Autodesk Forma vs Cove.tool: Which AI Tool for Building Energy Performance in Architecture?

A building's energy performance is determined 70-80% during the concept and schematic design phases — decisions on orientation, compactness, thermal mass, and facade treatment made at the concept stage have a far greater impact than the technical optimizations that occur later in detailed design. Yet the vast majority of architecture practices do not integrate energy analysis before the end of schematic design, when the degrees of freedom are already limited.

Autodesk Forma and Cove.tool address this problem with two different approaches. Understanding their respective positions helps you choose the right tool at the right project stage.

Contents

• Quick comparison table
• Autodesk Forma: climate analysis integrated into design
• Cove.tool: precise energy simulation for certification
• Comparison by phase and use case
• Which tool fits your practice
• FAQ

Quick comparison table

Autodesk Forma: climate analysis in early-stage design

What Autodesk Forma does

Autodesk Forma (formerly Spacemaker) is a cloud-based early-stage design tool built to analyse the climatic and environmental constraints of a site from the earliest sketches. The tool is included in the Autodesk AEC Collection subscription, making it accessible to most practices that already use Revit.

Forma lets you rapidly create or import massing models and obtain near-real-time analyses of:

• Daylighting and natural light access (daylight factor, daylight autonomy)
• Microclimate and wind (ground-level wind speed, outdoor thermal comfort zones)
• Noise (projected sound levels based on building positions and noise sources)
• Solar potential (available surfaces for photovoltaic panels)
• Carbon footprint at design stage (simplified lifecycle assessment for materials)

Everything displays directly on the 3D model with a visual interface that makes results legible to non-specialists.

Strengths of Forma

Feedback speed is its primary advantage. In the concept phase, architects can modify building orientation or massing height and immediately see the impact on facade daylighting or outdoor comfort. This short-loop feedback is what fundamentally differentiates Forma from conventional thermal simulation software, which requires a model preparation phase before any calculation runs.

Native Revit integration is bidirectional: you can work in Forma from within the Revit interface, and changes feed back into your BIM model. For practices already in Revit, adoption friction is low.

The readability of results for clients is a communication advantage. Colour-coded solar access maps or wind analysis visuals are directly presentable in client meetings without technical translation.

Limitations of Forma

Forma does not perform code-compliant thermal simulation. It does not produce a certifiable energy balance or any regulatory thermal calculation. It is a conceptual decision-support tool, not a regulatory justification tool.

Analyses are based on simplified models. For complex projects requiring fine simulations (high-inertia buildings, heat recovery systems, cross-ventilation strategies), Forma does not replace dedicated simulation software like EnergyPlus or TRNSYS.

Cove.tool: precise energy simulation

What Cove.tool does

Cove.tool is an energy simulation and sustainability analysis platform designed to make calculations previously reserved for specialist MEP engineers accessible to architects. It delivers energy simulations using EnergyPlus and OpenStudio engines, with an interface approachable enough for trained architects.

Available analyses include:

• Full energy simulation (consumption by end-use: heating, cooling, lighting, equipment)
• LCA analysis (Life Cycle Assessment — full-building carbon balance over the building's lifetime)
• Automatic optimisation (Cove.tool's AI proposes system or envelope variants to hit an energy target)
• Cost-benefit analysis (capital costs vs. energy savings over 20-30 years)
• Report export usable for certifications (LEED, BREEAM)

Strengths of Cove.tool

Simulation accuracy is its primary advantage. For projects targeting environmental certifications (BREEAM, LEED, HQE), Cove.tool is a performance demonstration tool with the rigour to support certification submissions.

The automatic optimisation function is particularly powerful: you set a target (e.g. reduce heating consumption by 30%), and the algorithm automatically explores dozens of envelope composition, orientation, or system variants to identify the most cost-effective solutions — a capability that conventional simulation tools do not have.

Process transparency facilitates collaboration with the MEP engineer: Cove.tool exports models in formats compatible with professional simulation tools, easing handover between the design team and engineers.

Limitations of Cove.tool

Cove.tool is not validated for national building energy codes for regulatory justification in France or most European countries. The code-compliant calculation must be performed with approved software by a certified energy engineer. Cove.tool serves as an exploration and design comparison tool, not a regulatory evidence document.

The learning curve is steeper than for Forma. Correctly parameterising an energy model in Cove.tool requires understanding building thermal concepts (thermal bridging, mechanical ventilation, heating/cooling systems, internal gains) that go beyond standard architectural training.

Comparison by phase and use case

Concept and schematic design phase

Forma wins clearly. Its speed of deployment and real-time feedback make it the right tool for guiding early design decisions — building orientation, site layout, massing strategy.

Design development and technical design

Cove.tool wins. The accuracy of its simulations and its ability to produce justifiable comparative energy balances for clients or client representatives make it the right tool for phases where technical system choices need to be argued.

Certification and regulatory justification

Neither replaces a qualified energy engineer. Forma produces no regulatory calculation. Cove.tool produces quality simulations but is not validated for regulatory justification in most national building codes. The code-compliant calculation remains the responsibility of the MEP engineer with approved software.

Client communication

Forma wins on visual accessibility. Its colour-coded maps of solar access, wind, or solar potential are directly communicable in meetings without technical translation. Cove.tool produces more technical reports, suited for informed clients or sustainability advisors.

Which tool fits your practice

Choose Autodesk Forma if:

• You are already in the Autodesk ecosystem (AEC Collection includes Forma)
• You want to integrate climate indicators from the concept phase without specialist training
• Your practice does a significant volume of residential or commercial work with daylighting and microclimate considerations
• You want to improve your sustainability communication in client meetings

Choose Cove.tool if:

• You work on projects targeting environmental certifications (BREEAM, LEED, HQE)
• You need to compare technical system variants with a 20-year cost-benefit analysis
• You collaborate with a MEP engineer and want a shared analysis tool
• Your team has or can acquire basic building thermal training

Both in complementarity: Forma in concept and schematic design phases to orient design decisions, Cove.tool in design development and technical design to refine and justify energy choices. This sequence covers the full energy performance journey from concept to certification.

For a broader view of AI tools available for your practice, see our guide to AI tools for architects and our article on AI for architecture in 2026.

FAQ

Can Forma replace a building energy consultant?

No. Forma is a conceptual decision-support tool providing qualitative and semi-quantitative indicators. It does not produce code-compliant thermal calculations, certifiable energy balances, or technical justification documents for building permit submissions. A qualified energy engineer remains essential for regulatory justification and technical system validation.

Is Cove.tool compatible with European building energy codes?

Cove.tool uses EnergyPlus and OpenStudio engines, which are robust global standards. However, each country's specific code calculation methodology typically requires locally approved software. Cove.tool can produce quality energy balances to guide design decisions, but the official code-compliant calculation remains the MEP engineer's responsibility with approved software.

Does using these tools require specialist training?

For Forma, 1-2 days of training is sufficient to be operational on the main features — the tool is designed for architects without thermal engineering specialization. For Cove.tool, an understanding of building thermal basics (envelope performance, HVAC systems, thermal loads, internal gains) is needed to correctly parameterize models and interpret results. A 3-5 day training combining thermal fundamentals and tool practice is recommended for autonomous use.

Do these tools work for renovation projects?

Yes, both can be used for renovation, with nuances. Forma is better suited to urban renewal (existing building analysis, extension impact, block requalification). Cove.tool is better suited to existing building renovation (insulation scenario comparison, heating system change impact, return on investment calculation). In both cases, a baseline model of the existing building must be created or imported manually.

Train with Educasium for energy performance and AI in architecture

Integrating Forma or Cove.tool into your workflow requires understanding building thermal principles and the logic of simulation tools. Educasium offers Qualiopi-certified training programs, eligible for OPCO/FIFPL funding, focused on AI tools for architecture and environmental performance.

Discover Educasium training programs — response within 24 business hours.