Bank of America is making what it calls a “strategic investment” in a Philadelphia firm as part of its strategy to become a more environmentally friendly company.

Just how much the bank is investing in Field Diagnostic Services was not disclosed.

Field offers energy management solutions. Bank of America said it would deploy Field technology across the company in order to cut energy costs and reduce greenhouse gas emissions.

Field provides clients with enterprise software for heating, ventilation and air conditioning management as well as handheld diagnostic tools and project management services.