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Home » heat pumps

Articles Tagged with ''heat pumps''

PHVAC Experts

PHVAC experts look ahead in 2021

Market predictions and expected trends for the year ahead.
Nicole Krawcke head shot 2024
Nicole Krawcke
January 4, 2021

The dawning of a new year has PHVAC industry experts cautiously optimistic about new opportunities that lie ahead in 2021. 


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Siggy

John Siegenthaler: Chump change

The minuscule cost of operating a well-designed hydronic distribution system.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
December 22, 2020

Hydronic heating professionals often promote the concept that current generation mod/con boilers can operate with AFUEs in the range of 95% and above. 


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Siggy

John Siegenthaler: Combining heat pumps with buffer tanks

Consider a buffer tank between the heat source and distribution system.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
November 25, 2020

Whenever a hydronic system is divided into several zones, it’s worth considering a buffer tank between the heat source and distribution system. 


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AO Smith Webinar

Upcoming webinar with A.O. Smith

Intro to heat pump water heaters.
October 13, 2020
Isaac Wilson, national specialty commercial manager with A.O. Smith will be teaching the webinar on October 20 and 2 p.m. EDT.
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Lochinvar commercial heat pumps

Lochinvar commercial heat pumps

August 14, 2020

Lochinvar recently launched 20 new commercial heat pump models ranging from 25,000 to 250,000 Btu/h, and with modular installation capabilities up to 2 million Btu/h. 


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HVAC Life cycle

Evaluating life cycle cost of various HVAC systems

An important part of the selection process.
Kyle DelPiano
July 14, 2020

Upfront costs and energy consumption are primary drivers when selecting a commercial HVAC system in new and retrofit projects.


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Siggy

John Siegenthaler: Have a problem — need a solution

Our industry needs a better way to insulate circulator volutes.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
May 21, 2020

Part of running any business is looking ahead and trying to read the “tea leaves” that are relevant to that business. 


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May Glitch

The Glitch and Fix: Hardware heavy

May 15, 2020

A client asks a heating contractor to set up a floor heating system for a new 7,500 square foot machine shop.


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John Siegenthaler: Three inputs, one output

Multiple strategies for heating domestic water.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
March 5, 2020

I recently designed a system for my daughter’s new home with a water-to-water geothermal heat pump as its main heat source. 


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Glitch and Fix Figure 1

The Glitch and Fix: Mixed mode

January 27, 2020

An installer is trying to wire up a two-stage heat pump for heating and cooling operation.


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