Assembling prior columns, updating older information, along with some new content for the four eBooks has been an interesting review of my 48-years as a mechanical contractor.
I don’t know about you, but after more than 40 years of working in the HVAC industry I find myself a bit overwhelmed trying to keep up with standards, codes and other well-intentioned regulations, issued by “authorities having jurisdiction,” or sometimes by “authorities” not having jurisdiction, but looking to cash in by grabbing the steering wheel on some of the latest trends in HVAC technology.
When our local water company started adding Watts No. 7 dual-check backflow preventers to all water services, we soon discovered water heaters were failing at a rapid pace, with gas fired models exhibiting telltale signs where the cold/hot water lines skewed off making them look like a bow-legged cowboy!
The classic way of estimating heating load in smaller, envelope-dominated buildings is to assume the rate of heat loss is proportional to the difference between the inside and outside temperature.
REHAU announced the appointment of Mark Hudoba to vice president of building solutions for the Americas region. Hudoba will lead the business division and drive growth of the company’s plumbing and mechanical product lines including radiant heating/cooling, pre-insulated piping, geoexchange, snow melting, plumbing and municipal water service.
In last month’s column, I presented a “template” for a system that provides space heating, cooling and domestic water heating using a cold climate air-to-water heat pump as the primary heat source, and the sole source of chilled water for cooling.
Taco Comfort Solutions’ offers the 4900 Series magnetic dirt separator to provide dual-action dirt separation for closed loop hydronic heating systems.