Quilt Tech Stack

Smart heat pump systems with room-by-room climate control and predictive efficiency

HVAC and Refrigeration Equipment Manufacturing Redwood City, California 11–50 employees Founded 2022 Privately Held

Quilt manufactures connected heat pump systems for residential climate control, built on embedded C/C++ firmware (FreeRTOS, Modbus) with cloud connectivity and OTA updates. The stack reveals a hardware-software co-design focus: ANSYS, COMSOL, and Dymola appear alongside traditional firmware tools, indicating thermal simulation and control-loop modeling are core to product development. Early-stage hiring (6 roles, engineering-focused) and active pain points around hardware-dependent testing and adoption friction suggest the company is scaling from prototype toward production while solving real integration challenges in the heat-pump market.

Tech Stack 23 technologies

Core StackC++ GitHub Actions Python MATLAB C WiFi Bluetooth Low Energy UART I2C Modbus FreeRTOS Instagram LinkedIn Bazel Google Test Arduino Raspberry Pi ANSYS Dymola COMSOL

AdoptingPinterest Meta TikTok

What Quilt Is Building

◆Challenges

Hardware dependency in testing
Lack great design
Limited use of software
Difficult and stressful to adopt
Building new social channels
Manual testing bottleneck
Difficult to adopt heat pumps
Transitioning homes to electric heat pumps
Efficient electric heat pump design
User-friendly heat pump adoption

▲Active Projects

Heat pump embedded software
Device-cloud communication
Ota update mechanisms
Building new social channels
Developing content strategy
Managing creator ecosystem
Test infrastructure for heat pump products
Hardware-in-the-loop test infrastructure expansion
Device simulators and mocks development
Next generation smart home heating and cooling system

Hiring Activity

Steady6 roles · 2 in 30d

Department

Engineering

Marketing

Seniority

Mid

Junior

Manager

Senior

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About Quilt

Quilt designs and manufactures smart heat pump systems for residential heating and cooling, positioning the technology as a path toward electrified home climate without fossil fuels. The product includes room-by-room control, occupancy-aware operation, and predictive efficiency features. Founded in 2022 and based in Redwood City, California, the company employs 11–50 people, with engineering dominating the current hiring focus. Active development spans embedded firmware, device-cloud communication, OTA mechanisms, and test infrastructure—reflecting the operational complexity of deploying networked hardware into homes. Marketing efforts are beginning to scale through social and creator partnerships.

HeadquartersRedwood City, California

Company Size11–50 employees

Founded2022

Hiring MarketsUnited States

Frequently Asked Questions

What is Quilt's tech stack?

Quilt uses C, C++, FreeRTOS, and Modbus for embedded firmware; WiFi and Bluetooth Low Energy for connectivity; ANSYS, COMSOL, and Dymola for thermal simulation; and Python, MATLAB, GitHub Actions, and Bazel for development and testing.

What is Quilt working on?

Core projects include heat pump embedded software, device-cloud communication, OTA update mechanisms, and hardware-in-the-loop test infrastructure. Marketing efforts focus on new social channels, content strategy, and creator partnerships.