Emerson Climate Technologies Inc. will present an Internet seminar on refrigerants at 2 p.m. Eastern today.

“Making Sense of Natural Refrigerants” is part of Emerson’s free “Making Sense” webinar series and will look at the issues the HVAC construction refrigerants industry faces with global warming and new federal regulations expected to be introduced this summer.

Andre Patenaude, a business development director at Emerson Climate Technologies, will host the webinar. Patenaude has extensive experience with various refrigeration systems from his three decades in the industry, officials say.

Scheduled topics include:

New refrigerants

Why propane and ammonia are growing more popular

Differences between carbon dioxide and hydrofluorocarbons

Systems that use natural refrigerants

Regstration information and more seminar details are available here.