What is a boiler?
A boiler is a gas, oil, electric, propane or solid fuel-burning appliance that produces hot water or steam
which is circulated through pipes to heat radiating devices in a room. Many people consider Hot
Water heating to be the ultimate in home comfort. If you are considering a new heating system for
your home that will affect your comfort, health and the cost of running your household for years to come,
you should consider the many advantages of automatic hot water heating (generally referred to as a
hydronic system. Homeowners find that this type of system is reliable, clean and efficient without the
noise, dust and drafts of hot air systems.
The heat source is a boiler fueled most often by oil or gas, with a certified efficiency rating. A small
pump circulates heated water through baseboard units, radiators or in floor radiant tubing in each
room, where warmth is distributed evenly without fan noise or blowing air.
The Advantages of Hydronic Heating Systems
Economy
Of all natural materials for conducting heat, water is the best. Temperature changes of water can be
accurately controlled and measured, so there is less "over-shooting" of thermostat settings and less
wasted heat. And today's compact boilers, with improved heat-transfer technology, high efficiency
burners and electronic controls are 30 to 40 percent more efficient than boilers installed a decade ago.
Comfort
True comfort means being unaware of temperature and humidity and this is what you should expect
from a superior heating system. If you feel hot or cold spaces or drafts in your home, the heating system
is inadequate by today's standards.
Conventional hydronic systems bring warmth to a room through the flow of warmed air through the room
from an enclosed heating surface inside baseboard units. Heating elements are located along the
outside wall, under windows to counteract chill downdraft's. Even when the flow of water through the
tubing stops, the heating element continues to disperse its warmth without the abrupt "on-off" cycling of
forced air systems.
Reliability
Hydronic systems are reliable from the day they're installed and offer trouble-free service for decades.
A few operating components will have to be adjusted over the years, or have to be replaced eventually.
But the basic equipment is sturdy and reliable. With only a little attention, a hydronic system provides
infallible heat on demand for many years. A hydronic system, as a whole, is uncomplicated with few
moving parts.
Health
With hydronics, there is no recirculation of air from the basement or from other rooms, blowing dust,
odors, germs or spores throughout the house. Hydronic heat is a sealed system; it neither adds nor
subtracts moisture in the house, , so normal patterns of cooking and washing usually can maintain
proper humidity levels without additional equipment.
What is Radiant Heat?
The comfort of radiant heat dates back to the Romans who used this 'luxurious' form of heating to
warm their stone and marble tile floors. Today, radiant heat systems are installed in applications
ranging from small, single family homes to 150,000 square foot warehouses.
Radiant heat is a form of hydronic (hot water) heat that circulates warm water through special tubing
and installs in or underneath floors. Radiant heat systems heat objects throughout the room, so you can
feel the difference. It eliminates cold drafts and keeps the heat at the floor, warming you and the
furniture, not the air.
Hydronic heating is a system of heating that uses hot water or steam instead of air. You get two types
of heat delivery: radiant heat and convected heat. Radiant heat warms you directly, like the sun's rays.
Convected heat is carried by warm air circulating in a room.
Hydronic heat allows you to choose from several different devices that use these two heating. A boiler
can be piped to radiant tubing, hidden in the wall, baseboard radiators or stand-alone radiators. Hot
water can also be circulated through a coil in your central air-conditioning unit to heat other living
spaces with warm air. Hydronic heating produces more hot water for cooking, washing, hot tubs,
swimming pools and even radiant sidewalks and driveways to melt ice and snow. With hydronic
heating, indoor temperature is maintained at the desired level, regardless of changes in the weather,
with one setting of the room thermostat. Hydronic heat can be arranged in zones to bring the correct
amount of heat to each area of the house.

HIGH EFFICIENT GAS-FIRED BOILERS UP TO 98% efficient
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Larry Harding "Captain of Comfort"
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