Jadd Seppmann & Sons Well & Septic Systems

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Jadd Seppmann & Sons Well & Septic Systems

Name: Jadd Seppmann & Sons Well & Septic Systems
Address: 54043 MN-68, Mankato, Minnesota, 56001, US
Telephone: (507) 625-3400
Rating: 4.7

4.7 (23 reviews)

54043 MN-68, Mankato, Minnesota, 56001

(507) 625-3400 Website Request Quote

Closed Loop Loop Types

Commercial Projects

23 Reviews

“

The contractor demonstrates strong communication and responsiveness, with multiple reviewers noting prompt message returns, same-day service availability, and clear explanations of repairs and estimates, though one customer reported a significant cost overrun on a septic system project without prior notification. Technicians exhibit professionalism and attention to detail, including minimal downtime on repairs, fast completion times, and courteous conduct, with long-term customers spanning 16+ and 20+ years of service use.

Based on Google reviews

About the Contractor

Jadd Seppmann & Sons Well & Septic Systems brings six generations of experience to geothermal, water well, and septic services in Mankato, Minnesota. The company specializes in closed-loop ground source heat pump system installation, offering geothermal heating, cooling, and hot water solutions that harness stable underground temperatures year-round. Services include geothermal system installation, well drilling, well service and sealing, well water testing, septic system design and installation, septic maintenance and pumping, compliance inspections, pump repair and service, pressure tank installation, directional drilling, waterline installation, and down-the-hole camera inspection. Seppmann & Sons holds Minnesota Department of Health licensing and is a member of the Minnesota Water Well Association. The company provides 24-hour emergency well service and free estimates on geothermal installations. Located at 54043 State Hwy 68, Mankato, MN 56001; phone (507) 625-3400.

Verified active operator per https://www.seppmann.com + https://www.seppmann.com/geothermal (Bundle 4 audit 2026-05-29)

IGSHPA-certified geothermal installer with six generations of water well drilling expertise, offering 24/7 emergency service and free estimates throughout southern Minnesota.

Service Details

Boring Methods

Vertical

Emergency Service

24/7 Available

24/7 Emergency

Service Area

Serves 1 area across Minnesota

Southern Minnesota

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Southern Minnesota

Regulatory Context

Geothermal Permitting in Minnesota

Geothermal heat pump installations in Minnesota 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.

See full geothermal regulations →

Frequently Asked Questions

How does geothermal heating work in Mankato winters?

Jadd Seppmann & Sons installs ground source heat pump systems that circulate propylene glycol through pipes buried beneath the ground. During winter months, this fluid gathers heat directly from the earth's constant temperature and distributes it throughout your home for efficient heating.

Can Jadd Seppmann & Sons install geothermal cooling in Mankato?

Yes. In summer months, their geothermal systems reverse the heating cycle by pulling heat from your home and inserting it into the ground to cool your space. This process also creates hot water during the summer season.

What certifications does Jadd Seppmann & Sons hold for geothermal installation?

Jadd Seppmann & Sons is accredited through the International Ground Source Heat Pump Association (IGSHPA) as a Geothermal Installer. They are also licensed by the Minnesota Department of Health and hold membership with the Minnesota Water Well Association.

Does Jadd Seppmann & Sons offer emergency geothermal service in southern Minnesota?

Yes. The company operates 24/7 with a live person answering the phone around the clock to respond to emergency needs. They provide after-hours service and free estimates for geothermal projects throughout southern Minnesota.

How long has Jadd Seppmann & Sons been in the geothermal and well drilling business?

Jadd Seppmann & Sons is a sixth-generation family business with deep roots in water well drilling and septic systems. The Seppmann family has set quality standards in the industry for decades.

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Listing data verified as of: May 29, 2026

24/7 Emergency Service

Regulatory Context

Geothermal Regulations in Minnesota

Geothermal heat pump installations in Minnesota 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.

Browse all geothermal contractors in Mankato, Minnesota →

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More Geothermal System Contractors in Minnesota

Davis Comfort Systems, Inc. Mankato, Minnesota Streitz Heating & Cooling Dundas, Minnesota Yours By Design Heating & Cooling, Inc. Blaine, Minnesota Ingleside Engineering & Construction, Inc. Loretto, Minnesota All Seasons Heating & A/C LLC Ottertail, Minnesota Northern GroundSource Inc Brimson, Minnesota

Browse all geothermal contractors in Minnesota →

Listing data last checked: May 29, 2026

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Tags: Commercial

Category: Geothermal Contractors

Address: 54043 MN-68
Mankato
Minnesota
56001
United States