Items Tagged with 'HVAC troubleshooting'

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Troubleshooting Challenge: A Gas Furnace That’s Operating Intermittently

By Jim Johnson
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Your troubleshooting situation involves a standard natural gas, induced draft, hot surface ignition system furnace. This is a new installation that has been accomplished in anticipation of the upcoming heating season, and the problem is that during the initial start-up the unit did not perform properly.


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Btu Buddy 137: Heat Pump Problem in the Summer

By Bill Johnson
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Bob and Tim were on their way to a no cooling call; in fact, it sounded like a heating call. The customer has a bonus room on the third floor that used to be attic space. When Bob and Tim arrived, the customer told them, “The bonus room upstairs seems much too hot and the air coming out of the registers is hot to the touch.”


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Troubleshooting Challenge: A System That’s Blowing Warm Air in July

By Jim Johnson
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This month’s troubleshooting situation involves an air-to-air package unit heat pump that is approximately six years old, and the customer’s complaint is that, rather than providing cooling, it’s just blowing warm air.


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Btu Buddy 134: An Unusual Service Call

By Bill Johnson
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Bob and Tim were on their way to a no cooling call. The spring season was still cool at night and warm in the daytime. The customer told the dispatcher, “The unit started up at about 10:30 a.m. this morning and made a noise, but did not cool the house, even though it is still running.”


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Troubleshooting Challenge: An A/C System That’s Not Keeping the House Comfortable

By Jim Johnson
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In this month’s troubleshooting situation, our customer’s description of the problem is “not cooling” and “blowing warm air,” and the equipment that is supposed to keep this residence comfortable is a split system that has been in service for 16 years.


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Hands-Free HVAC Troubleshooting and Diagnostics

System Approach Makes Troubleshooting Faster, Easier, and More Affordable
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Among the more stressful challenges facing HVAC service providers is meeting customer demands for rapid diagnosis and repair of their systems. For many HVAC contractors the solution can be found in a compact electronic measurement system that can monitor and log the status of all HVAC functions.


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Troubleshooting Challenge: A Split System That’s Still Sitting Dead

By Jim Johnson
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In this month’s troubleshooting problem we have a homeowner who has attempted to repair his own equipment, and he has replaced two components. The original symptom of the split system sitting dead still exists.


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Troubleshooting Challenge: A Gas Furnace That Heats, But Not Enough

By Jim Johnson
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This troubleshooting problem brings you to a three-bedroom, ranch style home on a concrete slab, which, as most typically do in this area of the Southwest, employs a rooftop evaporative cooling system in the summer and an upflow forced-air gas furnace for heating in the winter. The customer says one of the bedrooms “just won’t get comfortable.”


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