ASHRAE's newly published manual is based on the guidelines in Standard 170 and provides design recommendations for health care facilities with an emphasis on proven, cost-effective solutions that result in reduced infections, lower maintenance, and higher reliability.
The millennial generation, born between 1980 and 2000, numbers more than 80 million, and they are entering the workplace in greater numbers each year. For HVAC contractors, this trend is a mixed blessing. Younger workers are needed, but this generation comes with a unique set of challenges.
Technologies used in commercial hot water boilers are evolving rapidly, resulting in new equipment that is more efficient and easier to operate than ever before. Modulating burners, variable-speed drives, and advanced controls can now be found on many newer boilers.
As more and more contractors consider diving into home-performance contracting, many are seeking guidance from numerous organizations that have the experience necessary to help contractors start and/or grow their HPC businesses.
With just three years left to encourage homeowners to invest in geothermal advances, manufacturers are pulling out all the stops by introducing new features on their GHPs, such as variable-speed technology and sophisticated controls, which they say will provide homeowners with better comfort, as well as lower energy consumption and operating costs.
Each geothermal installation involves digging up a yard, laying hundreds of feet of pipe, and generally disrupting the lives of homeowners, but thanks to the innovative thinking of manufacturers and contractors, there are now new products and techniques that can enhance the installation experience for the homeowner, as well as the contractor.
Most utilities promote conservation by offering rebates for the installation of high-efficiency heating and cooling equipment and solar energy systems, but several are starting to think outside the box.
With installed costs starting at around $7,000, these are luxury items that not every homeowner can afford; however, contractors are reporting a surge in sales that they expect to continue for the foreseeable future.