Sustainable Projects Group (SPG) is a design-build energy efficiency company that partners with industry leaders to achieve measurable energy savings through innovative solutions. Specializing in energy efficiency projects such as LED lighting upgrades, high-efficiency boiler and HVAC improvements, and building system retro‑commissioning, SPG customizes solutions to meet the unique needs of every client. Based on thorough energy audits, SPG identifies projects that deliver the highest savings potential and quick paybacks. Our diverse team of experts includes engineers, energy auditors, skilled trades professionals, and scientists, offering comprehensive expertise through a single point of contact to reduce project risks and costs.