Alternatives to Helix Earth
The top HVAC companies similar to Helix Earth, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
- SASadi Thermal Machines12Climate TechScotts Valley, United States
Transaera54Climate TechBoston, USA$17.0M
Merino Energy53CleantechSan Francisco, USA$63.0M- BUBudderfly53EnergyShelton, USA$1.3B
Spindrive49Industrial AutomationLappeenranta, Finland$11.7M
Barocal46HVACCambridge, United Kingdom$1.0M
Verdigris40Energy ManagementMountain View, United States$16.7M
V-Glass30MaterialsWaukesha, United States$3.0M
SolarEdge86Energy$71.8M
Enphase Energy85CleantechFremont, United States$6.0M
Octopus Energy76EnergyLondon, United Kingdom$800.0M
Unconventional AI74AI HardwareSan Francisco, United States$475.0M
Group14 Technologies73Battery TechnologyWoodinville, United States$463.0M
Ameresco70EnergyFramingham, USA$63.0M
Crunchbase70DataSan Francisco, United States$106.5M
SolarSquare64Renewable EnergyMumbai, India$67.5M
Barrell63LithiumDenver, USA- C2C2i Semiconductors63SemiconductorsBengaluru, India$15.0M
- NONOC Energy63EnergyHouston, USA$63.0M
Lithium de France62EnergyPau, France$10.0M
Altilium62Battery RecyclingPlymouth, United Kingdom$39.2M- GRGreen Flexibility61EnergyAmsterdam, Netherlands$400.0M
Spiro61Electric VehicleDubai, United Arab Emirates$622.5M- LILion Storage61EnergySan Francisco, United States$350.0M
Envision61Renewable EnergyShanghai, China$710.0M
Ecoppia61Cleantech$53.0M- GRGridBeyond61EnergyDublin, Ireland$56.2M
Solar Landscape61Renewable EnergyAsbury Park, USA$775.9M- GRGraforce57CleantechBerlin, Germany$54.0M
- ENEnel X56EnergyRome, Italy$168.0M
Fervo Energy56EnergyHouston, USA$421.0M- OVOverview Energy56AerospacePalo Alto, USA$63.0M
Trawa56EnergyBerlin, Germany$40.7M
PVcase56Renewable EnergyVilnius, Lithuania$12.0M
Convergent Energy + Power55Energy StorageNew York, United States$584.5M- NONorthvolt55AutomotiveStockholm, Sweden
Setpoint55Smart HomeSan Francisco, United States$8.7M
Telensa55Smart CityCambridge, United Kingdom$32.2M
DeepSea Technologies55Maritime TechPiraeus, Greece$3.3M
BladeRanger55CleantechRamat Gan, Israel$10.8M- ELElevenEs55BatteriesSubotica, Serbia
- HEHeirloom55Climate TechBrisbane, United States$162.0M
EcoPlant Technological Innovation55IndustrialAshkelon, Israel$11.4M
Duravent Group55ManufacturingDetroit, United States
ZutaCore55Data CenterTel Aviv, Israel$100.0M- ENEnergy Vault55Energy StorageLugano, Switzerland$710.0M
TheStorage54CleantechTampere, Finland$6.8M- ARArverne54EnergyPau, France$10.0M
NT-Tao54EnergyTel Aviv, Israel$27.5M
Exergy354CleantechEdinburgh, United Kingdom$25.5M- WIWinnow54AILondon, United Kingdom$16.2M
btry54Battery TechnologyDübendorf, Switzerland$6.6M- PHPhotoncycle54EnergyGrenoble, France$15.0M
- FOFonto Power54EnergySan Francisco, United States$15.0M
OPAL Fuels54CleantechNew York, USA$180.0M- REReNew53Renewable EnergyGurugram, India$95.0M
New Photonics53SemiconductorTel Aviv, Israel$15.0M
Layla Electric53EnergySan Francisco, United States$1.0M
Raycatch53SolarTel Aviv, Israel$7.3M
Luminescent53CleantechSan Francisco, United States$7.0M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| SASadi Thermal Machines | Climate Tech | Scotts Valley, United States | — | 12 |
| Transaera | Climate Tech | Boston, USA | $17.0M | 54 |
| Merino Energy | Cleantech | San Francisco, USA | $63.0M | 53 |
| BUBudderfly | Energy | Shelton, USA | $1.3B | 53 |
| Spindrive | Industrial Automation | Lappeenranta, Finland | $11.7M | 49 |
| Barocal | HVAC | Cambridge, United Kingdom | $1.0M | 46 |
| Verdigris | Energy Management | Mountain View, United States | $16.7M | 40 |
| V-Glass | Materials | Waukesha, United States | $3.0M | 30 |
| SolarEdge | Energy | — | $71.8M | 86 |
| Enphase Energy | Cleantech | Fremont, United States | $6.0M | 85 |
| Octopus Energy | Energy | London, United Kingdom | $800.0M | 76 |
| Unconventional AI | AI Hardware | San Francisco, United States | $475.0M | 74 |
| Group14 Technologies | Battery Technology | Woodinville, United States | $463.0M | 73 |
| Ameresco | Energy | Framingham, USA | $63.0M | 70 |
| Crunchbase | Data | San Francisco, United States | $106.5M | 70 |
| SolarSquare | Renewable Energy | Mumbai, India | $67.5M | 64 |
| Barrell | Lithium | Denver, USA | — | 63 |
| C2C2i Semiconductors | Semiconductors | Bengaluru, India | $15.0M | 63 |
| NONOC Energy | Energy | Houston, USA | $63.0M | 63 |
| Lithium de France | Energy | Pau, France | $10.0M | 62 |
| Altilium | Battery Recycling | Plymouth, United Kingdom | $39.2M | 62 |
| GRGreen Flexibility | Energy | Amsterdam, Netherlands | $400.0M | 61 |
| Spiro | Electric Vehicle | Dubai, United Arab Emirates | $622.5M | 61 |
| LILion Storage | Energy | San Francisco, United States | $350.0M | 61 |
| Envision | Renewable Energy | Shanghai, China | $710.0M | 61 |
| Ecoppia | Cleantech | — | $53.0M | 61 |
| GRGridBeyond | Energy | Dublin, Ireland | $56.2M | 61 |
| Solar Landscape | Renewable Energy | Asbury Park, USA | $775.9M | 61 |
| GRGraforce | Cleantech | Berlin, Germany | $54.0M | 57 |
| ENEnel X | Energy | Rome, Italy | $168.0M | 56 |
| Fervo Energy | Energy | Houston, USA | $421.0M | 56 |
| OVOverview Energy | Aerospace | Palo Alto, USA | $63.0M | 56 |
| Trawa | Energy | Berlin, Germany | $40.7M | 56 |
| PVcase | Renewable Energy | Vilnius, Lithuania | $12.0M | 56 |
| Convergent Energy + Power | Energy Storage | New York, United States | $584.5M | 55 |
| NONorthvolt | Automotive | Stockholm, Sweden | — | 55 |
| Setpoint | Smart Home | San Francisco, United States | $8.7M | 55 |
| Telensa | Smart City | Cambridge, United Kingdom | $32.2M | 55 |
| DeepSea Technologies | Maritime Tech | Piraeus, Greece | $3.3M | 55 |
| BladeRanger | Cleantech | Ramat Gan, Israel | $10.8M | 55 |
| ELElevenEs | Batteries | Subotica, Serbia | — | 55 |
| HEHeirloom | Climate Tech | Brisbane, United States | $162.0M | 55 |
| EcoPlant Technological Innovation | Industrial | Ashkelon, Israel | $11.4M | 55 |
| Duravent Group | Manufacturing | Detroit, United States | — | 55 |
| ZutaCore | Data Center | Tel Aviv, Israel | $100.0M | 55 |
| ENEnergy Vault | Energy Storage | Lugano, Switzerland | $710.0M | 55 |
| TheStorage | Cleantech | Tampere, Finland | $6.8M | 54 |
| ARArverne | Energy | Pau, France | $10.0M | 54 |
| NT-Tao | Energy | Tel Aviv, Israel | $27.5M | 54 |
| Exergy3 | Cleantech | Edinburgh, United Kingdom | $25.5M | 54 |
| WIWinnow | AI | London, United Kingdom | $16.2M | 54 |
| btry | Battery Technology | Dübendorf, Switzerland | $6.6M | 54 |
| PHPhotoncycle | Energy | Grenoble, France | $15.0M | 54 |
| FOFonto Power | Energy | San Francisco, United States | $15.0M | 54 |
| OPAL Fuels | Cleantech | New York, USA | $180.0M | 54 |
| REReNew | Renewable Energy | Gurugram, India | $95.0M | 53 |
| New Photonics | Semiconductor | Tel Aviv, Israel | $15.0M | 53 |
| Layla Electric | Energy | San Francisco, United States | $1.0M | 53 |
| Raycatch | Solar | Tel Aviv, Israel | $7.3M | 53 |
| Luminescent | Cleantech | San Francisco, United States | $7.0M | 53 |