Budderfly

Budderfly is an American energy-efficiency-as-a-service (EEaaS) company headquartered in Shelton, Connecticut. Founded in 2002 by Al Subbloie, the company targets the commercial and industrial building sector — quick-service restaurants, convenience stores, grocery chains, retail outlets, and similar multi-site operators — and offers to design, install, own, and maintain energy-saving equipment on the customer's premises without requiring an upfront capital outlay. Budderfly then shares in the resulting energy savings, typically through a long-term contract in which the customer pays a portion of the savings achieved. The company's offering bundles a wide range of building systems and efficiency measures: high-efficiency LED lighting, HVAC and refrigeration upgrades, building controls and energy-management systems, sub-metering, and increasingly on-site renewable generation such as solar. Budderfly positions itself as a turnkey partner that removes the capital, technical, and operational barriers that prevent small and mid-sized commercial operators from pursuing energy-efficiency projects. Rather than selling equipment, it sells an outcome — lower energy consumption and lower utility bills — and monetizes the difference. Budderfly has grown through a combination of direct sales to multi-site chains and strategic partnerships with utilities, energy suppliers, and franchise operators. The company has raised significant growth capital from private investors to fund the equipment it installs on customer sites, since it carries the upfront cost of each project on its own balance sheet. Its business model is often described as a form of energy infrastructure financing combined with managed services. As a private company, Budderfly does not disclose detailed financial results, but it has been recognized in industry rankings of energy-service and cleantech companies. Its customer base spans restaurant chains, convenience-store networks, and other distributed commercial real-estate portfolios across the United States. The company's value proposition aligns with broader corporate decarbonization and energy-cost-reduction goals, and it has benefited from rising utility rates and corporate sustainability mandates.

Budderfly was founded in 2002 by Al Subbloie, a serial technology entrepreneur, and is headquartered in Shelton, Connecticut. The company was established around the idea that many commercial and industrial buildings — particularly small and mid-sized, multi-site operators such as restaurants, convenience stores, and retail chains — were leaving substantial energy savings on the table because they lacked the capital, expertise, or operational bandwidth to undertake efficiency retrofits. Budderfly's model was to remove those barriers by financing, owning, and maintaining the efficiency equipment itself and then sharing in the savings. Over the 2000s and 2010s, Budderfly built out a platform that combined energy auditing, engineering, equipment procurement, installation, and ongoing monitoring and maintenance. The company expanded its technology scope from lighting into HVAC, refrigeration, controls, and eventually on-site generation. It also developed financing and contracting structures that allowed it to serve customers with dozens or hundreds of locations under a single master agreement. A significant phase of growth came as energy costs rose and corporate sustainability programs proliferated. Budderfly raised growth capital from private investors to fund the equipment it installs, since the upfront cost of each project sits on its balance sheet. The company has been recognized in industry rankings and has partnered with utilities and energy suppliers to reach customers. It remains a privately held company and continues to target the distributed commercial building market in the United States.

• 2002

  Budderfly founded by Al Subbloie; headquartered in Shelton, Connecticut.

• Expanded service scope from LED lighting into HVAC, refrigeration, controls, and on-site generation.

• Raised private growth capital to finance equipment installed at customer sites.

Turnkey, capital-free energy-efficiency partner for commercial and industrial buildings, monetizing shared energy savings.

• Energy-efficiency-as-a-service (EEaaS)

  Turnkey program in which Budderfly designs, installs, owns, and maintains efficiency equipment and shares in the resulting savings.

• LED lighting retrofits

  High-efficiency lighting upgrades for commercial and industrial facilities.

• HVAC and refrigeration upgrades

  Efficiency improvements to heating, ventilation, air-conditioning, and refrigeration systems.

• Building controls and energy management

  Controls, sub-metering, and monitoring systems to optimize energy use.

• On-site solar

  Renewable generation installed at customer locations.

1. 1Budderfly official websitebudderfly.com
2. 2Sustainability Magazine: Budderfly Earns Bronze for Company of the Year at the Global Sustainability Awards 2026 - Budderflynews.google.com