Trench Heating: An Engineer’s Guide

Trench heating is a type of heating emitter that is recessed in the floor along the perimeter of a window. It consists of a series of heating elements that are embedded in a steel casing and sometimes a 24VDC tangential fan to boost output. Designed for low water temperatures, the heat exchangers are connected to a heating source, such as a boiler or heat pump. Firstly, there are two main reasons why trench heating is perfect for new buildings:

1. Low water Temperature capability. This is due to the heating element that allows for up to 8-pipe passes through the heating element. The aluminum fins are corrugated and have a high fin density maximizing heat output.
2. The use of 24VDC fans with EC Motors. These fans are quiet, low energy consumption, safe to operate and very easy to maintain.

Trench heating has several benefits over traditional heating systems (Radiators or forced-air systems). One of the main benefits is that it provides more efficient and even heat distribution. Because the heat is emitted from the floor (Which is the point of coldest air), it rises and warms the entire room more evenly, without creating hot and cold spots. This can be particularly useful in large, open spaces or rooms with high ceilings, large windows where traditional heating systems may struggle to heat the entire space effectively.

Another benefit of trench heating is that it is recessed in the ground. Furthermore it is an attractive option when large windows are required with no obstruction to the view.

Trench heating can also be more energy efficient than other heating systems, as it allows for more precise temperature control (especially at low water temperature) and can be turned off in areas that are not being used. This can result in significant energy savings and lower energy bills.

1. Offices: Trench heating can provide a comfortable and energy-efficient heating solution for office buildings.

2. Retail spaces: Trench heating can be used to keep customers comfortable in retail stores, shopping centers, and other public spaces.

3. Schools and universities: Trench heating is often used in educational facilities to provide a consistent level of warmth and comfort for students and staff.

4. Healthcare facilities: Trench heating can be used to provide a comfortable and hygienic environment in hospitals, clinics, and other healthcare facilities.

5. Industrial buildings: Trench heating can be used to heat large industrial spaces, including warehouses and manufacturing facilities.

In addition to its versatility, trench heating offers several other benefits, including energy efficiency, low maintenance, and ease of installation.

Architectural advantages to using trench heating:

1. Space saving: Trench heating systems are hidden beneath the floor or baseboard, which means they do not take up any valuable space in a room.

2. Improved heating efficiency: Trench heating systems are able to heat a room evenly and efficiently, since the heat is distributed across the entire floor area.

3. Aesthetic appeal: Trench heating systems can be an attractive and modern design feature, as they are largely hidden from view and do not require any unsightly heating elements or radiators.

4. Flexibility: Trench heating systems can be easily adapted to fit different types of flooring, such as tile, wood, or carpet.

5. Durability: Trench heating systems are typically made from high-quality materials, which means they are built to last and require minimal maintenance.

6. Energy efficiency: Trench heating systems are generally more energy efficient than other types of heating systems, as they do not rely on air circulation to distribute heat, which can be inefficient and result in heat loss.

1. Safety: 24V fans operate at a lower voltage and are therefore less likely to pose an electrical hazard.
2. Energy efficiency: Because they operate at a lower voltage, 24V fans typically use less energy than fans that run on higher voltage levels. This can result in lower energy costs and a more environmentally friendly heating system.
3. Compatibility: 24V fans are often compatible with a wider range of controls and thermostats, making it easier to integrate them into an existing heating system.
4. Durability: 24V fans tend to be more durable and have a longer lifespan than higher voltage fans. This will result in lower maintenance costs and a more reliable heating system.
5. Quiet operation: 24V fans tend to be quieter than higher voltage fans, which can be especially important in areas where noise levels need to be kept to a minimum.

1. Energy efficiency: Using lower water temperature allows the trench heater to operate more efficiently. Furthermore, this will result in lower energy consumption and cost savings.
2. Comfort: Lower water temperatures will provide more comfortable heat than higher temperature.
3. Equipment lifespan: Operating at lower water temperatures can help extend the lifespan of the trench heater and other HVAC equipment by reducing the wear and tear on the equipment.
4. Reduced risk of scalding: Lower water temperatures can reduce the risk of scalding, which can be a concern in settings such as hospitals and nursing homes.
5. Compatibility with renewable energy sources: Using lower water temperatures can make it easier to integrate renewable energy sources, such as solar panels, into the heating system.

Overall, trench heaters are a blessing to engineers, architects, contractors and developers.

Visit our trench heater page for our portfolio of trench heaters.

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