Product category:
Heating Systems, Controls and Management
News Release from: Ambi-Rad | Subject: Energy efficient space heating systems
Edited by the Buildingtalk Editorial
Team on 05 October 2005
Best value from an energy efficient
heating system
Ambi-Rad;s Howard Marfleet explains how energy efficient space heating systems could make all the difference to getting the best value.
Heating industrial premises to comfort temperatures for personnel, but without wasting energy, can be a challenge - but it doesn't have to be a heart-stoppingly expensive one With today's modern energy-efficient heating technologies, there are a number of alternatives on the market that will provide the right level of warmth for different types of building
This article was originally published on Buildingtalk on 5 Oct 2005 at 8.00am (UK)
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Methods of space heating include:.
* Radiant tube heating.
* Indirect-fired warm air heating.
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* Direct-fired warm air heating.
* Air induction systems.
In addition, overdoor air curtains will help contain warmth within a building, even when loading bay doors are open for long periods.
Radiant tube heating.
Radiant heating works best in very large space, open plan buildings where rapid warm-up and heat recovery are required, and for premises where loading bay doors are open frequently or for long periods.
Radiant works like the sun, warming people and solid objects in its path.
The heaters are mounted overhead in the roof space, yet the heat generated is felt most at the lowest two metres of the building - that is, where people are working and machinery is sited.
The real beauty of radiant tube heating is that no energy is wasted heating the large volume of air in the building.
Fuel consumption - and therefore fuel costs - are dramatically reduced.
Energy efficient radiant tube heating from Ambi-Rad has been shown to reduce costs by up to 70% when used to replace an ageing, inefficient boiler system.
The system produces heat at the point where the fuel is burnt, ensuring optimum fuel efficiency.
Other systems - for example, where heat is distributed around a hot water or steam radiator network - experience considerable loss of heat and therefore wasted fuel.
The efficiency of radiant tube systems can be increased even further by zoning the heaters - that is, enabling each one to be shut off individually if the area it serves is unoccupied.
Indirect-fired warm air systems.
For a flexible, low cost solution for heating small to medium size premises, indirect gas-fired warm air systems are ideal.
This type of heating offers real benefits in performance, reliability and value for money.
It is up to 92% fuel efficient, reducing energy consumption and costs.
Emission levels are very low, in line with the most stringent European standards.
Indirect-fired systems answer a variety of heating and ventilation requirements.
They may be used for heating only, heating and ventilation, heating and cooling or to provide summer ventilation - depending on the requirements of the building.
Direct-fired warm air systems.
Direct-fired warm air heating is an effective, cost-efficient heating and ventilation solution for large volume buildings where even heat distribution, reduced running costs and improved air quality are required.
Direct-fired heaters can use up to 100% fresh air (from outside) and up to 80% recirculated air (from inside), in adjustable proportions, to reduce running costs and provide instant ventilation to improve indoor air quality when required.
In summer, the units can be used for 'free cooling' ventilation.
A key feature of direct-fired systems is their ability to produce positive pressure within a building.
By forcing air into the building at a slightly higher rate than it is escaping through natural ventilation, the air is distributed naturally throughout the internal space, without the need for motorised fans.
Air induction heating.
Air induction systems work on the basis that heated air is forced out of nozzles at high speed.
Negative pressure is created around the nozzle, the surrounding air is induced and heat from the roof space that would otherwise be wasted is recirculated around the building.
One type of air induction system is the Air Mixing duct, such as the model manufactured by Reznor UK - a low-cost solution that effectively maintains uniform comfort temperatures throughout the building.
Suspended at high level, the duct runs the length of the building.
Warmed air is forced out of tiny perforations all along the duct, producing an immediate mix with room air.
Air Curtains.
Air curtains, such as the Airbloc range, provide an excellent complement to an energy efficient heating system.
Positioned over or down the side of a doorway, the air curtain delivers a sheet of air across the opening.
The velocity of the barrier of air means that it effectively separates the internal and external environments, ensuring that warm air remains inside and cold air is prevented from getting in.
In summer, when buildings may be air conditioned, chilled air remains inside and hot air outside.
Where very large doorways are open during winter, the energy saved by fitting an energy efficient air curtain can amount to as much as GBP16,000.
The air curtain may also be a safer and value for money alternative to roller-shutter doors, which are easily damaged by forklift trucks.
These systems offer excellent energy efficiency levels and economical running costs.
Switching to an energy efficient heating system could be the small change that makes a big difference to operational costs. Request a free brochure from Ambi-Rad ...
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