Filter-driers play a pivotal role in the operation of air conditioning and refrigeration systems. At the heart of the unit is the desiccant held in its cylindrical metal container. As important as the ...

PRESSURE TAPS: Filter driers can be purchased with Schrader valves (pressure taps) on their inlets and outlets (left), or just on the inlet (right). A pressure drop of more than 2 psi measured with ...

Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...

Dryers that don’t dry, vacuum cleaners that don’t clean, and air conditioners that don’t cool might be plagued by the same problem: a clogged or dirty filter. To keep many appliances in tip-top shape, ...

This common HVAC mistake could be raising your energy bill by 15%. Find out how and when to replace your furnace filter to save money.