Harp is responsible for effectively collaborating with XOi stakeholders to build and maintain relationships and partnerships that drive XOi’s business, increase revenue and expand the company’s brand presence.

Troubleshooting hydronic systems can be challenging, as the pipes are hidden behind walls. Your imagination has to help you “see” the routing of the piping. 

Have you ever had one of those times when you’re trying to figure out some problem and then suddenly the solution comes to you as if by magic? 

Troubleshooting tank-style two-element electric water heaters is relatively simple once the operation is understood. 

An installer is asked to connect a single speed geothermal water-to-water heat pump to a highly-zoned low temperature hydronic distribution system.

Figure 1 shows a piping layout that was used to retrofit a pellet-fired boiler to an existing 4-zone heating system supplied by an oil-fired boiler.

Figure 1 shows the piping layout for an actual installation. It uses two boilers, fired in stages, to supply three areas of a building. 

An installer recently read about the benefits of piping a buffer tank in a “2-pipe” configuration.  

Back in the old days when most folks burned coal, vacuum was just about everyone’s friend. 

A heating designer is asked to create a three zone radiant floor heating system using a 5-ton (60,000 Btu/h) geothermal heat pump as the primary heat source, and a mod/con boiler as the auxiliary heat source.