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A mobile heater is coming during construction work or renovation work becoming more and more common. No matter whether you Dry water damage or simply need winter construction heating, the possible applications of the mobile heaters are extremely diverse.
If temporary heat is required in winter, rental cooling is required for interim supply in summer or when renovation work is being carried out on cooling systems. The mobile heating and the cold water replacement can be connected to the existing infrastructure to bridge the gap. However, in the do-it-yourself sector, mobile heating is the much more commonly used variant.
1. Advantages and disadvantages: When to rent, when to buy?
The big advantage of mobile heating centers or a cold water replacement for rent is fast and precise availability. The operator’s obligations and proper operation are guaranteed by the landlord.
Tip: If the system fails during the rental period, the landlord will provide an equivalent replacement device. An important factor is always the regional proximity of the companies in order to quickly procure replacements if in doubt. Portals like Deutsche-Thermo.de offer comparisons of offers and help to find the right-sized system for the individual project in the area.
With regular use over several years, the same performance class or very small devices It may be better to buy the corresponding systems. What is particularly important here is that you can accurately estimate what device performance is required in the medium to long term.
However, especially when there are interruptions in use, such as seasonal use, you should not forget that a purchased device after a long break in use may no longer function properly. If you are already outside of the warranty, you usually pay for the repair or maintenance out of your own pocket.
Mobile heating centers or a cold water replacement are rented, especially for short periods of use such as a renovation or a new building.
2. Planning, implementation, delivery, construction: 4 steps to finished building heating
Regardless of whether you rent or buy, the planning process should always be similar:
2.1. Step 1: Define the area of application
Operating with electricity is very unprofitable, especially when there are longer downtimes.
In the first step, it is important to clearly define what you actually need the device for:
- What is the exact one? Purpose?
- How large Are the rooms to be heated or cooled?
- What temperatures should be achieved?
- Is sufficient electricity available or does the device have to be supplied with an additional fuel supply?
Come as an alternative to electricity Heating oil, liquid gas or wood pellets in question. The following applies here: the higher the power required and the longer the operating time, the more expensive it is to maintain electricity.
If a 20 kW device runs for a week at 20 kW x 24 hours x 7 days full load to heat up the screed, you end up with 3,360 kWh consumption. At 0.30 €/kWh The electricity costs are around 1,000 euros. A comparable system with heating oil (currently around 70 cents per liter) would consume oil worth around 250 euros during this period.
2.2. Step 2: Find the right device
As soon as the general conditions have been clarified, the selection of available options needs to be narrowed down. It is important here to achieve the most precise balance between performance and consumption: If you dimension too small, you may not achieve the required performance. If you are unsure, portals or the operators of mobile heaters can help. With precise information, the trained consultants can actually estimate relatively accurately how large the system needs to be.
A notice: The following numbers serve as a rough guideline; for building heating, you can expect approximately 50-100 W/m³ in the shell of the building, 25 to 30 W/m³ in a closed object, e.g. in a new building with windows and doors. Basically, the better the property is insulated, the less energy is required. For a 30 m² room (with a 3 m ceiling height) you would need around 5 – 10 kW in the shell. If the building already has windows and doors, the forecast consumption drops to 2-3 kW.
2.3. Step 3: Get offers
It is very important to compare different offers. Many providers may offer Additional services that are not absolutely necessary, others may offer “all-round worry-free” packages for a small additional charge. You should always get at least one comparison offer.
2.4. Step 4: Delivery, installation and connection
Once the best provider has been found and the contract has been signed, all that remains is delivery, installation and commissioning. Especially for smaller devices, it can be worthwhile to pick them up yourself and forego delivery. Larger systems should be installed by a specialist company; the prices are usually commensurate with the amount of work involved.
3. Versatile, flexible in use: Mobile heaters are comparatively inexpensive
Should a failure occur, a replacement or a technician will be available within a very short time.
The precisely fitting mobile heater is the biggest advantage when you rent mobile heaters. The devices are available in different sizesDepending on the provider, mobile heating centers as well as mobile refrigeration devices can ideally be on the construction site within less than 24 hours.
As long as it was well planned in advance and the system was adapted exactly to individual needsthe actual rental costs are manageable.
Depending on the size of the system, alternative fuels should be considered, as operation with electricity becomes very unprofitable, especially when the vehicle is idle for long periods of time. Considering the potential damage that improper heating can cause, mobile heaters and chillers for rent are comparatively inexpensive.
If it’s about long-term operation or longer downtimes, a purchase may make more sense. However, it is important to note that you are responsible for the maintenance and repair of the device. If a failure occurs, you have to organize a replacement yourself.
Image credits: Adobe Stock/Philippe, Adobe Stock/visivasnc, Adobe Stock/ReaLiia, Adobe Stock/Pormezz (sorted chronologically or according to the order of the images used in the buying guide)
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