In most cases, installation of a geothermal system is fairly simple, especially in new construction or when it's replacing another forced-air system.

It can be installed in locations unsuitable for natural gas or propane furnaces - there is no combustion, and thus no need to vent exhaust gases.

In fact, geothermal components can be added to existing heating equipment for those wishing to have a dual-fuel system. A conventional furnace can be kept as a backup in extremely cold weather if additional heat is needed.

A standard 200-amp electrical service will have more than enough capacity to power a geothermal heat pump. Your contractor should contact Alliant Energy to determine proper distribution loading.

If you're replacing a forced-air system, a geo system can use the existing ductwork. If you currently have a boiler system with radiators, the conversion will be more complex.

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Learn more about:

Working With It: Installing a Geothermal System

Resources: Incentives & Financing

Resources: Dealer Locator

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Brochures and fact sheets:

Geothermal: Bringing Comfort to Your World
By Alliant Energy
[PDF format – 7 pages, 174kb]

More brochures and fact sheets….