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HouseDepot HVAC (housedepot)
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Electrician, Heating, cooling and hvac designer
Electrician, Heating, cooling and hvac designer

14 followers
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Introduction to HouseDepot HVAC Services
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Hydronic Boilers

hydronic" heating system is a collection of components which heats a building by heating and then circulating hot water through heat-radiating devices located in the occupied space
A "heating boiler" is a steel, copper, or cast iron "box" of hot water, connected to a loop of pipe (and radiators or baseboards) which runs around through the living area. The same physical water stays in the boiler and is circulated by a pump so that heat is delivered to the living area.

Burning oil/gas/wood, are used to heat the water before being exhausted outside. Pumps move fluids through the system. Safety controls of various types are installed at various points protect against a number of potential hazards.
They are used for generating heat for residential, commerical and industrial purposes. They are the typical central heating system fitted to houses in most of the countries including Canada.

The boiler operates by way of heating water/fluid to a preset temperature and circulating that fluid throughout the home by way of radiators, baseboard heaters or throgh the floors(called floor heating).

The fluid(water)is in an enclosed system and circulated throughout by means of a pump(or pumps), sometimes called circulting pumps.
The name of boiler is a misnomer in that, except for systems using steam radiators, the water in a properly functioning hydronic boiler actually never boils.

Some new boilers are fitted with condensing boilers for greater efficiency, because they are designed to extract the heat of vaporization of the flue gas water vapor. As a result of lower flue gas, water in the vapor condenses to liquid.
The dissolved carbon dioxide forms carbonic acid.The carbonic acid would damage a typical boiler by corroding the fireside of the boiler heating system. That is why the quality of the heating chamber is very important in the boiler life time.

Comparison with Forced Air Systm
1.Although boilers are more expensive to install, but they are more efficient and more economical than forced air systems

2.The boiler installation is less bulky, compared to the ducts being used

3. Boilers provide less fluctuating temperatures than forced air systems

4.Air has much lower thermal conductivity and volumetric heat capaciy than copper, so the conditioned space heated with forced air system warms up and cools down more quickly than the hydronic heating system

5.The hydronic heating tend to not dry out the interior air as much as forced air systems.

6. As the hydronic heating is done naturaully by conduction and radiation unlike the forced air system, no allergen blow our or recirculates thro the house. The the boiler system provide much healthier heat

what to look for when there is no heat
The best way not to be initimidated when the heating system is not working, get to know the components of the heating system
1. check thermostat battery
2. check if thermostat in heating mode
3. check the main electrical power to the boile is on.
4. check if the boiler breaker in the electrial panel is not tripped. if it is then turn off the breaker, to reset the breaker, then turn it back on
5. verify the wate to the heaing system is not turned off.

The main components of boiler(Residentials)
1. boiler itself as a complete package
2. parts to add to the boiler to fit for heating the house, which are
a. circulating pump, to push the water to circulate into radiators
b. feed valve, backflow preventer, expansion tank
c. radiators
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