Indoor Environmental Services



IES (Indoor Environmental Services) was incorporated in 1988 and is a family-owned business taking pride in its reputation for providing quality work in both California and Nevada. We are privileged to receive the majority of our work through customer referrals. IES operates four offices and shop facilities throughout California and Nevada, with our Corporate office being located in Sacramento. IES fabricates duct work, fittings, architectural sheet metal and miscellaneous sheet metal parts on-site. Our highly trained and skilled employees operate as members of our customers’ team from job dedicated Project Managers, Estimators, Registered Professional Engineers, and Construction Crews, to Certified Energy Managers and Controls and Service Technicians. IES offers our customers a comprehensive Energy Conservation/Generation model, extensive HVAC and plumbing services including chiller overhauls, air-filter services, water treatment services, vibration analysis refrigeration compliance and 24/7 emergency plumbing and HVAC services. As an added testament to our dedication and commitment for sustainability, IES has earned the U.S. Environmental Protection Agency’s prestigious ENERGY STAR. Other certification include: USGBC LEEDTM Certified professionals, LEEDTM, CEM and CIPE/CPD. IES is proud to be celebrating its’ 25th Anniversary in 2013.


Air Conditioning, Heating, Plumbing, Low-Temp Refrigeration, Building Automation, Building Operations, Energy Savings Solutions, Test and Balancing, Commissioning/Retro-commissioning, Data Center AC Service, Design and Installation, Chiller Replacement and Repair, Boiler Service and Replacement, Water Treatment

States Served:



Contact Name:

Stan Butts

Contact Title:

Vice President

Contact E-mail:


1512 Silica Avenue
Sacramento, CA 95815


(916) 988-8808