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Home » Topics » HVAC Contracting

HVAC Contracting
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Maximizing Chiller Efficiency

November 24, 2004
Chillers are the single largest energy-using component in most facilities and can typically consume over 50 percent of the electrical usage. This article details steps that can be taken to help maximize chiller efficiency.
Read More

Using The P-T Card As A Service Tool

November 24, 2004
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

November 14, 2004
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.
Read More
Dehumidifier

Alternatives For Dehumidification In Commercial Buildings

November 14, 2004
Controlling humidity in commercial buildings used to be a difficult undertaking. The advent in recent years of alternative dehumidification technologies has made the dehumidification process far more energy efficient and affordable.
Read More

The Four Things That Drive Your Customers Crazy

November 14, 2004
The service you provide can either soothe - or increase - a customer's feelings of panic and irritation. That's why a better understanding of common complaints from customers about contractors can help you a lot.
Read More

Hot Topics, Cool Solutions 9: The Power Nap, And More

October 31, 2004
The hours we work during the busiest times are extraordinary. I find myself struggling to stay awake at work or, worse yet, when I'm driving. But, I keep pushing myself because of the workload. Is there someway to make this better?
Read More

Energy Efficiency Pays

October 31, 2004
Most energy-efficient homes have dozens of little improvements that individually add little to construction costs, yet together yield big savings.
Read More
Motor

Electric Motor Brake Horsepower Calculations

October 31, 2004
These motor calculations are useful wherever electric motors are used. These simple calculations can be used to solve motor installation and troubleshooting problems in a variety of applications.
Read More

Benefits Of Ultrasonic Testing In Determining Pipe Corrosion

October 14, 2004
While improvements in instrumentation have moved ultrasonic testing technology into more areas, its benefits to facility managers, plant engineers, and technicians as a diagnostic and predictive tool are still widely unknown and underutilized.
Read More

Btu Buddy 19: Compressor With Low Oil Level

October 14, 2004
In this installment of the Btu Buddy series, Bob encounters a compressor with very low oil level. Btu Buddy explains that the low oil level is a normal function of this system for this time of year.
Read More
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