A-One Geothermal

A-One Geothermal, Inc. operates from Earlham, Iowa, delivering underground drilling and geothermal solutions to clients throughout the Midwest. The company holds a 5.0-star rating from a single verified review, serving a diverse client base that includes homeowners, homebuilders, HVAC installers, schools, and commercial properties. Their service catalog spans geothermal installations, water and sewer projects, septic systems, and fiber optic deployments. Since 1975, the business has maintained continuous operations, offering both residential and commercial project capabilities.

What distinguishes A-One Geothermal is their strategic partnership with Ohman Solutions, enabling specialized chemical descaling services that remove scale, sugar, oil, and contaminants from heat exchange equipment. The company fields dedicated vertical, horizontal, header, and purging crews, allowing them to match project requirements with appropriately specialized personnel. This crew diversity means they can address everything from straightforward residential geothermal loops to complex commercial fiber installations. Their descaling process represents a distinct service line few competitors offer in the region.

The sole published review comes from Brady Wrightsman, who described his experience as reasonable, attentive, and very pleasant. This feedback highlights the company's approach to client communication and pricing transparency. While only one customer story is available, the reviewer's choice of specific adjectives suggests a service experience that prioritized clear communication and fair pricing over aggressive upselling.