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The realistic Shaver Outdoor Furnace FAQ

What is the Shaver outdoor wood furnace?

How does the Shaver heat my home and water?

What are the advantages of the Shaver outdoor wood furnace?

What is the BTU rating of the Shaver furnace?

Is burning wood bad for the environment?

How long will the furnace last with normal use?

How long is the Shaver Warranty?

What can I expect to pay for a Shaver outdoor wood furnace?

Why is the water jacket so big? 170 gallons is a lot more than others!

How heavy is the Shaver furnace?

Won't the firebox burn out sooner or later?

Is this furnace (boiler) pressurized?

Is there a lot of heat loss when the unit is outside and it's below freezing?

Can I connect the Shaver to an existing forced air heating system?

I only have electric heat, how can I use the Shaver?

Can I heat my hot water with the Shaver?

Can I connect the Shaver to a pressurized heating system?

Should I consider radiant heat for my house?

Can the Shaver heat my pool, hot tub or spa?

Can I heat more than one building with the Shaver?

Can I use an outdoor wood furnace if I live in a town?

How often do I have to fill it up with wood?

Does the furnace come fully assembled?

Can boilers explode?

Do these furnaces need to be near the house?

Do I have a choice of colors?

 

Shaver Outdoor Furnace is one of the oldest builders of outdoor wood furnaces in Northern America. We have a simpler, nicer looking furnace that's made to stand the test of time. We have a tried and true 34 year old design, we believe we have the best - and certainly the best price by far. 

We are located in Salem, North Arkansas and know all about cold temperatures. We heat our own 5,000 sq. ft. home with a Shaver Outdoor Furnace.

 

What is the Shaver outdoor wood furnace?
It is a safe and efficient way to heat your home with wood. The Shaver furnace is designed to look like a nice storage building and is installed outside, away from the home or building being heated. Having an outdoor furnace eliminates smoke,  pollution and wood debris within the house. A water jacket surrounds the large furnace firebox and the heat is transferred from the wood fire to the water.

 

How does the Shaver heat my home and water?
The heated water is pumped to the home or building through insulated underground pipes. A water-to-air heat exchanger or direct circulation conveys the heat into the home's forced-air furnace, boiler, or radiant floor heating system. 

It can also supply hot water to the water heater to provide domestic hot water. This allows for normal thermostatic control of temperatures for safe, even, comfortable heat.

 

What are the advantages of the Shaver outdoor wood furnace?
An outdoor wood furnace won't affect your indoor air quality and can alleviate respiratory and allergy problems caused by burning wood indoors

The Shaver removes fire hazards from your home or building because all of the burning takes place outside. 

No more dark sooty walls and bugs either! Thermostatic control provides your home with even, steady heat.

The Shaver Furnace means easy maintenance and fewer parts requiring service. You don't need costly electrical gadgets and features to cause problems down the road. This is a proven design of over 34 years! Keeping it simple and efficient, is our motto. 

Current owners of the Shaver are also using up to 25 to 50 percent less wood compared to other heating alternatives. Since the Shaver can burn larger pieces of wood (up to 30" long) it will dramatically reduce the time spent preparing the wood. Costs for large round timbers are also less than for smaller split wood. You can get this type of wood for $90 a cord compared to $120+.

 

What is the BTU rating of your furnace?
163,500 BTU on the 165 model.

 

Is wood burning bad for the environment?
A wood heating system is the right choice for the increasing number of consumers who are concerned about our environment. Wood is a totally renewable resource, which, when burned, results in no net carbon dioxide increase. Carbon dioxide is a part of the natural plant-growth cycle and occurs naturally when trees are allowed to rot on the forest floor. 

On the other hand, fossil fuels release carbon dioxide when burned which otherwise would stay trapped in the earth. This causes a net increase in carbon dioxide, which is believed to be responsible for the heat-trapping "greenhouse effect." So when heating with wood versus fossil fuels, you actually achieve a net reduction in greenhouse gas emissions. 

In addition, cutting firewood has a pruning effect on forests, which allows new growth to flourish. The wood you burn will likely come from your local area. It's not imported and not subject to price increases due to events outside your control, as is the case with oil and natural gas.

Many times the owners have land with fallen trees throughout the property.

 

How long will the furnace last?
The life of your furnace depends upon proper maintenance. With proper maintenance your furnace will give you many years of dependable service.

 

How long is the warranty?
The standard warranty is a 20-year pro-rated warranty PLUS a 5 year ON-SITE Warranty - including parts and labor on the entire structure. 

The electrical parts such as the pump and fan have a one year manufacturer's warranty.

 

What can I expect to pay for an outdoor wood furnace?
Total prices will vary depending on the shipping location but our prices start at $4477 for the Shaver 140.

 

Why is the water jacket so large?
Many stoves do not have enough water capacity and tend to cycle too often. You load the stove with wood and fire it. With a small water capacity, the water reaches set point temperature and the stove shuts down. The Hardy just has 100 gallons in their base model and 130 in the next model up! You still have a good load of wood in the firebox that sits there and smolders.

The Shaver Outdoor Furnace has a large water tank capacity, so you can burn the total load of wood with good draft, burn and efficiency. 

More water also means more capacity (available BTUs) and the water doesn't have to be heated as much either.

How heavy is your furnace?
Our furnaces weigh in at about 1600 lb, which is a testimony as to how much steel is built into the furnace. The Hardy H2 furnace only weighs 650 lbs. The Hardy H4 is only 850 lbs. Weaklings by comparison.

Won't the firebox burn out?
The Shaver Outdoor Furnaces are made with heavy gauge steel and will never rust out. We have NEVER had one rust through. Can you imagine a piece of metal .400 (4/10th of an inch) thick ever rusting though? (many boilers out there are only 2/10" thick). 

Since water surrounds the firebox, the metal can only get up to 189 degrees, since that's the maximum temperature of the water. The extreme thickness of the metal we use in the firebox helps avoid stress cracks as well.

 

Is this furnace (boiler) pressurized or non-pressurized?
The Shaver Outdoor Furnaces are non-pressurized and do not boil. They are atmospheric vented, which means they are totally safe.

 

Is there a lot of heat loss when the unit is outside and it's below 32° F?
The units are highly insulated to avoid heat loss. There is double insulation in the roof. All insulation is vinyl backed. PLUS we use state-of-the-art Solargaurd!

 

Can I connect the Shaver to a forced air heating system?
Yes, 90% of all installations are connected to existing forced air heating systems.  This is the easiest to install except for a free-hanging unit in a garage or shop. Hooking to existing Hydronic and boiler systems is also very easy.

 

I only have baseboard electric heat, how can I use the Shaver?
Many people with electric baseboards choose to install radiant floor heat in the basement or crawl space, between the floor joists. 

 

Can I heat my domestic water with the Shaver?
Yes, our system circulates potable hot water in a closed system, between the outdoor furnace and the hot water heater. This keeps the hot water refreshed, hot and ready to go at all times. No outside heat exchanger is needed! Most people find they save $30 to $60 a month heating their water with our furnace.

You will need to buy a 2nd pump for this function. It is mounted indoors on the hot water heater.

 

Can I connect the Shaver to a pressurized heating system?
Yes, you can. You can connect directly to the existing system by depressurizing it or the heat can be efficiently transferred from one system to the other by the use of a water-to-water heat exchanger.

 

Should I consider radiant heat?
Radiant heat installed under new or existing floors (via the crawlspace or basement) can be a great way to heat your home. Radiant floor heat is a very efficient way to transfer heat, since heat rises and it's oh so nice to have a warm floor! However, it is important that you design the system correctly. 

Many people with electric baseboard heaters opt for this method.

 

Can the Shaver heat my pool and/or spa?
Yes, you can heat your pool, hot tub and spa. 

Remember that smoke output will be greater in the summer and plan accordingly.

This is not advisable in neighborhoods where other houses are close by or where your furnace is close to your home.

 

Can I heat more than one building?
Yes, the Shaver Outdoor Furnace has the ability to heat several buildings from one location.

 

Can I use an outdoor wood furnace if I live in town?
A wood furnace may not be the best choice in densely populated urban areas where pollution already puts excessive strains on air quality. Smoke can also overwhelm your neighbors if they are close by and the wind blows the wrong way.

However, in small town and rural areas, wood makes good sense. If you choose to install your Shaver furnace in a densely populated area the stack height should at a minimum exceed the rooflines of existing homes.

 

How often do I have to fill it up?
We put wood in our furnace at 8 AM and 8 PM. - 2 times a day. It all depends on the size of the house, the quality of the wood and where you have your thermostat set - as well as how well the building(s) is insulated. Also are you heating hot water? 

Don't believe exaggerated claims of 72-96 hours!  This just isn't possible except if heating a pool or hot water in the summer!

 

Does the furnace come fully assembled?
Yes. The furnace is delivered to you ready to install and we help you every step of the way

 

Can boilers explode?
The Shaver Outdoor Furnace is a non-pressurized unit which totally eliminates this possibility. The water never boils so steam pressure is never generated.

 

Do these furnaces need to be near the house?
We recommend that the Shaver Outdoor Furnace be within 100 feet of the house. Claims in product brochures and manufacturer's websites that these units can be 500 ft from the house are totally unbelievable. It is hard to see much heat energy being left after a run of 500 ft. even with underground temperatures of 60-65 degrees below the frost line.

While it CAN be done with larger Pex Pipe and a bigger, faster pump

 

Do I have a choice of colors?
The Shaver Furnace is available in TWENTY different colors FREE, to be sure it will compliment the exterior of your home or match other buildings. We have RealTreeCamo now too!

Click on picture for a larger image with color names.


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*Our standard furnace will heat up to 4,000 sq feet
including all buildings, well insulated - plus hot water.

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Modified 6-12-2008