Extra Edition

Btu Buddy 26: Checking A Heat Pump With Dirty Indoor Coil

In this installment of the Btu Buddy series, Bob examines a heat pump system and finds the airflow is low. He discovers that the problem is a dirty coil.
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Profiting With Modern Digital Gauges

As an owner-operator, my tools are essential to my work; they can be either a solid contributor or a cause of headaches. On a typical workday, my digital analyzer saves me work time, callbacks, and helps me keep my customers happy.
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Hot Topics, Cool Solutions 15: Picking A Service Manager, And More

I grew my company to six techs and hired a service manager from another company. We've been battling for months. He acts like I work for him. Finally, he quit today and I'm relieved and afraid. What should I do?
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Avoiding TXV Trauma

To ensure maximum TXV performance, here are some tips on bulb mounting/location, brazing, valve orientation, external equalizer use, superheat adjustment, and troubleshooting.
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UA President Addresses MCAA Conference

The text here was excerpted from a speech given by Bill Hite, recently elected general president of the United Association (UA). The speech was delivered at the Mechanical Contractors Association of America (MCAA) national convention.
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Refrigerant Rule Provides Direction For Managing Leak Repairs

With the recent changes in the U.S. Environmental Protection Agency's (EPA's) 13-year-old refrigerant regulations, organizations must now really look at how they manage and account for refrigerants because EPA enforcement is now a black and white issue.
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Selling Commercial Service Agreements - Part 2

This is the second of a four-part series on selling commercial service agreements. This series is designed as a complete A-Z on how to sell and organize for commercial service agreements. This article covers equipment and system surveying and data gathering.
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Btu Buddy 25: Changing A Four-Way Valve On A Heat Pump

To finish the job they were working on last week (see "Btu Buddy 24: Looking At A Heat Pump Drawing A Lot Of Power"), Bob meets Btu Buddy at the jobsite to change the heat pump's four-way valve.
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Energy Recovery Wheel Maintenance

The maintenance requirements of filters, blowers, and motors are well known, but familiarity with energy recovery wheels is not as high. Understanding and implementing maintenance requirements for energy wheels will improve performance, effectiveness, and the life of the wheel.
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Hot Topics, Cool Solutions 14: Growing Sales, And More

I want to grow my average sales per job. Is there anything I should be doing to make that a reality?
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2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.


NEWSMakers: Matt Barga

Matt Barga, portfolio manager — a/c and coils, Ingersoll Rand, discusses how the company is working to comply with the new energy conservation standards for heat pumps and air conditioners that go into effect on Jan. 1, 2015. Posted on Dec. 19.

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NEWS 12-15-14 cover

2014 December 15

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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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