Building Efficiency Services (BES) is an energy efficiency contractor focusing on large Multi-Family properties in New York. BES understands that every NYC building is unique. That is why BES provides custom solutions and executes the full project lifecycle. BES is also passionate about emerging technology & solutions to conserve energy and reduce operating costs. For over 15 years, they have been committed to helping property owners not only reduce operating expenses but also enhance resident comfort and comply with local laws. By leveraging eligible incentives and financing to offset costs, BES creates a seamless, cost-effective experience for their clients. Their proven track record includes saving more than three million therms and successfully retrofitting over 70,000 radiators in over 250 buildings.

BES is a proud NYC Accelerator Service Provider and awarded the exclusive 2022-2023 Innovator Award. NYC Accelerator is leading the effort to help New York achieve a net-zero carbon emission economy by 2050. BES is proud to be an awarded partner in that effort.