A foreman of ours came in and said he had heard on a jobsite that we were going out of business or were selling to another company. Now I had heard rumors like that about almost every other contractor in our area, but it had never gotten back to me that stories like that had been going around about us.
Yes, the world is changing all around us. Yes, people are spending less this year. Yes, we are all tightening our belts in one way or another, but is the sky really falling? Are you looking at the opportunities hidden in these challenging times?
How do you fit in not only an upflow furnace, but also the larger 13 SEER or higher A coils and other equipment in an installation? That was the dilemma that Karl Skog, owner, Crosslake Sheetmetal, Crosslake, Minn., and others at the company wrestled with and ultimately resolved with the creation of a counter flow box.
Contractors who work together in a noncompetitive atmosphere know there is a lot to be gained from the experience. This was proved again when the Unified Group held its 10th Annual Owners’ Forum in Puerto Rico. More than 55 members met to share best practices and discuss current challenges.
One of the main components of any refrigeration or air conditioning system is the condenser. As its name implies, one of the main functions of the condenser is to condense the refrigerant sent to it from the compressor. However, the condenser also has other functions.
For the last five years, the supermarket industry has undergone a gradual shift in thinking regarding the preferred method for controlling evaporator discharge air temperature. You might call it an untypical … and more modern approach.
When a typical refrigeration unit is cycling on about eight times every hour and holding temperature, contractors are a pretty happy lot. But what if the same unit only cycles on every two hours or so and still holds temperature?
A popular metering device used on many fractional horsepower refrigeration systems is the cap tube. But one field problem encountered with this type of metering device is that it can become plugged with system debris, causing a restriction.
One method used by contractors to help reduce the impact of the HCFC phaseout is to consolidate recovered refrigerants in house. The belief is that it will minimize the costs of cylinder handling fees, and/or maximize profits from recovered R-22. There are four key issues to consider when consolidating recovered refrigerants.
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