Contact Us

Marc LargerMarc Larger
Project Manager
& Estimator

Residential Department

: 937.498.4784
Cell: 937.538.0413


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Geothermal Systems

Geothermal systems use the constant temperature of the earth as the exchange medium instead of the outside air temperature. This allows the system to reach fairly high efficiencies on the coldest winter nights, compared to air-source heat pumps on cool days.






24 Hour Service 888-999-OVIS (6847)