-
Business & Services
-
For Consumers
-
About Us
-
Career
-
Press and Events
CSG Business & Services
At CSG, our expertise is deep and wide-ranging—and backed by years of real-world experience in energy efficiency and clean energy services. We have unequalled expertise in building sciences, public policy, energy efficiency programs for residential and commercial buildings, and renewable energy development. We have a broad knowledge of quality analysis, quality control and all areas of designing and implementing programs and processes.
- RESIDENTIAL RETROFIT
Employing a “whole house approach,” our programs in residential retrofitting improve a home’s energy consumption by using cost-effective measures that do not require extensive remodeling work.
- NEW CONSTRUCTION
Combining our expertise in energy efficiency and building science, we deliver a a range of products and services from building certification to energy modeling and diagnostic testing, to ensure that homes are more energy/resource efficient, durable, safe, and affordable.
- HEATING/COOLING (HVAC)
Working with key industry groups for more than a decade, we promote efficiency standards for right-sizing equipment, early replacement, quality installation, and maintenance.
- APPLIANCE RECYCLING
Partnering with energy program administrators, utilities, state agencies, municipalities, and other groups we manage large-scale appliance recycling, demanufacturing, and materials reclamation.
- CLEAN ENERGY MARKETS
Pioneering Renewable Energy Certificate (REC) accounting systems and promoting Renewable Electricity Standards (RES) and green power products, we support existing and emerging clean energy technologies.



