# Green Buildings Market Map United States 2026: 94 Startups in 3 Segments

> 94 green buildings startups in the United States, mapped in 3 segments: heat pumps and HVAC, building energy software and retrofit and insulation and more.

Source: https://millionrounds.com/market-maps/green-buildings-united-states-market-map (Millionrounds; every figure on the page links to its filing or article)

## Heat pumps and HVAC

52

- [XOi](https://millionrounds.com/company/xoi)
- [Avoca](https://millionrounds.com/company/avoca)
- [75F](https://millionrounds.com/company/75f)
- [Blue Box](https://millionrounds.com/company/blue-box)
- [Broccoli AI](https://millionrounds.com/company/broccoli-ai)
- [CoolSys](https://millionrounds.com/company/coolsys)
- [Optimum Energy](https://millionrounds.com/company/optimum-energy)
- [Probook](https://millionrounds.com/company/probook)
- [Topline Pro](https://millionrounds.com/company/topline-pro)
- [Interplay Learning](https://millionrounds.com/company/interplay-learning)
- [PipeDreams](https://millionrounds.com/company/pipedreams)
- [Cala Systems](https://millionrounds.com/company/cala-systems)
- [Linear Labs](https://millionrounds.com/company/linear-labs)
- [Zero Homes](https://millionrounds.com/company/zero-homes)
- [7AC Technologies](https://millionrounds.com/company/7ac-technologies)
- [Service 1st Financial](https://millionrounds.com/company/service-1st-financial)
- [Catapult Finance](https://millionrounds.com/company/catapult-finance)
- [Helix Earth](https://millionrounds.com/company/helix-earth)
- [Vertical Mechanical Group](https://millionrounds.com/company/vertical-mechanical-group)
- [Service Fusion](https://millionrounds.com/company/service-fusion)
- [QCoefficient](https://millionrounds.com/company/qcoefficient)
- [SmartAC.com](https://millionrounds.com/company/smartac-com)
- [Bluon](https://millionrounds.com/company/bluon)
- [AB Group](https://millionrounds.com/company/ab-group)

+28 more

## Building energy software

22

- [View](https://millionrounds.com/company/view)
- [R-Zero](https://millionrounds.com/company/r-zero)
- [KODE Labs](https://millionrounds.com/company/kode-labs)
- [Recurve](https://millionrounds.com/company/recurve)
- [*E* EPS](https://millionrounds.com/company/eps)
- [Site 1001](https://millionrounds.com/company/site-1001)
- [Neeve](https://millionrounds.com/company/neeve)
- [Terion](https://millionrounds.com/company/terion)
- [Spintly](https://millionrounds.com/company/spintly)
- [Cohesion](https://millionrounds.com/company/cohesion)
- [Carson](https://millionrounds.com/company/carson)
- [WegoWise](https://millionrounds.com/company/wegowise)
- [PlotWatt](https://millionrounds.com/company/plotwatt)
- [Wayleadr](https://millionrounds.com/company/wayleadr)
- [Ekotrope](https://millionrounds.com/company/ekotrope)
- [Viking Cold Solutions](https://millionrounds.com/company/viking-cold-solutions)
- [Logical Buildings](https://millionrounds.com/company/logical-buildings)
- [Verdeeco](https://millionrounds.com/company/verdeeco)
- [Voltic](https://millionrounds.com/company/voltic)
- [Encentiv Energy](https://millionrounds.com/company/encentiv-energy)
- [GreenLight IoT](https://millionrounds.com/company/greenlight-iot)
- [Whisper Energy](https://millionrounds.com/company/whisper-energy)

## Retrofit and insulation

20

- [Wrightspeed](https://millionrounds.com/company/wrightspeed)
- [Intramotev](https://millionrounds.com/company/intramotev)
- [Vendscreen](https://millionrounds.com/company/vendscreen)
- [OROS Labs](https://millionrounds.com/company/oros-labs)
- [CleanFiber](https://millionrounds.com/company/cleanfiber)
- [Lapolla Industries](https://millionrounds.com/company/lapolla-industries)
- [Yan Engines](https://millionrounds.com/company/yan-engines)
- [Oros Apparel](https://millionrounds.com/company/oros-apparel)
- [Last Lock](https://millionrounds.com/company/last-lock)
- [Vires Aeronautics](https://millionrounds.com/company/vires-aeronautics)
- [Ribbit](https://millionrounds.com/company/ribbit)
- [ecoInsight](https://millionrounds.com/company/ecoinsight)
- [Liatris, Inc](https://millionrounds.com/company/liatris-inc)
- [*R* Retrofit](https://millionrounds.com/company/retrofit)
- [Cypress Envirosystems](https://millionrounds.com/company/cypress-envirosystems)
- [TimberHP](https://millionrounds.com/company/timberhp)
- [Highland Park Technologies](https://millionrounds.com/company/highland-park-technologies)
- [Caralon Global](https://millionrounds.com/company/caralon-global)
- [lumalon](https://millionrounds.com/company/lumalon)
- [*CE* Clean Engines](https://millionrounds.com/company/clean-engines)

## Segment by segment

### Heat pumps and HVAC

52 startups · $945M raised

- [**XOi**](https://millionrounds.com/company/xoi) The only digital tool your techs need on a jobsite, XOi is built for HVAC, Plumbing, Electrical, Construction, Kitchen Equipment, and more. United States $230M
- [**Avoca**](https://millionrounds.com/company/avoca) Avoca is an AI platform that enhances customer engagement, sales, and service operations for businesses in the service economy, pa United States $125M
- [**75F**](https://millionrounds.com/company/75f) 75F is a predictive and proactive IoT-based building automation system that addresses HVAC, lighting, and equipment control needs. United States $63M
- [**Blue Box**](https://millionrounds.com/company/blue-box) Blue Box is a Dallas-based HVAC technology company dedicated to enhancing HVAC coil performance through a patented bio-treatment approach. United States $54M
- [**Broccoli AI**](https://millionrounds.com/company/broccoli-ai) Broccoli AI is a technology company that specializes in AI-powered voice assistant solutions for home service businesses. United States $52M
- [**CoolSys**](https://millionrounds.com/company/coolsys) CoolSys is a market refrigeration and HVAC companies. United States $40M
- [**Optimum Energy**](https://millionrounds.com/company/optimum-energy) Optimum Energy provides energy optimization software solutions that enable enterprise companies to reduce their HVAC expenses. United States $38M
- [**Probook**](https://millionrounds.com/company/probook) Probook is a New York-based vertical AI company that provides an AI Operating System tailored for home services. United States $34M

### Building energy software

22 startups · $2.1B raised

- [**View**](https://millionrounds.com/company/view) View is a smart building technology company that produces smart windows that adjusts in response to external conditions. United States $1.9B
- [**R-Zero**](https://millionrounds.com/company/r-zero) R-Zero is a San Francisco-based smart building technology company founded in 2020. United States $105M
- [**KODE Labs**](https://millionrounds.com/company/kode-labs) KODE Labs is a smart building technology company based in Detroit, founded in 2017. United States $30M
- [**Recurve**](https://millionrounds.com/company/recurve) Recurve Analytics, Inc. United States $26M
- [*E* **EPS**](https://millionrounds.com/company/eps) EPS Corp. United States $20M
- [**Site 1001**](https://millionrounds.com/company/site-1001) Site 1001 is an AI-driven performance and operations platform for smart buildings. United States $17M
- [**Neeve**](https://millionrounds.com/company/neeve) Neeve is a San Francisco-based edge cloud infrastructure company that focuses on enhancing smart buildings, industrial operations, United States $15M
- [**Terion**](https://millionrounds.com/company/terion) Terion is an AI-based energy management software company based in Copenhagen, Denmark. United States $11M

### Retrofit and insulation

20 startups · $158M raised

- [**Wrightspeed**](https://millionrounds.com/company/wrightspeed) Wrightspeed provides electric drivetrains as retrofit kits to the heavy-duty truck market. United States $43M
- [**Intramotev**](https://millionrounds.com/company/intramotev) Intramotev is a St. United States $38M
- [**Vendscreen**](https://millionrounds.com/company/vendscreen) VendScreen is a Portland-based company founded in 2011 that specializes in retrofit touchscreen technology for vending machines. United States $33M
- [**OROS Labs**](https://millionrounds.com/company/oros-labs) OROS Labs is a materials technology company based in Portland, Oregon, founded in 2015 by Rithvik Venna and Michael Markesbery, wh United States $22M
- [**CleanFiber**](https://millionrounds.com/company/cleanfiber) CleanFiber is a materials science and building products company founded in 2013, specializing in high-performance, carbon-negative United States $4.5M
- [**Lapolla Industries**](https://millionrounds.com/company/lapolla-industries) Lapolla Industries is a global supplier and manufacturer of spray polyurethane foam insulation, reflective roof coatings, and equipment. United States $4.4M
- [**Yan Engines**](https://millionrounds.com/company/yan-engines) From chainsaws to container ships - YAN Engines is developing the D-Cycle piston, which can be retrofit or designed into existing United States $2.7M
- [**Oros Apparel**](https://millionrounds.com/company/oros-apparel) We started OROS to challenge the idea that warm outdoor gear has to be overstuffed and bulky. United States $2.0M

**How this map is made.** Every startup here has raised money in rounds we track, and is based in United States. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in green buildings, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026.

## More market maps

[All maps](https://millionrounds.com/market-maps)

[Market map **Green buildings market map** 185 startups · 4 segments · $4.6B](https://millionrounds.com/market-maps/green-buildings-market-map)[Market map · Europe **Green buildings market map: Europe** 73 startups · 3 segments · $1.3B](https://millionrounds.com/market-maps/green-buildings-europe-market-map)[New wave **New green buildings startups, founded 2020 on** 53 startups · 3 segments · $1.2B](https://millionrounds.com/market-maps/new-green-buildings-startups-market-map)[Market map · United Kingdom **Green buildings market map: United Kingdom** 35 startups · 3 segments · $465M](https://millionrounds.com/market-maps/green-buildings-united-kingdom-market-map)[Investors map **Who invests in green buildings** 31 investors · 3 segments](https://millionrounds.com/market-maps/green-buildings-investors-map)[Market map · United States **Defense tech market map: United States** 83 startups · 5 segments · $34B](https://millionrounds.com/market-maps/defense-tech-us-market-map)

## Who backs green buildings?

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