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Home » water-source heat pumps

Articles Tagged with ''water-source heat pumps''

Figure 1 Glitch drawing for March The Glitch & The Fix column.
The Glitch & The Fix: March 2025

OK - At a glance: three zone radiant floor heating system

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
March 31, 2025

Can you spot several details that are either incorrect or missing? Can you propose an alternative design that would accomplish the same goals using less hardware?


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The heating and cooling system for a new secondary school facility in North Vancouver, British Columbia

Water-to-water heat pumps meet stringent efficiency requirements for new school facility

Reliability and sound performance were also strong considerations.
Paul Selking
June 10, 2024

A North Vancouver school chose WaterFurnace for its reliability and energy efficiency. The manufacturer's rep mentioned that the equipment aligned with decarbonization efforts. Finances were a concern, as is usual with building projects.


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New Products: Bosch Home Comfort CL Series water-source heat pump
New Products

Bosch Home Comfort introduces water-source heat pump

June 3, 2024

The CL Series has a swinging electrical box, a slide-out blower on the vertical units, and designated compartments for high- and low-voltage components.


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01 PME 1023 CLMN John Siegenthaler feature image
Renewable Heating Design | John Siegenthaler

Products that would be welcome additions to the North American hydronics market

Five propositions
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
September 29, 2023

Every year, manufacturers develop new or improved products for the North American hydronic market. Product development planning by those manufacturers depends on several factors. Here are a few of the main considerations.


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up arrows

John Siegenthaler: DHW Trifecta

Coordinated ways to add heat to domestic water.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
November 2, 2022

One of the best things about hydronic heating systems is that it’s easy to integrate some method of domestic water heating. This combination has been used for decades in systems where a boiler was the sole heat source. It’s also possible when a heat pump serves as the heat source.


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The Glitch - April

The Glitch & The Fix: Mixed results

April 22, 2021

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


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Xylem study analyzes life-cycle cost of HVAC systems

Hydronic systems outperform VRF, study finds.
January 10, 2020

To compare and contrast HVAC systems according to their 30-year life-cycle cost analysis, the Xylem study analyzed seven elementary and middle schools located in South Carolina Climate Zone 3A, a humid, warm climate.


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Armstrong Fluid Technology Tango line of pumps

Armstrong Fluid Technology Tango line of pumps

May 23, 2017

Armstrong Fluid Technology’s Tango line of pumps features innovative hydraulic design optimized for intelligent variable-speed operation.


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Grundfos SL, SE wastewater pumps

Grundfos SL, SE wastewater pumps

December 21, 2016

The extended selection ensures high pump efficiencies over a wide range of demand and a large free passage of solids at low vibrations.


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WSHPs help projects meet goals

Water-source heat pumps help projects meet sustainability goals

WSHPs help projects meet goals.
Jen Anesi-Brombach
Jen Anesi-Brombach
November 10, 2016

From a mansion to a vineyard, WSHP technology shows its versatility in these case studies.


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