The KRD Radial Blade Blowers are precision, balanced air-moving packages that feature a compact design and heavy-duty welded steel housing and motor base. The self-cleaning, cast aluminum wheels are ideal for exhaust systems where air is laden with dirt, lint, or foreign materials.

This line of turbo pressure blowers is designed for pressures to 80 inches static pressure water gauge (SPWG) with capacities up to 8,000 cfm.

The product is ideal for supplying fresh air in fume-control systems and is also a good choice for fans used in dust-collection systems; air-purification units; woodworking machinery; and combustion air for incinerators, ovens, furnaces, kilns, and dryers.

Blower motor breakdown can be the result of anything from old age to failed bearings, high amp draw, electrical failure in the windings, dirt accumulation, and more. Knowing how to troubleshoot and diagnose problems with these motors is an essential skill an HVAC technician must possess.

High-end furnaces are an important part of the whole-house comfort solution and can help HVAC contractors set themselves apart from their competition.

Many professionals are wondering exactly what’s involved in this test, the equipment that’s needed, third-party testing, and how to pass these tests. Let’s take a look at some of the basics for residential duct-leakage testing.

While not all contractors consistently offer ECMs, those who do often report increased profits as well as improved customer comfort and satisfaction.