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cfm Tech Tips – Operating and Troubleshooting Furnace Pressure Switches

Beginning January 1, 1992, all furnaces were manufactured with an integrated furnace control board, often referred to as FCB (Furnace Control Board). The FCB manages all operation requirements of the furnace. Fault and Information codes are displayed by one or more LEDs on the board. The FCBs used by York/JCI have the ability to store
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York’s Modulating Heat Pumps – The NEXT Thing for Ground Source Contractors! What?

What do YORK’s new Modulating Heat Pumps have to do with Ground Source? Quite a bit, it turns out. Here’s why – Ground Source Heat Pumps were successfully sold in areas where relatively inexpensive natural gas was unavailable and the only alternative was conventional air source heat pumps utilizing electric strip heat as the supplemental
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Ductless, What is it Good For?

There are only two types of people in this world: Mac or PC users, MU or KU fans, people you drink with or people that make you want to drink, and those that do or do not consider hot dogs a sandwich. In recent years, I have found there are two types of HVAC contractors
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Energy Analysis Case Study – Unit Heaters vs Tube Heaters – Part II

Earlier this spring we wrote a blog post discussing why you might choose unit heaters or tube heaters for your heating only project. The article detailed how each type of system worked, which applications were ideal for each style, and which applications were not ideal. But it was missing something. Where was the real world
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Tube Heaters or Unit Heaters? Let the Debate Begin

This is one of the most common questions we get during the fall and winter seasons. Owners want to know what type of heating equipment they should use for their commercial warehouses and buildings, especially in their heating only applications. And for good reason; it is a tricky question. Before we get started, keep in
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