothermal and mini-split systems, with consistent feedback highlighting punctual arrivals, thorough explanations of repairs and maintenance, and professional installation work that includes system walkthroughs and documentation. The company's scheduling and communication process receives positive marks, with staff providing proactive updates, reasonable timeframes, and follow-up calls, while technicians address issues efficiently and offer no-pressure quotes with multiple options.
Based on Google reviews
About the Contractor
Marshall Mechanical serves Franklin, Indiana and the surrounding Central and South Central Indiana region with comprehensive HVAC, refrigeration, plumbing, and geothermal heating and cooling services. Founded in 2006 by Erik Marshall, the company operates as a locally owned and family-operated business built on principles of customer satisfaction and integrity. With an impressive 4.9-star Google rating based on 547 customer reviews, Marshall Mechanical has earned recognition for quality workmanship and reliable service. The team specializes in geothermal heating and cooling systems, offering efficient and eco-friendly temperature control solutions for both residential and commercial properties. Their expertise extends to furnace repair and installation, air conditioning services, mini-split systems, air quality improvements, and emergency plumbing solutions. Available for 24-hour emergency service with office hours from 8 a.m. to 4:30 p.m. Monday through Friday, Marshall Mechanical prioritizes rapid response and professional installation. The company reports building 85% of its business through customer referrals, reflecting a commitment to treating clients with the respect and care they deserve. Contact Marshall Mechanical at (317) 738-5940 for free estimates on geothermal systems and other heating and cooling needs.
Geothermal HVAC contractor based in Franklin, Indiana.
Service Details
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Years in Business
20 years
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License Number
H0020105
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Financing
Available
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Emergency Service
24/7 Available
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Brands Installed
WaterFurnace, American Standard
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WaterFurnace
Authorized Dealer
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Licensed check_circle
24/7 Emergency
Regulatory Context
Geothermal Permitting in Indiana
Geothermal heat pump installations in Indiana require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
Your request goes straight to Marshall Mechanical. You'll hear from them directly, usually within 1-2 business days.
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Quote Request Received
Thanks — we'll review your request and forward it to up to 3 verified IGSHPA installers in Franklin within 1 business day. They typically respond within 1–2 business days after that.
If you need to reach Marshall Mechanical directly: (317) 738-5940
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Geothermal heat pump installations in Indiana may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
