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Select the version of GLDs that is right for you
GLDs is offered in three main versions: Premier; Professional & Residential. Commercial users wanting the full featured version with Piping System Designer AND Computational Fluid Dynamics Module for piping design and/or 8760 hourly simulations should consider the Premier Version.
Feature |
 Commercial Premier |
Commercial Professional |
 Residential |
| Design Studio |
 |
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| Maximum Peak Loads | no limit | no limit | 200KBTU/hr. |
| Cylindrical Heat Transfer Engine |
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| G-Function Heat Transfer Engine |
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- |
| Precision Hybrid Load Splitter Tools |
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- |
| Custom GridBuilder Module |
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- | - |
| Angled Drilling Designs |
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- | - |
| Angled / Vertical Hybrid Loopfields |
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- | - |
| International Pipe Database |
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| Borehole Heat Exchanger Module |
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| Coaxial, Single & Double U-bend Exchangers |
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single |
| Monthly Energy Simulation Engine |
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- |
| 8760 Hourly Energy Simulation Engine |
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- | - |
| Fixed Length Design Mode |
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| Fixed Temperature Design Mode |
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| On-Demand G-Function Calculator |
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- |
| "G" - Function Heat Exchange Visualizer |
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- | - |
| AutoCAD Integration |
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- |
| "Any Configuration" Loopfield Importer |
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- |
| Advanced Fluids Database |
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- |
| Horizontal Module |
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| Horizontal Trench/Bore/Slinky etc. |
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| Fixed Area Mode Calculations |
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| Horizontal Heat Exchanger Temp Graphs |
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- | - |
| Surface Water Module |
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| Horizontal Trench/Bore/Slinky etc. |
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| Piping System Designer |
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- | - |
| Piping System Bill of Materials |
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- | - |
| Intelligent Flow Analytics |
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- | - |
| Balancing Valve Automation |
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- | - |
| Computational Fluid Dynamics Module |
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- | - |
| Auto-Build and Optimize Functions |
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- | - |
| Direct and Reverse Return Modeling |
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- | - |
| Fittings and Fluids Database |
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- | - |
| Multi-Level Vault and Manifold Systems |
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- | - |
| Advanced Fluids Database |
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- | - |
| Geothermal System Analyzer Module |
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- |
| Full Energy / Cost Analysis |
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- |
| CO2 Emissions / Credits Analysis |
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- |
| Economic Payback/Lifecycle Analysis |
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- |
| Accelerated Depreciation, Salvage Value |
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| Professional Graphing and Reports |
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| Thermal Conductivity Analysis Module | optional | optional | optional |
| Conductivity/Diffusivity Analysis | optional | optional | optional |
| Borehole Thermal Resistance Analysis | optional | optional | optional |
| Average Block Loads Module |
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| Zone Manager Module |
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| LEADPlus Module (Residential) | - | - | optional |
| Heat Loss Estimator | - | - | In LEADPlus |
| Energy Analysis | - | - | In LEADPlus |
| CO2 Emissions Analysis | - | - | In LEADPlus |
| Economic Payback Analysis | - | - | In LEADPlus |
| Pressure Drop Calculator | - | - | In LEADPlus |
| Boiler/CoolingTower/Solar Hybrids |
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| Heat Pump Add/Edit Module |
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| Over 1,000 Preloaded Heat Pumps |
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| Enhanced Visualization Tools and Graphs |
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| Enhanced Heat Pump Performance Bracketing |
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| English / Metric Units Conversion |
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| IDF export for energy simulator integration |
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| IES / Google Sketchup / TRACE / eQuest |
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| Standard Reports |
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| Advanced Reports |
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| Enhanced User Interface |
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| Automatic Fluids Database |
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| Data Reference Files |
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| Customization and Designer Options |
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| Interactive Help |
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| Multiple Languages |
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| Annual Software License and Support |
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Commercial Version Information
