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Home » Keywords: » heat pumps

Items Tagged with 'heat pumps'

ARTICLES

Side view of the air source heat pump outside in the garden, near wooden fence on a sunny day.

The next frontier for heat pumps

Heat pumps are redefining what’s possible in commercial and industrial efficiency.
Kristen Bayles 200x200 headshot
Kristen R. Bayles
November 10, 2025

Driven by advancements in refrigerants, controls and system design, modern heat pumps are taking on applications once thought beyond their reach — from food service and healthcare to district energy and industrial processes. This evolution is creating new opportunities for engineers, facility owners and contractors to rethink how buildings are heated, cooled and powered.


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Graham McCracken, the new managing director for Freedom Heat Pumps.

Freedom Heat Pumps appoints new managing director

The UK-based company has appointed Graham McCracken to the role.
October 3, 2025

McCracken brings over two decades of experience in the industry to this position. 


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The Lochinvar 208V Veritus Air Source heat pump water heater.

Lochinvar 208V Veritus Air Source heat pump water heater

Lochinvar expands its Veritus heat pump water heater line with a new 208V model designed to meet the needs of diverse commercial applications.
September 23, 2025

The 208V model is designed for multifamily buildings, retrofits and other commercial projects.


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A photo of the Fujitsu AIRSTAGE J-7S VRF heat pump.

Fujitsu AIRSTAGE J-7S VRF heat pump

Fujitsu introduced a new line of VRF heat pumps.
June 27, 2025

These models offer greater flexibility, efficiency and more compact design. 


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ASHRAE

ASHRAE announces dynamic technical program for 2025 Annual Conference in Phoenix

Over 80 sessions and 10 ALI courses planned – early bird registration open through April 28.
April 26, 2025

The conference will feature panels, courses and technical sessions on a variety of topics. 


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Powerful heat pump for heating and air conditioning of a modern private house installed outside on the side of the house.
Renewable Heating Design | John Siegenthaler

Versatility in direct-to-load systems, part two

Going direct.
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
April 8, 2025

Last month, we discussed direct-to-load hydronic heat pump systems. These systems use a variable-speed compressor and circulator to adjust heat output and flow, eliminating the need for a buffer tank or hydraulic separator.




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Geothermal Power Plant: Geothermal electricity is electricity generated from geothermal energy.

Demystifying ground source heat pumps

A guide to retrofit and new construction geothermal heat pumps.
Dave Yates
Dave Yates
April 7, 2025

GSHP systems have one primary significant difference: the outdoor refrigerant coil and fan are absent. Instead of these components, the functions of the outdoor condenser have been integrated into the indoor unit, resulting in a hybrid condenser and evaporator unit.


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International Geothermal Month graphic

Mission Geo celebrates International Geothermal Month

Public awareness and outreach effort spotlights the ground source heat pump.
April 4, 2025

GeoExchange collaborates with MIssion Geo to showcase benefits of geothermal heat pumps.


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Airstage Altair wall-mounted models featuring R-32 refrigerant

Fujitsu General America mini-split heat pump line

Fujitsu General America expands H-Series mini-split heat pump line.
April 3, 2025

Fujitsu General America debuts Airstage Altair wall-mounted models featuring R-32 refrigerant.


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Closeup of a team of industrial engineers meeting to analyze machinery blueprints and consult on a project on a table in a manufacturing factory.
Hydronics Workshop | John Siegenthaler

Build what you need: Availability and customization of heat pump systems opens doors of possibilities

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
April 2, 2025

The availability of heat pumps allows designers and installers of hydronic heating to include cooling. A simple method involves using a single air handler with a chilled water coil for a ducted distribution system, providing single zone cooling that can complement multi-zone hydronic heating in average houses.



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More Articles Tagged with 'heat pumps'

EVENTS

Webinar

5/29/14

Coffee with Caleffi and John Siegenthaler: Air Source and Water Source Heat Pump Systems.

Coffee with Caleffi will be hosted by John Siegenthaler on May 29, 2014.

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Featured Event Webinar

8/26/14

Free Webinar: Low Temperature Heat Emitter Options in Hydronic Systems

With proper design, you can create systems that require supply water temperatures no higher than 120° F under design load conditions.

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More Events Tagged with 'heat pumps'

IMAGE GALLERIES

Madeinusahead

Plumbing manufacturers proudly display products made in America

This month, while Americans everywhere celebrate Independence Day, the Plumbing & Mechanical team decided to highlight some of the many plumbing products made in the USA. The following 25 images were submitted by manufacturers proud to display their American-made products.

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