HVAC contractors — both residential and commercial — place a great deal of emphasis on system maintenance and how it directly relates to lower operating and service costs. Here some HVAC contractors weigh in with tips that will prevent a lot of unnecessary chiller service or replacement.
Two pieces of legislation were introduced in the U.S. House of Representatives and Senate in March with the words “energy savings” in their titles. If Congress chooses to pass these bills, they will ultimately have an impact on how HVAC contractors conduct their businesses.
The Mechanical Contractors Association of America (MCAA) arrived at the Disney Resorts in Orlando recently for some networking, education, and fun. The high-energy, four-day convention began with a look back at the last 12 months for the MCAA and all it has accomplished.
While my last series of columns explored liquid subcooling in a refrigeration system, this article will compare subcooling amounts in a refrigeration system incorporating an overcharge of refrigerant, a dirty condenser, and air in the system.
The homeowners wanted to maintain the integrity of the exposed wood of the home and did not want any visible signs of ducting or outlets on the interior; and no mechanical “boxes” around the exterior. What was the solution?
The Great Recession has hit few places harder than Flint, Mich. Yet Ken Hardin, owner of Ken Hardin Heating and Cooling, has found continued success through traditional cost-cutting measures and an innovative invention that is helping his customers during difficult economic times.
Often we find ourselves so caught up in the day-to-day activities in which we are putting out fires that we are unable to step back and try to figure out how to prevent the fires in the first place. There is one method that I have found that can really help to make you take the time to look at why there are fires and emergencies in your organization.
Technicians should make safety a first priority when working on any refrigeration system. There are many potential hazards associated with installing, servicing, and maintaining these systems. One of these potential hazards is the refrigerant within the system.
Fresh on the heels of the announcement of an almost 50 percent reduction in supplies of virgin HCFC-22, the supermarket industry is reacting. What are they focusing on now?