Charging a refrigeration system is one of the most challenging and puzzling tasks a service technician will face. How much refrigerant a technician should put into a system when charging is a tough ...

Many entering technicians feel like they can never absorb all the details that are involved in the HVACR industry. It is much like looking over a large Thanksgiving meal and wondering how you can ...

ALTMUNSTER, Austria, Feb. 1, 2026 /PRNewswire/ -- Kaltra has announced an expansion of its microchannel tube size portfolio, reinforcing its long-term vision of minimizing refrigerant charge while ...

Scientists at Germany’s Fraunhofer Institute ISE and a consortium of heat pump manufacturers have achieved a new efficiency record in their development of a low-refrigerant propane refrigeration ...

Keeping equipment operators productive as summer comes on requires an air conditioning system maintained to harness some cool physics. Most of the maintenance is pretty simple, but knowing how and ...