Boilers & Hydronics

Radiant Market Focuses on Cost, Efficiency

New Products Aim to Speed Installation, Expand Options

As radiant's benefits are becoming more widely recognized, manufacturers are rolling out new products designed to lower labor costs and make radiant more affordable and accessible.


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Contractors Share Passion for Hydronic Systems

Experts in Hot Water and Steam Radiate Love for the Trade

It takes a special set of skills and passion for a contractor to become an expert in hydronic systems, and once these guys get started talking about their work, it’s hard to get them to stop.


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How Hydronic Heating Systems Began

A Posthumous Chat with Ara Marcus Daniels, a Forefather of Hydronic Heating

I was having a conversation the other day with Ara Marcus Daniels, author of many plumbing books, who is quite dead. I do such things because I have time on my hands and not much of a life.


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New Products Available on the Commercial Market

Efficiency, Comfort are Featured in New Heating Equipment

HVAC manufacturers share their latest heating products — including photos, specifications, warranty info, and more — in this detailed showcase.


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Hydronic Radiant Ceiling Cooling for Smaller Buildings

Though More Expensive, Radiant Trumps Forced Air in Comfort

The combined cost of hydronic radiant panel heating, along with a separate central cooling system, often strains the construction budget to a point where something has to go, and that something is usually the radiant heating option. It gets trumped by a lower-cost forced-air system that delivers both heating and cooling, albeit often at reduced comfort.


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Infloor Heating Systems: Custom Mechanical Boards

These custom mechanical boards are designed for hydronic radiant heating systems. Each board comes pre-piped and pre-wired with a custom drawing for fast and easy installation. Just mount it to the wall and connect it to the system.


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Laars Heating Systems Co., a subsidiary of Bradford White Corp.: Combi Boiler/Water Heater

The natural gas or LP-fired Mascot LX features a Laars heat exchanger and offers 95 percent efficiency, full modulation, and a plentiful supply of domestic hot water on combination units.


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Facts + Figures: Sept. 8, 2014

Residential Electric Storage Water Heater Shipments Up 11 Percent in June

Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.


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A.O. Smith Corp.: Gas Water Heater

The Cyclone® Mxi is a modulating, high-efficiency commercial gas water heater that delivers efficiencies up to 98 percent. 


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High Pressure Always Goes to Low Pressure

Without a Difference in Pressure, There Can Be No Flow

Since heat travels on flow like a passenger on a train, where there is no flow, there is no heat. And it’s going to look just like an air problem. Which it’s not.


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2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.

Podcasts

NEWSMakers: Jim Johnson

Jim Johnson,an experienced trade school and community college instructor, discusses the HVAC industry and his column in The NEWS, ‘The Service Ticket.’ Listen now for a hint to the Not Enough Heat question from the Dec. 15 issue. Posted Jan. 30.

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ACHRNEWS

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2015 January 26

Check out the weekly edition of The NEWS today!

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Regional Standards

With regional standards for a/c equipment going into effect in 2015, how do you think it will impact the industry?
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HVACR INDUSTRY STORE

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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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