ACCA
Is a group of over 4,000 air conditioning contractors who work together to improve our industry, promote good practices, and keep homes and buildings safe, clean...
AHRI
Is the trade association representing more than 300 manufacturers of air conditioning, heating and commercial refrigeration equipment.
Energy Star
Is the trusted, government-backed symbol for energy efficiency helping us all save money and protect the environment through energy-efficient products...
Heil-HVAC
This website offers you all the information you need to find the air conditioner, heat pump or gas furnace that is right for your home.
Illinois Energy
Take a closer look at the many ways the Department of Commerce and Economic Opportunity (DCEO) can help your business achieve success in Illinois.
Lennox
With more than 6,000 dealers in North America, you can rest assured we have the perfect comfort solution for you whether you're looking for a new system...
MEEA
Is a collaborative network advancing energy efficiency in the Midwest to support sustainable economic development and...
Nicor Gas
Offers ideas and tools to help Illinois residents and businesses in Nicor's territory save energy and money.