Service & Maintenance

Btu Buddy 15: Quickly Cooling A Hot Hermetic Compressor

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In this installment of the Btu Buddy series, Bob encounters a hot hermetic compressor and learns how to troubleshoot and diagnose the system problem.
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The Disastrous Effects Of Deferring Maintenance

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Attempting to force maintenance spending into specific lumps of time that do not meet the needs of our machines creates the need to defer maintenance. Maintenance budgets fail because budgeting authorities do not understand the disastrous consequences of deferring maintenance.
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Using Smart Tools In HVACR

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There are lots of useful tools for electrical work. To this day, we really can't tell that much about the refrigeration circuit. Here's a tool to help solve refrigeration circuit problems.
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Btu Buddy 14: Fixing A Chronic Leaking Residential A/C Unit

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In this edition of the Btu Buddy series, Bob learns the proper procedures for finding and fixing a refrigerant leak in a residential air conditioning unit.
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The Economizer, In A Nutshell

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The function of the economizer is, as its name implies, to "economize" or save on cooling costs. Learn more about the operation of economizers and get maintenance tips here.
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Btu Buddy 13: A Lunch Seminar With Bob And Btu Buddy

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In this installment of the Btu Buddy series, Bob and Btu Buddy meet at the local diner for lunch and discuss electric heat and the components that operate it.
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Preseason Air Conditioning Service

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With the heating season winding down and the cooling season soon upon us, it is time to reconsider what is involved in proper cooling system maintenance.
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Btu Buddy 12: Tackling Low Airflow With Electric Heat

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In this edition of the Btu Buddy series, Bob gets a call from the dispatcher about an office that has electric heat. It is very cold outside and one of the office zones is not heating as it should.
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A Review For Safety's Sake

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For some of you, this article will be a review to refresh your memory about the importance of "safety first." For those of you starting out as technicians, it could keep you from serious injury - or worse - out in the field.
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Btu Buddy 11: Handling An Over-Fired Boiler

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In this installment of the series, Bob is called to do a tuneup on an oil boiler. When he starts it up, he finds too much heat is going up the flue. Btu Buddy helps him in narrowing down a solution.
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