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Home » Keywords: » boilers

Items Tagged with 'boilers'

ARTICLES

Rheem's new FT Series boiler.

Rheem FT Series boiler

Rheem has expanded its portfolio of boilers.
July 8, 2025

Rheem introduces the FT Series, a new line of ultra-efficient condensing boilers engineered for both residential and light commercial applications. With up to 95% AFUE, intuitive controls, and ultra-low NOx emissions, the FT Series delivers a more sustainable heating solution.


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Integrate a heat pump with a boiler mounted on a brick wall.
Hydronics Workshop | John Siegenthaler

How to integrate a heat pump with a boiler for dual temperature hydronic heating and cooling

Delivering expectations
John Siegenthaler, P.E.
John Siegenthaler, P.E.
July 2, 2025

A building with slab-on-grade heating from a cast iron boiler plans to expand. A monobloc air-to-water heat pump will provide heating and cooling for the new space via a fan-coil unit, with the existing boiler serving as backup.


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Heat pump of air-water technology for the home.
Hydronics Workshop | John Siegenthaler

Rethinking Heat Transfer: Why 'Natural' Isn't Always Ideal for Air-to-Water Systems

As air-to-water heat pumps replace boilers in North American hydronic systems, designers must rethink traditional approaches to heat transfer, or risk costly and inefficient installations.
John Siegenthaler, P.E.
John Siegenthaler, P.E.
June 16, 2025

Air-to-water heat pumps are gaining popularity in North American hydronic systems, but many practitioners are discovering that they operate differently from boilers.


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A boiler by Superior Boilers

Superior Boiler complete boiler room equipment package

This package will support a major plant expansion for a beef packing factory.
June 4, 2025

The company will include 4 firetube boilers, a matching deaerator and blowdown separator.


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Several people around a table with various technology (laptops, tablets, and phone) in front of them, having a business meeting.

Burnham Holdings, Inc. announces subsidiary divestiture plan

This strategic shift was made to strengthen the company's core boiler business and expand commercial service capabilities.
May 6, 2025

Burnham Holdings sells Thermo Pride and Norwood Manufacturing to R.W. Beckett for $27.6M as it continues to focus on core boiler operations and expands commercial service offerings.


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April 2025 The Glitch & The Fix Figure 1
The Glitch & The Fix: April 2025

Unexpected results: heat pump system at low outdoor temperatures

Consider the “dual temperature” heat pump system shown in figure 1
John Siegenthaler, P.E.
John Siegenthaler, P.E.
April 4, 2025

When only the air handler is operating the heat pump is able to supply the 120 ºF water. However, when the floor heating zone and the air handler are operating at the same time and the outdoor air temperature is below 24 ºF the fluid temperature leaving the heat pump can’t climb above 103 ºF. Why is this happening, and what can be done?


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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, P.E.
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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NAVIEN.jpg

Navien unveils new high-efficiency HVAC and water treatment products

February 25, 2025

Navien is launchcing several new products, such as its NPF System Furnace, NAZ Air-to-Air Heat Pumps, NAM Cased Coils, NAS Air Handlers, NAE Hydro-AC, NWP Heat Pump Water Heaters, NFB700-C Floor Standing Commercial Condensing Fire Tube Boilers, WEC Tankless Electric Water Treatment System and PeakFlow X Scale Prevention and Filtration System. 


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Buderus_SSB_Gen_2_v1.png

Bosch Buderus boiler Gen 2

February 5, 2025
NIBCO-Webstone-HydroCoreImage.png

NIBCO announces updated Webstone Hydro-Core press manifold

January 21, 2025

NIBCO announces its new Webstone Compact Press Manifold for near-boiler piping or secondary loops. This manifold is a redesign of the Hydro-Core Double Ball Drain.


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More Articles Tagged with 'boilers'

EVENTS

Industry

4/10/14
Portland
Portland, ME
United States

Workshop: Hydronics for High Efficiency Wood-fired and Pellet-fired Boilers

Session added to April 9-11 Northeast Biomass Heating Expo.

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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 'boilers'

IMAGE GALLERIES

Armstrong

AHR Expo 2019

The annual HVAC convention gathered from Jan. 14-16 at the Georgia World Congress Center, attracting thousands of attendees and exhibitors from across the globe to two large convention halls.

January 21, 2019

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