Replacing a lower or medium efficiency gas- or oil-fired furnace or boiler with a higher efficiency unit will save on fuel consumption costs. What if a customer wants to know how much will be saved? Here is how it is done.
As building owners and facility managers prepare HVAC systems for the peak heating season, the decision to repair or replace aging systems looms large. Contractors can help owners make an informed decision.
Mastering the basics, one step at a time, will make you fully prepared for this industry. It does take time to master the basics, but average people have done it and so can you.
Fabric duct has been used in Europe for over 30 years, but many American contractors have yet to install their first fabric duct project. However, the number of contractors with no fabric duct experience is diminishing as it gains acceptance.
Typically, with factory coating, coils are immersed in a dip coating process prior to assembly. The problem is, even though they may be coated, the coils must ultimately be soldered into the copper cooling circuit. This results in sections of tubing being exposed to the atmosphere.
Consumers are demanding fast, professional HVAC system repairs, and new technology is playing a pivotal role in meeting this need. An example is Trane's new Portable Jobsite Diagnostic Software for use on laptops and Pocket PCs.
Global positioning system (GPS) applications are growing in use because they allow continuous tracking of mobile workers to help improve scheduling and dispatching. A California contractor is now applying a new GPS service that is helping the company locate and manage employees at minimum expense through the use of cell phones.
This article addresses the two major abatement procedures for mold control: Moisture removal and microbial remediation. The first deals with denying fungi the moisture needed for growth; the second is the response to cleaning and removing mold from affected buildings.
Solenoid valves are highly engineered products that can be used in many diverse and unique system applications. Here is a brief overview of the components and functional varieties of solenoid valves.