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Lots of good articles here by me and my friends. Everything is copyrighted, so if you'd like to use any of it, for whatever purpose, please ask me first. If you'd like to contribute a technical article, get in touch with me. Your article can include a link to your company so our visitors will know how to get in touch with you. Welcome! Dan Holohan (mailroom@heatinghelp.com)

21 things you can expect from us as we begin your job

Contractors, feel free to use this one as a part of your presentations. Read More

A Different Way to Pipe

Some European food for thought Read More

A hot-water stumper

Old Spencer gets a new lease on life. Read More

A Simple Copper Elbow

There is beauty in simple things. Read More

A Steam Heating Primer

If you're new to the field, this will give you a solid footing. Read More

Absolute and Relative Humidity

Can a furnace dry out the air? You may be surprised at the answer! Read More

Activated Sludge Wastewater Treatment Overview

My friend Pat does a great job of explaining a topic you've probably never even considered Read More

After the War Is Over

Predictions made by some pretty important Dead Men. These guys were good! Read More

Air Filters

Homeowners take note. This is why it's so important to keep them clean. Read More

All Roads Lead From ISH

Lessons learned at the biggest heating show in the world Read More

Am American Love Story

Which is about two people I will always remember, and how they chose to live their lives. Read More

An American Cathedral

Remember those who built it. Read More

An old radiator Q&A

Your most frequently asked questions, answered! Read More

Balancing One-Pipe Steam Systems

Some simple steps that really help Read More

Banging Zone Valves

You're the first! Read More

Basics of Indoor Air Quality

Some great advice for heating-and-cooling professioanals from an industry expert Read More

Billy and the Baker

Commercial steam boilers in bakeries present some challenges Read More

Boiler Failure after Two Years

Miss the details and you can lose the boilers. Read More

Boiler Sizing

How it evolved, and why you shouldn't just go by what's there Read More

Comfort and Efficiency

That's what consumers really want nowadays, and here's why. Read More

Comfort is Perception

We dress for the weather outside, regarless of the temperature inside. Read More

Compression Tanks

Lessons learned from the old systems Read More

Confidence

How much do you believe in your skills? Read More

Converting from steam to hot water heat?

These are the things you'll need to watch out for. Read More

Dangerous Dan and the Hole in the Ground

There comes a point in your life when you put the book down . . . Read More

Diverter Tee Tips

All the ins and outs! Read More

Domestic hot water recirculation systems

Things your Mother never taught you! Read More

Don't look down.

Remembering a time of innocence Read More

Feeling Taliesin

The spirit of Frank Lloyd Wright lives on within his beautiful home, which, sadly, is falling apart. Read More

Fin-tube Radiation for Steam Heating

An expert tells us how to get the job done right. Read More

First Rule of Troubleshooting

Remember that we're only human. Read More

Flooded Steam System

When things go wrong, the answer usually lies in how you look at the problem Read More

Fuel-saving Ideas for Old Heating Systems

There is a way around those high fuel bills. Read More

Gaslighting

Some insights from a 1917 brochure on how gaslighting led to gas heating Read More

Generations

Central heating is still relatively new, and we've come a long way in just one generation. Read More

Ghosting

What are those stains on the walls? Read More

Glycol (aka, antifreeze) Right for your system?

Some great, hands-on advice from an expert in the field Read More

Gold's Mattress Radiator

The world's first. Read all about it here, and see it in the Library. Read More

Gravity Hot Water Heating

Some insights into expansion tanks (or lack thereof) and other things you may not have considered. Read More

Heating in Russia

How a question from Fred led to a worldwide conversation Read More

Heating Lessons

They're everywhere! You just have to pay attention. Read More

Help Your Truck Help You

Great advice from a professional truck mechanic Read More

Home Comfort, and how to sell it

Practical advice from a guy who knows Read More

Hot tips for water heater installations

Great stuff here from the authors of the Water Heater Workbook Read More

Hot-water zone off a steam boiler?

Here's what you can and CAN'T do. Read More

How indirect heating works

What to do when you're faced with a hidden radiator? This will help! Read More

How that steam boiler got to be so big

Ever wonder how they sized steam boilers in the old days? Read More

How the Europeans do hydronics

It ain't the same over there! Read More

How they make oil burner nozzles

And how I met the Nozzle Man. Read More

How to become a better troubleshooter

Some things I learned along the way Read More

How to Flush the Return Lines on an Old Steam System

How to get the job done without making a mess Read More

How to Heat a Cottage

The Breakers in Newport, RI was quite a challenge for this Dead Man Read More

How to keep your water heater from becoming a legal nightmare

Great stuff here from the authors of the Water Heater Workbook Read More

How to Size Circulators

A common-sense way that's worked well for me Read More

Hydronic Considerations, 2008

There are Grandpas, and there are Boutiques. And then there are confused consumers. Read More

Hydronics' opponents

When hydronics steps into the ring nowadays, who's getting up off the other stool? Read More

I know you can't see this, but . . .

If you're an engineer and you're teaching others, PLEASE read this. Read More

Indoor Air Quality and Tight Houses

An insulation contractor shares his thoughts on this important issue Read More

It's only natural!

It's a people business, and in more ways than one. Read More

Lester does ISH

A scary American gets his first look at Germany Read More

Lester on Efficiency

In Lester, I find balance. Read More

Liability

It's good to know folks are watching out for me, but sometimes I long for the old days. Read More

Lost and Found

It's amazing what you can find (and lose) inside a heating system! Read More

Low-water cutoffs belong on ALL boilers

As far as I'm concerned, that is. And here's why. Read More

Maintaining Your Waste Oil Burner

Great advice from a man with experience. Read More

Measuring Hot Water Radiators

It's NOT the way to size a replacement boiler Read More

Memories of Starbucks

Not the coffee shop. This place was much better. Read More

Mini-CHPs

Residential co-gen is in our future Read More

Missy, at year's end

Sometimes, wishes come true. Read More

Modern Times, Old Buildings

Living with an old heating sytem can be a challenge, unless you're a collge student, that is. Read More

Modular steam boilers

Here's what you need to know before you buy. Read More

Moonlighting

How Frankie makes a very good living Read More

On Electricity

Brilliant thoughts on Electricity, Electrical Pioneers, and Electric Companies Read More

On Invention

I hope you enjoy these thoughts as much as I did. Read More

On the Fence

Business lessons are everywhere. Read More

On Vigilance

Iin the mechanical world, we can never be too vigilant. Read More

Only Gus Touch!

Gus knows how to zone a system. Read More

Oversized Heating Equipment

It costs money to use Rules of Thumb Read More

Oxygen-diffusion corrosion in radiant heating systems

Here's the straight scoop in plain-English Read More

PEX choices

Curious about the differences? Here's a plain-English explanation. Read More

Pressure differential and steam systems

To understand steam heat you have to Read More

Primary-Secondary systems sometimes overheat

Here's why, and here's what you can do to solve the problem. Read More

Radiant heat and wood floors

You have be careful when working with wooden floors and radiant. Here's what you need to know. Read More

Radiant Out of Control

When the design is wrong, radiant can make you miserable. Read More

Radiant Roots

It all began in Levittown, NY. Read More

Radiator Odors

When something stinks there's usually a reason, but how senstive is your nose? Read More

Radiator tales you may not have heard

You can't make this stuff up! Read More

Recommended Reading for Heating Professionals

Great books that may change the way you see the world. Read More

Remembering Gil

Gil Carlson was my teacher, and I will remember him always. Read More

Replacing Your Old Steam Boiler?

Homeowners, here's what to look for in a heating contractor. Read More

Screwdriver Willie and the cold tenants

Some old steam systems have orifices instead of steam traps. Be careful what you touch! Read More

Searching for Old Radiators?

Here's where you'll find 'em! Read More

Sizing Circulators for Hot Water Heating Systems

Some new insights from a guy who really knows systems. Read More

Snowmelting, Turfwarming and the Snows of December

Some random thoughts and nice memories on those three subjects Read More

So quiet, so thorough!

Get the right guy if you want great service Read More

Some Thoughts on a Snowy Morning

On doing the right thing. Read More

Square Pipes

Makes sense once you clear your mind! Read More

Steam Boiler Failure

Why some steam boilers fail, and what you can do to prevent it Read More

Steam Coils - Why Do They Freeze?

You have to look beyond the coil to the system to find the answer. Read More

Steam Stumper

A true troubleshooting episode! Read More

Steam vs. Hot Water

A battle that represents a good part of the Comfort Industry's history. Read More

Taking Another Look at Steam Boiler Sizing Methods, by Dave "Boilerpro" Bunnell

A different way of sizing steam boilers, based on the way they worked with coal. Interesting thoughts from a Boilerpro. Read More

Tape

What my sister-in-law, Missy, taught be about troubleshooting, and about life Read More

Temperature Scales

Ever wonder how they came to be? Read More

The Air We Breathe

Ventilation has always been a concern, but you may be surprised in what way Read More

The dopey kid who used to wear your clothes

Some things to consider before finding fault with somone else's work Read More

The Dreaded Bear Report

Fatherly food for thought Read More

The Enormous Scope of European Hydronics

In Europe, just about every owns a boiler. Here's why. Read More

The Fitting

Or how Tommy and I found this really odd tee Read More

The Golden Rules of Hydronic Heating

Bite-size bits of truth for you to enjoy. Read More

The Hidden Costs of Hidden Pumps

No one will know unless you tell them. Read More

The Point of No Pressure Change

Who actually was the first to tell about it? Read More

The Quality of Heating Work

Will mediocrity always be a part of this trade? Read More

The Radiator

The often unseen beauty of everyday things Read More

The Speed of Steam

Here's why it pays to crank down the pressure on that steam-heating system. Read More

The World According to Missy

Which has to do with love, not heating Read More

Thermocouple Testing Procedure

Great advice from an industry expert! Read More

Thermostatic Radiator Valves

A few tales to help you understand what makes these valves tick. Read More

They're not that different

How I came to be a well-known writer in Iran Read More

Think before writing

Poorly chosen words can wind up in court Read More

Think like air

It really pays to do this when you're troubleshooting! Read More

This one's for Mark

I'm speaking out for those who often can't. Read More

Three Models

Three business models to consider, and one important question - Do you really know how to sell? Read More

Throw-backs

Those who have learned The Steam have an even greater lesson to teach us. Read More

Times change

Times change, but there will always be knuckleheads. Read More

To Delight the Customer

Some insight from a manufacturer, and some advice from a Dead Man Read More

Tom's Thumb

Some guys just know how to get the job done! Read More

Trane Whistles

Be careful when converting from steam to hot water. It really is hard to stop a Trane. Read More

Turf

There's something missing from central heating, and I think it's something we all long for. Read More

Two-Pipe, Air-Vent Steam Heating

It's an oddball, but you need to watch out for it, especially in older buildings Read More

Undersized Steam Boilers

It may heat the building (eventually), but at what cost? Read More

Vacuum Gauges Paint a Picture for You

A service tip from Your Friend in the Industry! Read More

Wall-hung boilers, and all that comes with them

How these suitcase size boilers might change a lot of things Read More

Washington Steam

How the Dead Men once heated the D.C. Mall Read More

Wasted Energy

And on a grand, glorious (and pretty amusing) scale Read More

Water Hammer in Steam Heating Systems

Got water hammer? Here's is a list of where to look for a solution Read More

Water Heater Rescue

Got a water heater? Read More

What I've learned about steam pressure

Why you should crank it down. Read More

What you should know about Hartford Loops

The ins and out and ups and downs. And you don't have to live in Connecticut! Read More

What's the Right Temperature?

It all depends on where you're coming from! Read More

Wheels

Some thoughts on changing times Read More

When a steam system floods

Troubles often follow Read More

Why compression tanks waterlog

The reason may surprise you! Read More

Why Did the Water Leave That Steam Boiler?

When it vanishes from the gauge glass of a steam boiler it has to go somewhere, right? Read More

Why measure?

Kids in our business say the cutest things. Read More

Why you should insulate steam pipes

It's SO important to good system balance! Read More

Why you should never dead-head a circulator

A lesson I had to learn the hard way! Read More

You are where you live

It's pretty amazing what the experts of old believed. But hey, maybe they were right! Read More

Zoning Steam Systems

What you should know before you buy those motorized zone valves. Read More