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Cala Systems logo — The intelligent water heater that customizes heating for eac...

Cala Systems

The intelligent water heater that customizes heating for each home, each day to make hot water a zero emission comfort.

Founded 2020 United States Somerville, United States 20 employees Seed Total: $7.70M Energy, Renewable Energy +1

General Information

Company Name Cala Systems
Founded Year 2020
Location United States Somerville, United States
Employees 20
Industries Energy, Renewable Energy, Energy Efficiency
Funding Stage Seed
Business Model D2C, E Commerce, B2B2C
Revenue Model Product Sales, One Time Purchase
Social

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About Cala Systems

Altus Thermal, founded in 2020, is based at Greentown Labs HQ in the United States and operates within the Energy, Renewable Energy, and Energy Efficiency industries. The company's mission, encapsulated in its slogan, "Rethinking energy use in the home," reflects its innovative approach to residential energy consumption.

In its latest funding activity, Altus Thermal secured a significant $5.26M Seed Round investment on January 10, 2024. This round attracted distinguished investors such as Clean Energy Venture Group, Burnt Island Ventures, Massachusetts Clean Energy Center, and Climate Tech Circle.

The strategic interest from these investors underscores the trust and potential seen in Altus Thermal's value proposition of enhancing energy efficiency in homes. For venture capitalists, Altus Thermal represents a compelling opportunity to enter a burgeoning market focused on sustainable and innovative energy solutions.

Business keywords: energy use, home, rethinking, Greentown Labs, environmental, smart home, innovation

Services & Products

Customizable heat pump water heating
Smart home energy management
Solar energy system integration
Time-of-use rate optimization
Energy efficiency consulting

Target Customers

Homeowners with solar systems Environmentally conscious consumers Technology-savvy homeowners Installers and contractors Utility companies offering rebates

Funding Rounds & Investors (6)

View All
Funding Stage Amount Investors Lead Investors Date
Seed Round $5.26M 4
Clean Energy Venture Group Burnt Island Ventures Massachusetts Clean Energy Center
Clean Energy Venture Group, Burnt Island Ventures +2
10 Jan 2024
Convertible Note $800.00K -
16 Jan 2023
Grant $250.00K 1
Massachusetts Clean Energy Center
Massachusetts Clean Energy Center
01 Jan 2023
Convertible Note $575.00K -
30 Jun 2022
Convertible Note $750.00K -
21 Dec 2020
Grant $65.00K 2
MassVentures Massachusetts Clean Energy Center
MassVentures, Massachusetts Clean Energy Center
07 Oct 2020

Cala Systems Alternatives & Competitors

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Cala Systems vs
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Cala Systems vs
Caliza
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Cala Systems vs
geo (Green Energy Options)
geo (Green Energy Options) United Kingdom

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FAQ About Cala Systems

The intelligent water heater that customizes heating for each home, each day to make hot water a zero emission comfort.
Cala Systems was founded in 2020.
Cala Systems is headquartered in Somerville, United States.
Cala Systems operates in Energy, Renewable Energy and Energy Efficiency. Its work centres on energy use, home, rethinking and Greentown Labs. Its customers include Homeowners with solar systems, Environmentally conscious consumers and Technology-savvy homeowners.
Cala Systems has a D2C, E Commerce and B2B2C business model. Its revenue comes from Product Sales and One Time Purchase.
Cala Systems has approximately 20 employees.
Cala Systems has completed 6 funding rounds, raising a total of $7.70M. The latest funding stage is Seed.
Cala Systems offers: Customizable heat pump water heating, Smart home energy management, Solar energy system integration, Time-of-use rate optimization, Energy efficiency consulting.
Top alternatives and competitors to Cala Systems include S-Labs , Caliza, geo (Green Energy Options), dcbel, Huayu New Energy. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Cala Systems and S-Labs are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Cala Systems, https://bouncewatch.com/company/altus-thermal, updated 20 July 2026. When citing, please name BounceWatch and link this page.

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