[Editor’s Note: This is part two of the two-part series on combustion analysis.] Safety of the appliance should be the primary goal of all technicians. The production of carbon monoxide (CO) in the ...

Of the three ways to comply with the Mercury and Air Toxics Standards for particulate matter (PM) measurement, using an optical PM continuous emissions monitoring system (CEMS) also delivers valuable ...

The Environmental Protection Agency’s emission factor resource, AP-42, is not your only option for developing particulate matter (PM) emission rates. Results of a prominent PM emissions measurement ...

As HVACR technicians, assessing whether the furnace we’re servicing is working efficiently is critical to understanding the overall health of the HVAC system — and to the success of our service call.

A new study published in Frontiers in Energy employs a "segmented voltage monitoring method," which integrates voltage leads ...