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Home » Topics » Columnists » John Siegenthaler: Hydronics Workshop

John Siegenthaler: Hydronics Workshop
John Siegenthaler: Hydronics Workshop RSS Feed RSS

heated floor slab

John Siegenthaler: Combining an air-to-water heat pump with a heated floor slab

Air-to-slab
Siegenthaler
John Siegenthaler, P.E.
May 3, 2022
No Comments

Over the last few years, I’ve written several columns describing how air-to-water heat pumps can provide heating, cooling and domestic hot water for homes. Many of the systems involve buffer tanks to help stabilize heat transfer from the heat pump to a zoned distribution system.


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John Siegenthaler’s Top 25 Articles
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John Siegenthaler’s Top 25 most-read articles

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Siegenthaler
John Siegenthaler, P.E.
April 5, 2022
No Comments
We’re celebrating John Siegenthaler’s 25th anniversary as a Plumbing & Mechanical columnist.
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Comfort is not a commodity

John Siegenthaler: Comfort is not a commodity

Don’t treat it as such…
Siegenthaler
John Siegenthaler, P.E.
March 30, 2022
No Comments

Aside from the fact that they are all used in hydronic heating systems, what do the following items have in common?


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Electrification peak performance
HYDRONICS WORKSHOP

John Siegenthaler: Peak performance

Modern hydronics technology offers unique solutions.
Siegenthaler
John Siegenthaler, P.E.
March 1, 2022
No Comments

As interest and incentives build to transition space heating and domestic water heating systems away from fossil fuels and toward electricity, a somewhat predictable but only marginally quantified problem is developing. Two words describe it: Peak demand.


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Becoming a hydronics professional
HYDRONICS WORKSHOP

John Siegenthaler: Not where I live

Becoming a true hydronics professional is an ongoing process.
Siegenthaler
John Siegenthaler, P.E.
January 31, 2022
3 Comments

For many years, I’ve been offering a free demo version of the “Hydronics Design Studio” software that I co-developed with my long-time colleague, Mario Restive. It’s there for the taking at www.hydronicpros.com.


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IoT internet hydronic systems
HYDRONICS WORKSHOP

John Siegenthaler: No passwords required

Hydronic systems don’t have to be complex to be sophisticated.
Siegenthaler
John Siegenthaler, P.E.
January 3, 2022
No Comments

If your office routine is anything like mine, you’re probably typing cryptic passwords into your desktop computer, laptop, smartphone or tablet throughout the day to access websites or cloud-based software that’s essential to your business.


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Opportunistic pathways
Hydronics Workshop

John Siegenthaler: Opportunistic pathways

Flow doesn’t always go where you intend.
Siegenthaler
John Siegenthaler, P.E.
December 1, 2021
No Comments

I recently reviewed a project in which a municipal building was being connected to a district heating system supplied by pellet-fueled boilers.


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Maximize-net-COP-reduce-operating-cost
HYDRONICS WORKSHOP

John Siegenthaler: The 'net' effect

Air-to-water and water-to-water heat pumps are destined to claim increasing market share in future hydronic systems.
Siegenthaler
John Siegenthaler, P.E.
October 28, 2021
No Comments

The Coefficient of Performance (COP) of a heat pump is essentially the same concept as the thermal efficiency of a boiler (e.g., the desirable output divided by the necessary input).


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Siegenthaler chilled water cooling

John Siegenthaler: Game changer

Heat pumps and chilled water cooling will change the future of hydronics.
Siegenthaler
John Siegenthaler, P.E.
September 29, 2021
No Comments

With systems dating back into the 1800s, hydronic heating has been around a long time. As with many technologies, a modern hydronic heating system bears little resemblance to one based on the earliest design techniques and hardware.


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Residential Propane Tank
Hydronics Workshop

John Siegenthaler: Freedom of (fuel) choice

Using a heat pump to displace high-priced fuel.
Siegenthaler
John Siegenthaler, P.E.
September 2, 2021
One Comment
I recently provided guidance on a unique residential retrofit project. The house, a modest 2,500 square-foot, two-story, was located in a semi-rural area near Albany, New York.
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