AHRI Guideline N previously stipulated that specific paint colors be used for refrigerant containers as an additional means of refrigerant identification. However, with the increasing number of refrigerants approved for use, there was concern over the potential misidentification of similarly colored containers.
A big part of the challenge of promoting home-performance contracting is that, for homeowners, the performance of the mechanical side of their homes is largely invisible.
A district heating scheme in Finland has harnessed waste heat generated by a computer center to heat homes. The project uses an advanced heat pump system based on high-performance Bitzer compressors.
In October 2015, hoping to improve the performance and efficiencies of the location’s refrigeration systems, Roche Bros. installed two Trillium Series Condensers in its Westwood store.
Many HVAC business owners and managers who have had to break employees of bad habits can attest that while there is no exact scientific method for modifying employee behavior, there are a few common methods industry professionals swear by.
Although its genesis occured more than 60 years ago, the threshold of what IAQ can do for the average HVAC company hasn’t been crossed by many. The industry is estimated to exceed $5 billion in revenue within the next four years. This is an opportunity that shouldn’t be passed up.
The information is out in cyberspace when you need it, but you have to be willing to go get it. Becoming proficient in finding information when you need it can save you time and frustration on many jobs.
The event’s 31,000 square feet of exhibiting floor space has been sold out for a month as 80 companies will fill the floor with their interactive displays. The show is geared toward HVAC, plumbing, and electrical contractors.
Despite the long-term energy savings and environmental benefits natural refrigerant systems offer, their higher upfront costs remain a primary barrier to retailers’ widespread adoption of these technologies.
One method of head-pressure control during low ambient conditions is to use a mechanical hold-back or flooding valve located at the outlet of the condenser to hold back or flood liquid refrigerant in the condenser. This valve is often referred to as an open on rise of inlet (ORI) valve because it will start to throttle open on a rise in condenser pressure.
The right tools in the right hands can make all the difference when it comes to home-performance services. NCI president Rob Falke and other contractors provide a list of the tools required to be successful in home-performance work.
Offering home-performance services can set a contracting business apart from its competition, help bring in new business from both existing and new customers, and create interesting work for its employees, all while providing a comfortable and safe home for your customers.
The CCI is calculated based on a survey of the association’s contractor members, who are asked how positive they feel about new business prospects, existing business activity, and expected staffing decisions in the short-term future.
In addition to its pending Leadership in Energy and Environmental Design (LEED) Gold status, the Hoke County school system expects the project to save the county $35 million over the next 40 years, including $16 million in energy costs.
The SBV pilot makes it possible to direct the power of the national laboratories toward specific problems identified by small businesses by pairing these companies with a national laboratory uniquely qualified to solve their challenges.
Through this partnership, HARDI is poised to become one of the biggest contributors to HFOT, a Massachusetts-based organization that provides mortgage-free, specially adapted homes nationwide to severely injured veterans post-9/11.
The commitment makes Salt Lake City one of only a handful of cities worldwide to pledge an 80 percent reduction in community-wide greenhouse gas emissions by 2040.
ABC, along with a coalition of business groups, filed a lawsuit seeking to overturn the rule Sept. 20 in the U.S. District Court for the Eastern District of Texas. ABC also contested the provision of the rule that requires automatic updating of the threshold when announcing its lawsuit.
Ingersoll Rand named to 2016 Dow Jones Sustainability World and North America Indices; Danfoss names Mads-Peter Clausen vice president of oil-free technology development; more HVAC manufacturer news briefs.
The models in this series come in 2- to 5-ton cooling capacities in packaged vertical, counterflow, and horizontal models, which allows for a variety of configurations in residential applications.
This boiler offers 2.5- to 5-MMBtuh input capacity. It features a heat exchanger with a double row of swept fins and includes the Smart Touch Control™ and CON·X·US® remote connect.
For large residential or light commercial applications requiring a multiple boiler setup, the Evergreen provides ZoneStacking™— the capability to operate 24 zones without an additional external third-party control.
This flexible spray wand is specially designed for select Nu-Calgon aerosols. The 27-inch-long wand can be used exclusively with Nu-Calgon’s Evap Foam No Rinse®, Blackhawk®, and PenetrateHD® aerosol products to provide precision spraying in tight spaces.
This wiring assembly and wire repair tool kit includes three specialty ergonomic hand tools for cutting and stripping wire as well as slitting cable jacketing.