Stove Pipe Square

By adding a square section to his stove pipe, the author was able to radiate a little more heat into his home during the cold of winter.
By L. Bruce Holman
September/October 1981
Add to My MSN

The author got his idea for a stove pipe square from a magazine photo.

Content Tools

Related Content

How to Make Your Own Stovepipe Adapter

Make your own stovepipe adapter for your wood stove, includes step-by-step instructions on building ...

A Wood Stove Chimney Cleaner

This homemade wood stove chimney cleaner makes keeping your stovepipe clean easy, includes a diagram...

Flue Pipe Durability

A reader who uses an occasional chimney fire to clear creosote from his woodstove flue pipe asks how...

Modern Homesteading Treasures

For inspiration and education, take some time to peruse the hundreds of Modern Homesteading articles...

Down on the farm (in our case, that little bit of heaven is located in upstate New York), winters get so harsh that icicles form on the inside of the windows just to get out of the cold! So a few years back, inspired by a particularly chilly spell, I set out to find a way to squeeze a little more heat out of the aged hardwood logs that were rapidly disappearing into the gullet of our Glenwood Oak wood stove.

The result was a squared circle of stove pipe. I can't claim credit for designing the BTU scavenger, though, because I got the idea after noticing a similar rig in the background of a photo in an old issue of National Geographic.  

The square is made from standard eight-inch stove pipe: two T's, four 90 ° elbows, and a pair of straight sections. The damper is located above the assembly, and from there the pipe exits through the ceiling by way of an insulated, triple-wall thimble. All of the sections are fastened with sheet metal screws for security.

And—for safety's sake—let me remind you that any device which salvages heat from a stove pipe, as ours does, is going to encourage the formation of creosote ...and that could lead to a chimney fire. To prevent such an occurrence, I clean the inside of the assembly whenever the sooty buildup gets to be more than 1/4" thick, and replace all the pipe every second year. The latter may be an expensive practice, but good accident prevention is about the best insurance bargain I know of!

Post a comment below.


Subscribe Today - Pay Now & Save 66% Off the Cover Price

First Name: *
Last Name: *
Address: *
City: *
State/Province: *
Zip/Postal Code:*
(* indicates a required item)
Canadian subs: 1 year, (includes postage & GST). Foreign subs: 1 year, . U.S. funds.
Canadian Subscribers - Click Here
Non US and Canadian Subscribers - Click Here

Lighten the Strain on the Earth and Your Budget

MOTHER EARTH NEWS is the guide to living — as one reader stated — “with little money and abundant happiness.” Every issue is an invaluable guide to leading a more sustainable life, covering ideas from fighting rising energy costs and protecting the environment to avoiding unnecessary spending on processed food. You’ll find tips for slashing heating bills; growing fresh, natural produce at home; and more. MOTHER EARTH NEWS helps you cut costs without sacrificing modern luxuries.

At MOTHER EARTH NEWS, we are dedicated to conserving our planet’s natural resources while helping you conserve your financial resources. That’s why we want you to save money and trees by subscribing through our earth-friendly automatic renewal savings plan. By paying with a credit card, you save an additional $5 and get 6 issues of MOTHER EARTH NEWS for only $12.00 (USA only).

You may also use the Bill Me option and pay $17.00 for 6 issues.