When a construction project, refurbishment, or commercial fit-out requires controlled, consistent heat, the choice of a temporary boiler matters far more than most people realise. Gas and oil-fired boilers are powerful and widely used, but they are not always the right answer, particularly on sites where there is no gas connection, where fumes cannot be safely vented, or where the building is occupied, and clean air standards must be maintained.
Electric boiler hire offers a fundamentally different approach: clean, silent, emission-free heat from a compact, portable unit that connects directly to the site’s existing electrical supply. No fuel deliveries. No flu requirements. No combustion gases.
At Ideal Heat Solutions, our range of 15kW, 22kW, and 36kW electric boilers is available for hire across the UK, designed specifically for commercial and industrial applications, including screed drying, underfloor heating commissioning, and temporary building services. This guide explains how electric boiler hire works, where it is the right choice, and what to look for when specifying one for your project.
What Is Electric Boiler Hire and How Does It Work?
An electric boiler hire unit is a self-contained, portable heating system powered entirely by electricity rather than gas or oil. The boiler heats water using immersion-style electric heating elements and circulates that water through a temporary pipework circuit to wherever heat is needed, a UFH manifold, a calorifier, a plate heat exchanger, or a direct heating circuit.
Our electric boilers are trolley-mounted for easy manoeuvring and connect directly to a single-phase or three-phase electrical supply, depending on the unit size:
- 15kW unit, single-phase supply (suitable where only a standard 230V supply is available)
- 22kW unit, three-phase supply
- 36kW unit, three-phase supply (for larger floor areas or faster drying cycles)
All units in our fleet are built in-house using trusted components, fully tested before deployment, and fitted with Trend BMS remote monitoring as standard, allowing real-time performance tracking and temperature adjustment without unnecessary site visits.
When Is Electric Boiler Hire the Right Choice?
Electric boiler hire is not always the first option considered, but in many situations it is clearly the best one. The following scenarios are where our customers most frequently choose electric over gas or oil:
Sites with No Gas Connection
Many construction sites, particularly new build residential developments, rural properties, and early-stage commercial projects, do not yet have a gas supply connected. Waiting for a gas connection to commission an underfloor heating system or dry a screed is not viable when the project programme is under pressure. An electric boiler can be delivered, connected to the site’s temporary power supply, and operational the same day.
Occupied Buildings Where Fumes Are Not Acceptable
Gas and oil-fired boilers produce combustion products that must be safely flued to the atmosphere. In occupied buildings, such as schools, hospitals, residential blocks, care homes, and hotels, introducing a combustion plant is either impractical or unacceptable. Electric boilers produce zero on-site emissions and generate no fumes whatsoever, making them the only realistic choice for sensitive occupied environments.
For screed drying or underfloor heating commissioning in an occupied residential building or education facility, electric boiler hire is often the only compliant option.
Screed Drying and Underfloor Heating Commissioning
Screed drying requires sustained, controlled heat delivered at a consistent flow temperature. Too hot and the screed cracks. Too cold and curing is delayed, holding up floor finishes and pushing back the handover date.
Electric boilers are exceptionally well-suited to screed drying because they deliver precise, stable output with no variations caused by fuel pressure fluctuations or combustion inefficiency. Combined with our Trend BMS remote monitoring, flow temperatures can be optimised throughout the drying cycle without the need for an engineer to attend site every day.
For underfloor heating commissioning, the same principles apply. The UFH system must be run at controlled temperatures to bed the screed, purge air from the circuit, and verify performance before floor finishes are laid. An electric boiler connected directly to the UFH manifold provides exactly the controlled heat source this process requires.
Indoor or Confined-Space Installations
Because electric boilers produce no combustion gases, they can be installed in plant rooms, basements, internal corridors, and any confined space without the need for flue routes or fresh air provisions. This makes them significantly easier to position than gas or oil units in complex building layouts.
For a basement screed drying project in a central London residential development, for example, an electric boiler can be positioned internally with no external works required.
Noise-Sensitive Environments
Electric boilers operate quietly. There is no burner noise, no fan cycling, and no combustion sound. For occupied buildings, hospitals, schools, or sites adjacent to noise-sensitive neighbours, this can be a significant practical advantage.
Choosing the Right Electric Boiler Output for Your Project
Selecting the right kW rating for your electric boiler hire depends on the application and the scale of the project:
15kW Electric Boiler (Single Phase)
Best for: Small-to-medium floor areas, single-room screed drying, residential underfloor heating commissioning, or supplementary heat on smaller construction projects. Connects to a standard single-phase supply, useful where only domestic-style power is available.
22kW Electric Boiler (Three Phase)
Best for: Medium-sized commercial or residential projects, larger screed drying programmes covering multiple rooms or a full floor plate, and UFH commissioning in mid-scale commercial fit-outs.
36kW Electric Boiler (Three Phase)
Best for: Larger commercial projects, faster screed drying programmes where time is critical, multi-zone underfloor heating systems, or where a higher flow rate is needed to maintain consistent temperatures across a large circuit.
If you are unsure which output is right for your project, our team will advise based on your floor area, screed type, target drying time, and available electrical supply.
Electric Boiler Hire vs Gas or Oil Boiler Hire, Key Differences
Understanding when to choose electric over gas or oil comes down to a few key factors:
Fuel & Flue Requirements
Gas and oil boilers require a fuel supply (gas connection or oil storage) and a compliant flue. Electric boilers require neither, only a suitable electrical supply.
Emissions
Gas and oil boilers produce combustion gases and require ventilation. Electric boilers produce zero on-site emissions.
Installation Speed
Electric boilers are faster to install on sites where an electrical supply is already available. No fuel delivery, no flue installation.
Output Range
Gas and oil boilers are available in much higher outputs (140kW–1,500kW). Electric boilers in our fleet range from 15kW to 36kW, appropriate for screed drying, UFH commissioning, and smaller building services applications.
Running Cost
Electricity is generally more expensive per kWh than gas or oil. For very long-duration projects with high heat demands, this may favour gas or oil. For shorter screed drying programmes or smaller applications, the installation simplicity and zero-emission benefits of electric often outweigh the running cost differential.
For large-scale industrial or commercial heating loads (140kW+), a gas or oil packaged boiler remains the preferred solution. For screed drying, UFH commissioning, and occupied building applications up to approximately 36kW, electric is often the smarter choice.
What’s Included in Our Electric Boiler Hire Service?
Ideal Heat Solutions provides a fully managed electric boiler hire service, not just equipment delivery. Every hire includes:
- Delivery to site across the UK, including London, Kent, Essex, Surrey, Sussex, Hampshire, Birmingham, Bristol, Manchester and Leeds
- Installation and commissioning by experienced engineers
- Trend BMS remote monitoring for real-time performance data and temperature control
- Ongoing technical support for the duration of the hire
- Decommissioning and collection on completion
Our units are compact, trolley-mounted, and designed for easy positioning in plant rooms, basements, corridors, and construction site environments. There are no fuel storage or flue requirements, and setup is typically completed quickly with minimal disruption to site operations.
Sectors We Support with Electric Boiler Hire
Our temporary electric boiler hire service is used across a wide range of sectors:
Construction & Refurbishment
Screed drying, underfloor heating commissioning, and temporary building services during fit-out. We work with main contractors, sub-contractors, and project managers across residential, commercial, and mixed-use developments.
Healthcare & Education
Occupied buildings where fume-free heating is not optional, such as hospitals, schools, colleges, universities, and care homes.
Commercial Offices & Public Buildings
Fit-outs, refurbishments, and new builds where screed or UFH systems need commissioning without disruption to building users.
Residential Developments
New build apartment blocks and housing developments where gas connections are not yet live, and UFH systems need to be commissioned before final finishes.
Hotels & Leisure
Sensitive environments where quiet, clean, emission-free heat is essential during refurbishments or heating works in occupied areas.
Light Industrial & Warehousing
Smaller industrial applications where controlled heating is needed without the complexity of a full gas or oil installation.
Frequently Asked Questions About Electric Boiler Hire
Can I use an electric boiler hire unit indoors?
Yes. Because electric boilers produce no combustion gases, they can be installed safely indoors, including in confined or poorly ventilated spaces where a gas or oil boiler would be unsuitable.
Do I need a three-phase supply for electric boiler hire?
Our 15kW unit operates on a single-phase supply. Our 22kW and 36kW units require a three-phase supply. If you are unsure what supply is available on your site, our team can advise.
How quickly can an electric boiler be delivered and installed?
In most cases, we can deliver and commission an electric boiler the same day or the next day, depending on your location and availability. Contact us to confirm the lead time for your specific project.
How is the temperature controlled?
All our electric boilers are fitted with Trend BMS remote monitoring, allowing our engineers to track performance data and adjust settings remotely. This eliminates the need for daily site visits during screed drying programmes.
Is electric boiler hire suitable for large commercial screed areas?
Our 36kW unit is well-suited to larger commercial screed drying programmes. For very large areas, multiple units can be deployed in parallel to achieve the required output. Contact us to discuss your specific floor area and target drying schedule.
Ready to Arrange Electric Boiler Hire?
Whether you are managing a tight screed drying schedule, commissioning an underfloor heating system in an occupied building, or working on a construction site without a gas connection, electric boiler hire from Ideal Heat Solutions offers a clean, safe, and highly controllable temporary heating solution.
With a 15kW–36kW fleet built in-house to the highest standards, Trend BMS remote monitoring as standard, and fully managed delivery, installation, and support across the UK, we make electric boiler hire straightforward.