Energy efficiency simply means using less energy to do the same task and thereby eliminating energy waste. It is one of the easiest and most cost effective ways to combat the environmental effects of consuming energy, clean the air we breathe, improve the competitiveness of our businesses and reduce energy costs for consumers. The department is working with universities, businesses and the National Labs to develop new, energy-efficient technologies while boosting the efficiency of current technologies on the market. For information related to work being done in Missouri related to this subject, visit our webpages below. 

Missouri Home Energy Certification
How to benefit from Home Energy Certification
Home Energy Audits
Becoming or finding a home energy auditor
Green Building Registry®
Add your energy assets to the Green Building Registry® database
Home Performance with ENERGY STAR®
Find out how you can use ENERGY STAR®
Home Energy Efficiency
How you can make your home more energy efficient
Energy Codes by Jurisdiction
Jurisdictions by county or city
Energy Financial Opportunities
Reduce your energy consumption while saving money and becoming more energy efficient
Commercial Buildings
Increase your energy efficiency in commercial buildings
Energy Efficiency Day
Make a difference
Show-me Green Sales Tax Holiday
ENERGY STAR® appliances state sales tax exemptions