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Home » Topics » Hydronics/Radiant

Hydronics/Radiant
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Oil Burner Maintenance

Oil’s Well that Ends Well!

The essential checks and troubleshooting steps every pro should follow to keep oil-fired systems running clean, safe and, most importantly, leak-free.
January 5, 2026

I’m going to open this article with the very best piece of oil boiler advice I can give: Always check for oil leaks upon arrival and departure!


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Feature

The Art of Structure and The Art of Comfort

Architect David Jameson and Dan Foley team up to create a home where art, engineering, and heating and cooling converge.
January 5, 2026
John Vastyan

A striking modern “habitable art” home becomes a case study in what’s possible when bold architecture and masterful mechanical design converge to deliver hidden, high-performance comfort year-round.


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The Boiler Room Detective

Are Boilers Dangerous?

Regular safety checks and proper upkeep, such as weekly testing of the low-water cut-off, are essential to ensure decades of safe, reliable boiler operations.
January 5, 2026
Ray Wohlfarth

Boilers aren’t dangerous on their own — skipped maintenance is — and this veteran expert explains why a simple 60-second weekly check can prevent six-figure failures and catastrophic accidents.


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Contractor Stories

The Danger of the Big Fish: Why One Large Client Shouldn’t Dominate Your Business

Over-reliance is risky and can jeopardize financial stability if payments are delayed or the relationship sours. Be prepared to walk away from problematic accounts.
January 5, 2026
Tom Soukup

When a single $40,000 late payment exposes the risks of relying on a “whale” client, one contractor shares hard-earned lessons on cash flow, contracts and why balanced client portfolios keep small businesses afloat.


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Feature

2026 AHR Expo Preview

The annual HVACR event heads to Las Vegas to showcase new industry products and trends and provide continuing education opportunities.
January 5, 2026
Amalia Deligiannis
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Nominate a Woman In PHCP for Our Annual Feature!

December 18, 2025

Across age groups, job titles, locations and more, we want to showcase "Women In PHCP."


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The Boiler Room Detective

The Loneliest Place

When the heat goes out, true boiler pros rely on calm thinking, sharp senses, and old-school know-how to bring systems back to life.
December 8, 2025
Ray Wohlfarth

Step inside the high-pressure world of boiler troubleshooting as veteran expert Ray Wohlfarth reveals how patience, safety, and smart detective work turn late-night breakdowns into hard-won victories for the technicians who keep buildings warm and systems alive.


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Diego Pavia Wins 2025 Johnny Unitas Golden Arm Award Presented by A. O. Smith.jpg

Diego Pavia Wins 2025 Johnny Unitas Golden Arm Award Presented by A. O. Smith

December 5, 2025

With this honor, Pavia becomes the first Vanderbilt Commodore in program history to win the Johnny Unitas Golden Arm Award.


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John Stack Sales Adds AquaMotion to Product Line

December 1, 2025

The addition fills a gap in the company’s line card for recirculation pumps and introduces a full line of energy-efficient hydronic circulators for boiler applications.


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Radiant Insider

Understanding Pressures in Hydronic Heating Systems

Why 12 psi isn’t always the answer.
December 1, 2025
Cody Mack

Learn why “12 psi” isn’t a one-size-fits-all rule as this deep dive into hydronic heating pressures shows how system height, air control, and proper fill settings can make or break performance, efficiency, and reliability.


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