Most gas fired boilers are made out of steel, copper or iron, but the big difference is between fire tube boilers and water tube or gas steam boilers. There are also various types of fluidized bed boilers that burn solid fuels or biomass to make steam.
Fire tube boilers force hot gases through tubes submerged in water. They are generally low in cost, and these gas boilers can range in size from portable space heaters to units that fit applications up to about 2500 psig. Water tube boilers however, run at around 5000 psig and have faster recovery times, sufficient for much larger industrial applications.
Here are some other ways water tube or gas steam boilers are different from fire tube gas and oil boilers:
1. Water tube gas boilers are only sometimes used for heating.
2. They come in large sizes for steam production to drive turbines or other machinery.
3. They are highly effective for hot water production.
4. A typical water tube gas steam boiler costs more than a fire tube unit.
5. They are hard to clean.
Action Steps
The best contacts and resources to help you get it done
Shop around for the best quality and price
There are many sources that offer competitive oil or gas boiler prices, so take the time to look around before buying an expensive gas or oil boiler.
I recommend: Start with
QualitySmith Cooling and Heating. They'll provide you with 3 quotes from reliable sources in your area. For industrial boilers, the parameters are much broader. Start with
Utica Boilers; they've been around since 1928.
Keep gas boilers clean
Efficiency is directly related to the cleanliness of a heat or gas steam boiler. Calcium and other substances deposit on the inner surfaces of gas or fuel oil boilers. As the impurities build up and form sludge, efficiency decreases. When you consider the cost of fuel and gas boilers, regular cleaning is a must.
I recommend: Hard water is one of the main culprits of sludge, so try using distilled water if possible. You may also regularly treat your water with soda-lime or ion exchange.
Goodway sells tube cleaners and chemicals. For industrial situations, go to
QualiChem Technologies. For custom mixtures, try
RTA Water Solutions.
Go green and save on fuel costs
You don't have to settle for traditional heat or gas steam boilers. High efficiency gas boilers and innovative fluidized bed boilers are not only better for the environment, they're also increasingly practical. If you're looking for residential oil boilers, don't just consider gas boiler prices: take fuel costs into account, as well as the impact on the environment.
I recommend: Take a look at the wood burning furnaces available from
Greenwood, and visit
Weil-McLain for high efficiency gas and oil boilers. For industrial solutions, get yourself educated on the latest technologies at
Emery Energy Company or go to
FSE, Inc. to start shopping.
Tips & Tactics
Helpful advice for making the most of this Guide
- For large homes or areas with multiple rooms and thermostats, install a modulating boiler to avoid temperature swings.
The official source of Gas and Oil Boilers is the Gas and Oil Boilers page at Business.com
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