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About Timberline

Timberline Manufactures a complete line of portable wood fired spa’s and stainless steel wood fired hot tub and pool heaters.

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wood fired hot tubs

Wood Fried Hot Tubs

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Articles

Find more helpful articles on our wood fired hot tub heaters and pool heaters. Learn more about Cauldron Hot Tubs

external heater

External Heater

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Special

Check out some of our current promotions for our Cauldron Tubs and Wood Heaters.

internal heater

Internal Heater

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Images

Visit our Image Gallery to see how others are enjoying their wood heaters and wooden cauldron spas.

Accessories

Accessories

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Blog

Visit our Blog to see what other have to say about our wood water stoves and wood fired Cauldron tubs.

 

Wood Fired Hot Tub Heaters

Wood Fired Hot Tubs

Caldron Wood Fired SpasWant to enjoy the simple pleases of a hot tub without all the added costs of installation, chemicals and electricity? Wood fired hot tubs are the most economically way to enjoy a hot tub at a fraction of the cost. Why? Because they use wood to heat the water! Our wood fired hot tubs are made of clear western red cedar and come in sizes from 1-8 persons. We offer traditional Japanese Of our tubs which are oval in shape as well as a classic barrel hot tub. Our wood hot tub are shipping in kit form so they can easily be built on site. The tubs assemble in a few hours and you can be enjoying a deep soak the same day. The stainless steel wood fired hot tub heater and chimney circulate the water in the tub and require no electrical pumps!

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Wood Fired Pool Heaters

Wood Fired Pool HeatersWood Fired hot tub & pool heaters are an ideal way to extend the swimming season and save $$$ on operating costs. These heaters are specifically designed for hot tubs and smaller pools or lap pools. These heaters use a unique physical principle called Thermosiphon. Thermosiphon is the principle that hot water rises. It is used in many heating applications and is ideal in low flow requirements such as pool or hot tub heating.

 

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External Wood Fired Heaters

External Wood Fired HeatersA stainless steel fire chamber contains a double wall. The inside of this wall is filled with water. As the fire heats the water jacket, the hot water rises to the top, at the top back of the fire box is an exit port where the hot water rises to and is pushed through to the top surface of the pool or hot tub. As this water moves out of the water jacket colder water is drawn in from the bottom of the pool into the water jacket where it is heated and forms a natural circulation. The hotter the water is the faster this circulation occurs.

 

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Internal Wood Fired Heaters

Internal Wood Fired HeatersAn Internal Wood Fired Heater sits inside the hot tub or pool and is mounted to the side wall. It is a stainless steel fire chamber that uses a very effective “rocket stove” principle to create a powerful fire. The fire actually sits in the bottom of the vessel and air is drawn from the top though a chamber to the bottom where the wood fuel is located. The exhausting smoke is then expelled out the chimney. The Internal wood fired stoves can provide as much as 100,000 BTU of energy per hour!

 

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Superior!

Unlike other wood burning pool heaters & wood burning hot tub heaters, our heaters are made from 100% 304L stainless steel that is twice as thick as other manufactures. The interior also has special cross tubing that is conveniently located directly in the fire flame to provide the quickest heating time.

The units contain an ash drawer that also provides the ability to adjust the air intake thus the power of the flame inside the box. All units also come with a chimney damper to fine tune the burn rate.

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