Heating
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heating
S D Heating & Electrics provides a comprehensive range of gas, plumbing and electrical services throughout London and the surrounding areas. We adhere to the highest health and safety standards, ensuring that every gas engineer, plumber and electrician in our company is qualified, registered and fully insured to deliver top-notch professional service.


Boiler Breakdown / Upgrade
Boiler services
A boiler, like any other household item, isn’t designed to last forever. As it ages, various issues can arise. Rust and corrosion can damage the boiler’s components, connections and pipes, eventually leading to a breakdown. Regardless of the type of boiler you own, our skilled gas engineers have the expertise to diagnose, repair, or replace the faulty component.
- Annual Boiler Service: Inspection and cleaning to ensure efficiency and safety, checking components, connections, and pipes for wear and tear.
- Boiler Repair: Diagnosing issues, replacing faulty components and restoring functionality.
- Boiler Installation: Removing old boilers, setting up new ones and ensuring proper connection and function.
- Boiler Replacement: Replacing old or faulty boilers with new ones.
- Emergency Boiler Service: Rapid response for urgent issues, diagnosing and repairing to restore heating and hot water quickly.
- Boiler Maintenance: Regular cleaning, checking for leaks and ensuring all components are functioning correctly.
Installation / Repair
central heating
A central heating system is essential for maintaining a warm and comfortable environment. Key indicators that replacement may be necessary include high heating bills, difficulty finding parts, frequent breakdowns, noisy boilers or radiators, a yellow flame instead of blue and excessive leaks. Upon installation, the boiler will be registered with the manufacturer and Gas Safe to ensure warranty coverage.
- Boiler Systems: Use water to heat rooms. Efficient and can run on gas, oil, or electricity.
- Furnace Systems: Use air to heat rooms. Heat quickly and can also cool in summer.
- Heat Pump Systems: Pull heat from outside air or ground and bring it inside. Can also cool in hot weather and are very efficient.
- Electric Central Heating Systems: Use electric coils to heat air or water. Easy to install and maintain.
- Solar Heating Systems:Use solar panels to collect and convert sunlight into heat. Environmentally friendly and can significantly reduce energy costs.




Cleansing process
Powerflush
A powerflush is a cleaning process for your heating system that can offer several advantages: your heating system runs more efficiently, a free of blockages system can prevent damage and wear that might otherwise shorten its life, a clean heating system is less likely to experience breakdowns, your radiators heat up more quickly and evenly.
- Noisy boiler: gurgling, banging, or knocking noises suggest sludge blocking water flow.
- Frequent boiler breakdowns: regular breakdowns due to sludge clogging critical parts.
- Boiler constantly cycling on and off: repeated switching on and off due to poor water circulation.
- Discoloured or sludgy water: brown, dirty, or sludgy water when bleeding radiators.
- Slow heating: longer heating times or slow-warming radiators.
- Cold spots on radiators: hot at the top but cold at the bottom indicates sludge buildup.
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Installation / Service
vented/unvented cylinders
Understanding vented and unvented cylinders can be challenging, but our gas engineers are here to provide you with the best professional advice to help you make an informed decision. Any central heating system, except for a combi boiler, requires a hot water cylinder to store and supply hot water.
- A direct vented cylinder heats cold water using an immersion heater within the cylinder, unlike an indirect vented cylinder which heats water through the central heating boiler.
- Unvented cylinders connect to the mains, while vented cylinders do not and may require a pump to improve water pressure.
- A direct cylinder heats water using its own elements controlled by a thermostat, while an indirect cylinder is connected to an external source, such as a boiler, which heats the water. The flow rates are significantly better when the system operates at mains pressure.
- A Megaflow cylinder is an exceptionally efficient hot water system that connects directly to the mains, thereby delivering hot water at the existing mains pressure.
- Megaflow is one of the best unvented hot water cylinders on the market, lasting up to 25 years and made of duplex stainless steel, which is highly resistant to corrosion, especially in areas with very hard water.
Manual / Wireless controls
heating controls
Heating controls automatically manage the heating system to achieve the desired comfort in your property by monitoring the temperature and adjusting the heating system accordingly. They can be programmed to maintain specific temperatures at different times of the day, ensuring that your property remains comfortable while also being energy-efficient.
- A room thermostat regulates the heating system by turning on or off based on the required temperature. For optimal efficiency and accurate reading, it should be placed away from obstructions, drafts, or heat sources.
- A boiler programmer controls home temperature by signaling the central heating system to release hot water when the temperature falls below a set point and stops once the desired temperature is achieved.
- Hot water cylinder thermostat fitted on the side of a hot water cylinder communicates with the boiler to turn on or off until the set temperature is reached, preventing unnecessary heating and energy waste.
- A thermostatic radiator valve controls the temperature by adjusting the flow of hot water to the radiator. It senses the surrounding air temperature and should not be covered or blocked to ensure accurate readings.
- A wireless thermostat communicates with the boiler to maintain the desired temperature, preventing energy waste. It can be controlled remotely via a tablet or smartphone.




Installation / Repair
underfloor heating
Underfloor heating can be either a water or electric system that heats the entire floor, providing warmth and comfort. This type of heating is cost-effective, works well under various flooring types and requires proper insulation for optimal performance. S D Heating & Electrics installers are experienced and qualified to guide you through the process and advise on improvements to keep your system running efficiently.
- Wet underfloor heating circulates water through pipes beneath the floor, heating water to a lower temperature for efficiency and cost-effectiveness. Installation involves lifting the floor, fitting and connecting the pipes and replacing the floor. This system is ideal for extensions, new buildings, or ground floor rooms.
- Electric underfloor heating uses coils attached to mesh mats rolled out and connected under the floor. The installer links these coils to the thermostat and mains power supply. While cheaper to install than wet systems, it can be more expensive to operate in larger areas, making it suitable for smaller rooms or offices.
- Annual maintenance is necessary to ensure smooth operation and identify potential faults.
We believe that prioritising safety will create a better environment for everyone. Safety is not just a priority but a fundamental value that guides our actions and decisions.
Sustainability
Committed To Keep People Safe
This commitment to safety extends beyond the workplace to our interactions with customers, partners, and the community. By fostering a culture of safety, we can build trust, enhance productivity and contribute to the overall well-being of society.
We Follow Best Practices
Our commitment to excellence ensures that every project is delivered with precision and care. By integrating cutting-edge technology, we provide innovative solutions that meet the evolving needs of our clients. Sustainability is at the core of our approach, as we strive to create environmentally friendly designs that contribute to a better future. Our team of experts is dedicated to staying ahead of industry trends, ensuring that our designs are not only contemporary but also timeless. With a focus on quality and efficiency, we guarantee that our projects are completed on schedule, exceeding expectations and delivering exceptional results.
- Sustainablility
- Project On Time
- Modern Technology
- Latest Designs
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