Home » Heater Hire » Indirect Fired Heater Hire

Aqua Hire’s range of Indirect Fired Heater Hire units are primarily designed for use in areas with limited ventilation or in a scenario where combustible materials are nearby. The fuel is injected into a gas-tight combustion chamber, it’s then ignited and burnt at a regulated rate. The resulting effect is a continual large volume of safe, clean, dry heat.

Indirect Fired Oil Heaters

The Aqua range of Indirect Fired Oil Heaters are extremely popular for space and comfort Heating because they give the assurance of safe, clean heated air. In contrast to Direct Fired Heaters, the indirect variant is fine if ventilation is limited or there is a risk to combustible materials. With the indirect design concept the temperature of the air is raised without any rise in humidity – meaning they can be used for drying applications such as drying out buildings in the construction industry or in premises that have suffered from the effects of flooding.

Our Heater Hire units operate on diesel oil – click here for more information on our fuel management service and remote telemetry.

Aqua Hire has a comprehensive fleet of Indirect Fired Heater Hire solutions, so whether you’re looking for Heating for a small project or a large scale commercial project, we have a suitable model for your specific requirements.

Nationwide Coverage

Our Indirect Fired Heater Hire equipment and specialist engineers are based across the whole of the UK, ensuring Aqua offers our customers nationwide coverage every day. When you Hire from us you have the benefit of knowing that one of our engineers is never too far away and can support your business 24/7. Whether it’s an initial site visit or final delivery, we’re used to working quickly! Offering from next-day delivery on a range of Cooling and Heating equipment and our minimum Hire period starts from just one week.

Wherever you are in the UK, our top priority is to get your business back up and running with minimal downtime. In emergency breakdown scenarios a fast response is critical and by having a network of F-Gas engineers and Gas Safe engineers across the UK, we’re able to offer that each and every time.


Aqua Hire’s smaller 25kW models offer over 85,000 BTU, whereas the larger 195kW units achieve over 600,000 BTU. Put simply, the units are designed so that the heat exchanger produces clean, fume free heat, which comes from a stainless steel combustion chamber. During the process the exhaust gas and hot air are kept apart, making the system ideal for enclosed areas that don’t have good ventilation.

Options include pneumatic tyres and transport handle, making the units simple to move into and around the room or site. A thermostat can also be supplied and connected to change the unit from manual to automatic control.

Safety options include protection against over Heating and temperature limitation. A rain cover can be added to the burner, as well as a lower tray for oil containment during routine servicing. Some models have a pre-heating chamber which protects against cold air being blown during initial start up.

Aqua’s larger units have the option to be suspended, if your application should require it. They can also be connected to ducting to allow the warm air produced to be directed across long distances.

Marquee Heater Hire

For Heating a Marquee, or similar temporary or pop up venue, an Indirect Fired Heater Hire unit provides the best solution. The Heaters can sit outside of the venue being heated and the warm air is simply ducted back inside. This ensures a safe and clean source of heat, suitable for all sizes and specifications of temporary venue. The heaters operate on readily available propane gas which is normally purchased in cylinders.

Aqua Hire’s units have capacities from 25kW up to 53kW and 170,000 BTU. Some models can be fitted with a dual connection so that two gas bottle supplies can be used to give longer running times.

Infrared Oil Fired Heaters

For applications where you’re looking to dry material but without defrosting pipeline and/or machinery on site – or without releasing any dust particles into the air – our Infrared Oil Fired Heater is the perfect solution. With a 51 litre tank and nominal heating duty of 33kW, or 112,600 BTU, the infrared model is extremely powerful and the heat generated can be directly exactly where it’s needed.

Aqua’s Hire team are on hand to assist you, right through from product selection to installation stage. We have a UK network of engineers, meaning your Hire equipment can be delivered and installed quickly and effortlessly, with minimal downtime and disruption to your day-to-day operation.

Cooling/Heating Calculators

Our calculator tool will quickly help you determine an approximate heating and/or cooling capacity for comfort cooling purposes. You simply enter a few key facts and then press “calculate” for a guide figure which is often helpful for initial planning purposes.

To get an exact calculation you’ll need to factor in other variables, for example any HVAC equipment already on site. Our hire specialists are highly trained and experienced in a range of cooling and heating applications. They’ll help you every step of the way, from working out capacity required and product selection right through to getting the right equipment on site.

Click Here to view Aqua’s Cooling and Heating Calculators

indirect fired heater hire

Comfort Heating Enquiry?
Before you call…

There’s some key information that will enable our hire specialists to find the best solution for you as quickly as possible and we’ve detailed this below. These answers will help speed up the quotation process and our overall response time from enquiry to delivery/installation – essential in an emergency scenario. If you don’t have all the answers to hand then our team will help guide you through the process and can always arrange a free, no obligation, site visit if needed.

  • Minimum time you’ll require the equipment for
  • Approximate room/building size – width/length/height – photos or floor plans are really useful
  • Number of occupants within the space
  • Number of windows and doors within the space, are they easily accessible and are any fire doors?
  • Details of any computers or other machinery within the space
  • Location – ground floor or otherwise
  • Is noise a consideration? We have low noise equipment options available
  • Any access/delivery restrictions to overcome?
  • Availability of outside space – if siting equipment externally

Our Cooling and Heating Calculators will also help you to work out an indicative cooling/heating capacity.