# Quilt Systems

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/quilt-systems

- Industry: Heating, Cooling & Ventilation Equipment and Services
- Headquarters: Redwood City, US
- Website: www.quilt.com
- Total disclosed funding: $62M
- Latest round: Series B (Dec 8, 2025)
- Investors on record: 10

## About

Quilt Systems, Inc., based in Redwood City, US, specializes in innovative ductless heat pump systems, providing efficient heating and cooling solutions for residential spaces across North America.Founded in 2022 by Bill Kee and Paul Lambert, Quilt Systems, Inc. focuses on advanced climate control technologies. The company operates from its headquarters in Redwood City, US. In December 2025, Quilt Systems, Inc. raised USD 20 million in series B funding co-led by returning investors Energy Impact Partners and Galvanize Climate Solutions, with participation from other returning investors Gradient Ventures, Incite Ventures, and Lowercarbon Capital. New investor Alumni Ventures Group and other unspecified investors also participated in the round. Quilt specializes in providing advanced ductless heat pump systems that offer efficient heating and cooling solutions tailored for residential spaces. Their core product offerings include the Quilt Indoor Unit, Quilt Outdoor Unit, Quilt Dial thermostat, and the Quilt App, which collectively create a seamless climate control experience. These products utilize intelligent occupancy sensing technology, allowing users to manage temperature settings on a room-by-room basis for personalized comfort. The Quilt system is designed to reduce energy consumption while maintaining optimal climate conditions, making it suitable for various environments, including homes, offices, and even houseboats. Quilt's products are primarily targeted at consumers in North America, with a notable presence in urban markets such as Portland and Bend, where they partner with local installers to enhance accessibility for homeowners seeking efficient climate solutions.Quilt operates on a direct-to-consumer model, wherein customers engage with the company through a network of Quilt Certified Partners for installation and service. The revenue structure is primarily based on the sale of their heat pump systems and associated products, including the Quilt Dial thermostat and subscription access to the Quilt App for enhanced functionality. Transactions typically involve upfront payments for the installation of the system, followed by optional service agreements for ongoing maintenance and updates. The company emphasizes its industry-leading 12-year product warranty, enhancing customer confidence in their investment. This pricing strategy aims to attract homeowners looking for long-term efficiency and comfort solutions, with a focus on sustainable living and energy savings. The company plans to utilize the December 2025 funding to drive more rapid growth, introduce additional products, broaden its service regions, and speed up the creation of new features for both homeowners and partners.

## Funding rounds

- Series B, Dec 8, 2025, $20M — Alumni Ventures Group, Energy Impact Partners, Gradient Ventures, Incite Ventures, Lowercarbon Capital, Galvanize Climate Solutions
- Series A, Apr 16, 2024, $33M — Energy Impact Partners, Gradient Ventures, Incite Ventures, Garage Capital, Lowercarbon Capital, MCJ, Galvanize Climate Solutions
- Seed, May 16, 2023, $9M — Gradient Ventures, Incite Ventures, Garage Capital, Lowercarbon Capital, MCJ, Spacecadet Ventures, Climate Capital

## Investors

- Gradient Ventures (https://capitalatlas.ai/funds/gradient-ventures) — Seed, Series A, Series B
- Incite Ventures (https://capitalatlas.ai/funds/incite-ventures) — Seed, Series A, Series B
- Garage Capital (https://capitalatlas.ai/funds/garage-capital) — Seed, Series A
- Lowercarbon Capital (https://capitalatlas.ai/funds/lowercarbon-capital) — Seed, Series A, Series B
- MCJ (https://capitalatlas.ai/funds/mcj) — Seed, Series A
- Spacecadet Ventures (https://capitalatlas.ai/funds/spacecadet-ventures) — Seed
- Climate Capital (https://capitalatlas.ai/funds/climate-capital) — Seed
- Energy Impact Partners (https://capitalatlas.ai/funds/energy-impact-partners) — Series A, Series B
- Galvanize Climate Solutions (https://capitalatlas.ai/funds/galvanize-climate-solutions) — Series A, Series B
- Alumni Ventures Group (https://capitalatlas.ai/funds/alumni-ventures-group) — Series B