Free Geothermal and Hybrid

Design Software

Log in to ENtellect here


ENtellect is an innovative cloud-based tool that simplifies the complex world of geothermal design engineering, and lowers installation and operating energy costs for customers. ENtellect is the only design tool available in the industry that offers this degree of ease and accessibility. This program can be conveniently accessed through any standard web browser, and allows the user to input building load data into the software from virtually anywhere.


Entellect will rapidly generate a clean, green, and cost-effective geothermal design for users. ENtellect is the only geothermal design software that can model the Greensleeves' control algorithms.

"ENtellect is a great tool for designers to easily and accurately produce energy efficient ground source designs with options to optimize them. The powerful tool is continuously updated and doesn't require expensive computer equipment as it runs in the cloud" - Grant Page P.E.

Geothermal Projects

What geothermal energy offers


Greensleeves' products are applicable to both unitary and central plant geothermal projects from small to large.

Use free geothermal heat not only to heat your building, but also to cool it. Operating costs are minimal, the energy generated is environmentally friendly and - in some areas - eligible for government grants.

Spanning properties ranging from schools and college campuses to hospitals and office building to municipal buildings and military bases - Greensleeves will heat and cool whatever you require.

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