IE3: Indoor Environment & Energy Efficiency - Business Intelligence for Professional Contractors
The A, B, C, D’s of Fire Extinguishers

A fire extinguisher is likely one of those taken-for-granted things you don’t give much thought to until you need it. Hopefully, each of your company’s fleet vehicles is equipped with a fire extinguisher for use on the job. But, if the vehicle is parked half a block away from the job site, good intentio
Read more
January 2017 Tech Challenge – Answer

A Coca Cola cooler utilizing R-134a with a TXV metering device with receiver, has a customer complaint of “warm pop.” The symptoms confirm warm product and the condensing unit is cycling frequently on the low pressure control. With only one problem intended, what are the “possible causes” with the follo
Read more
Should You Offer HVAC Recycling?

Although some HVAC installations involve entirely new systems, for example, new homes or commercial buildings – many jobs involve replacing old equipment. Especially for consumers disposal of their old units can be problematic. According to the Environmental Protection Agency, the United States generate
Read more