Service & Maintenance

Btu Buddy 24: Looking At A Heat Pump Drawing A Lot Of Power

In this edition of the Btu Buddy series, Bob must diagnose a heat pump problem at a home where the power bill has risen dramatically in the last two months. Btu Buddy assists him in troubleshooting the system.
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Gas Furnace Maintenance

This article provides recommended gas furnace maintenance procedures. The performance and operation of the furnace should be checked every year. This ensures the furnace owner of receiving the best possible performance and comfort from the equipment.
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Btu Buddy 23: Handling A Frozen Outdoor Coil On A Heat Pump

In this installment of the Btu Buddy series, Bob finds a frozen outdoor coil on a heat pump that will not defrost. Btu Buddy helps in determining the problem.
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Water Quality Guidelines For Evaporative Cooling Products

A proper water treatment program, administered under the supervision of a competent water treatment specialist, is an essential part of routine maintenance to ensure the safe operation and longevity of evaporative cooling equipment. Here are some treatment tips.
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Btu Buddy 22: Finding Excess Heat Exchanger Scale

In this edition of the Btu Buddy series, Bob goes on a no heat call and finds some large pieces of scale laying on a burner surface. Btu Buddy notes there are several possibilities for excess heat exchanger scale and helps Bob pinpoint the source.
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Heat Pump Electrical Component Checks

In performing service and troubleshooting on heat pump systems, there are various electrical components to be checked. This article provides information to aid in inspecting and servicing these components.
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Btu Buddy 21: A Problem Of House Windows Sweating

In this installment of the Btu Buddy series, Bob goes on a heating service call where all the windows in the house are sweating. Btu Buddy assists in investigating to find the cause.
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Ten Dumb Things Smart People Do When Testing Electricity

The pressures of getting a job done on time or getting a piece of equipment back on-line quickly can result in mistakes by even seasoned technicians. This article provides a reminder of what not to do when taking electrical measurements.
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Using The P-T Card As A Service Tool

The purpose of this article is to demonstrate the proper use of the pressure-temperature relationship, and to illustrate how it can be used to thoroughly analyze a refrigeration or air conditioning system.
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Btu Buddy 20: A Training Lunch With Btu Buddy

In this edition of the Btu Buddy series, Bob and Btu Buddy meet for a training lunch after the previous day's low oil in the sight glass service call. Btu Buddy discusses oil and oil circulation in an A/C system.
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NEWSMakers: Kari Arfstrom

Kari Arfstrom, executive director of the HVACR Workforce Development Foundation, talks about the upcoming HVACR & Mechanical Conference. Posted on Jan. 23.

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