Outdoor air brought into a building can be expensive to temper and, if not properly conditioned, can cause humidity problems for the building. Designers are increasingly finding that using dedicated outdoor air systems (DOAS) allows them to comply with ASHRAE 62.1 with an energy efficient and easily verifiable design.
This time around we have a customer who has called to say that it’s warmer than it should be in their home. When you arrive you find a nine-year-old package unit, and you determine in a short time that, electrically, everything is as it should be, which means that what you have is a unit that is running, but is not cooling enough.
Advertising is only one way to get your message out to customers and prospects. Be sure to use all the marketing tools at your disposal. For a low-cost way to promote your HVACR business, take advantage of publicity opportunities.
The U.S. Environmental Protection Agency (EPA) has issued a proposed finding that greenhouse gases contribute to air pollution that may endanger public health or welfare. The proposed finding, which now moves to a public comment period, identified six greenhouse gases that pose a potential threat.
The customer had called another contractor and was not pleased with the results, so Bob’s company was called. The other technician said he could not get the compressor to start. With Btu Buddy’s help, Bob checks all the components that have to do with starting the compressor. He finds that the start relay needs to be replaced.
The U.S. Department of Energy (DOE) has actively supported cost-shared combined heat and power (CHP) R&D and demonstration projects. This article showcases four successful CHP demonstration projects, and illustrates its broad applicability across industrial, commercial, and institutional facilities.
Why do you need to worry about recent changes to the Americans with Disabilities Act (ADA)? If you answered, “Because I’m going to start losing lawsuits,” you would be right. In a nutshell, the amendments expand the definition of disability and broaden the number of employees who will be covered by it.
The U.S. Department of Energy’s (DOE’s) Industrial Technologies Program (ITP) has identified combined heat and power (CHP) as one of the most important opportunities available today for increasing energy efficiency and reducing emissions. This article explains CHP technology uses and benefits.
Now more than ever contractors are searching for ways to cut costs. How you go about cutting costs is just as important as where you look for cuts. Begin a systematic examination of your expenses in the office and the field. Then use the list in this article to generate thinking on possible new areas for cost reduction.
If duct cleaning is necessary, it is important that the cleaning professionals be familiar with both the North American Insulation Manufacturers Association (NAIMA) and National Air Duct Cleaning Association (NADCA) guidelines. Today’s air duct insulations are designed to withstand the rigors of cleaning.