Hoffmann Brothers has been installing geothermal systems for many years. Our techncians are geothermal experts. We have done all types of geothermal projects from small to large homes. Hoffmann Brothers is your St Louis area geothermal contractor. Check out some of our geothermal heat pump installations below. To request a geothermal bid, fill out our bid form or call us at 314-664-3011.