This year, we celebrate under the powerful theme: “Cool Skills” It’s a tribute to the dedicated professionals behind refrigeration, air-conditioning, and heat pump (RACHP) systems—the hidden champions who keep our world running.From safeguarding vaccines and medicines to making food supplies dependable and heatwaves survivable, RACHP technicians and engineers are essential to public health, safety, and comfort. And they’re doing it all with sustainability in mind.