Knowledge base
Sustainability Knowledge Base
Clear, honest guides on sustainability, written by our own advisors. This helps you make the right choice, without sales pitches.
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Smarter sustainability starts with good information
Choose a topic or search directly through all our guides. Request no-obligation advice afterwards; we would be happy to calculate your specific situation for you.
Featured
Start here: our most requested guides
Heat pumps
How much does a heat pump cost in 2026?
The price depends on the type and your home. We provide honest guide prices, plus what you get back through subsidies and savings.
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Solar panels
How many solar panels do I need?
The right number of panels depends on your electricity consumption and your roof. We explain how to determine it.
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Home batteries
Home battery: is it worth it in 2026?
Now that the net-metering scheme is disappearing in 2027, self-consumption is becoming more important. We explain honestly when a home battery pays off.
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EV chargers
Installing a home charging station
Charging at home is convenient and cheaper than a public charging station. We walk you through the costs and the steps.
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Subsidy & tax
Applying for ISDE subsidy: step-by-step plan & conditions
Which measures qualify for the ISDE, how much do you get back, and how do you apply without making mistakes? We can handle it for you.
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Central heating boilers
Replacing your central heating boiler: when and how much does it cost?
A central heating boiler does not last forever. We explain when it is wise to replace it, and what a hybrid step can yield for you.
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Heat pumps
28
Hybrid or all-electric heat pump?
These two types of heat pumps differ significantly. We explain honestly which one suits your home, without the sales talk.
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How much does a heat pump cost in 2026?
The price depends on the type and your home. We provide honest guide prices, plus what you get back through subsidies and savings.
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Buying a heat pump: what should you look out for?
A heat pump is a great investment, but the choices you make make all the difference. We walk you through everything, honestly and without sales talk.
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Heat pump and noise: how many decibels?
Noise is a frequently asked question regarding heat pumps. We explain what is normal and how we keep it quiet.
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Do I need underfloor heating for a heat pump?
A persistent misconception. We explain when underfloor heating helps and when radiators are perfectly sufficient.
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Heat pump maintenance: is it necessary and how often?
A heat pump is reliable, but maintenance keeps efficiency and warranty levels up. We explain what is involved.
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Is my home suitable for a heat pump?
Almost every home can heat with a (hybrid) heat pump. We explain what it comes down to.
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Monoblock or split heat pump?
Choosing between a monoblock and a split heat pump is crucial for the efficiency and installation costs of your heating system. Both types offer d
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How much electricity does a heat pump consume?
At Energie Install, we are often asked how much electricity a heat pump consumes. This is an important question, as it can have a significant impact.
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Going off-gas: the step-by-step plan
More and more homeowners are choosing to go off-gas. But how do you approach that? At Energie Install, we understand that this is an important decision.
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Do heat pumps work in winter?
Winter is approaching and temperatures are starting to drop. For many homeowners with a heat pump, the question arises: does such a pump continue to work in the c
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Do I need a buffer tank for a heat pump?
When purchasing a heat pump, it is important to consider whether a buffer tank is necessary. Energie Install, your certified installation company
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Heat pump versus central heating boiler
The choice between a heat pump and a central heating boiler depends on various factors, such as your home, energy requirements, and budget. Both systems have
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Replace radiators for a heat pump?
The switch to a heat pump often raises the question of whether your existing radiators are still sufficient. Conventional radiators are designed for higher te
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Making your home more sustainable: in what order?
Sustainability is an important topic for many homeowners. But where do you start? Energie Install is happy to help you on your way. In this article, we provide
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Comparing heat pump brands
Choosing a heat pump is an investment in comfort and sustainability, but which brands really deliver what they promise? With dozens of options on the
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Costs of an all-electric heat pump
An all-electric heat pump is an efficient way to heat and cool your home. At Energie Install, we are happy to help you with the choice and install
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Heat pump and your energy label
At Energie Install, we are regularly asked about the influence of a heat pump on a property's energy label. In this article, we explain
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Heat pump for your business premises
A heat pump for your business premises can be an efficient and environmentally friendly way to heat and cool your building. At Energie Install, we
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Energy label of your home explained
The energy label of your home is an important document that provides insight into your home's energy consumption. As a certified installation company,
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Placement of the heat pump outdoor unit
If you choose a heat pump, the placement of the outdoor unit is an important aspect. At Energie Install, we are happy to advise you on the best loc
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Placement of the heat pump indoor unit
When placing a heat pump indoor unit, it is important to consider various factors to ensure optimal operation and effici
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Heating temperature of a heat pump
The heating temperature of a heat pump is a crucial factor for the efficiency and comfort of your heating system. At Energie Install, we underst
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Renting or buying a heat pump?
At Energie Install, we are often asked whether it is better to rent or buy a heat pump. In this article, we explain the pros and cons
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Living without natural gas
Living without natural gas is a current topic. More and more homeowners are looking for ways to make their homes more sustainable and less dependent on
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What does it cost to go off-gas?
More and more homeowners are looking for ways to go off-gas. But what does that actually cost? In this article, we provide you with an overview of the costs
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Energy subsidies 2026 at a glance
Are you curious about the different types of energy support you can receive for your sustainable energy projects in 2026? Energie Install is here to help you
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Ground-source or air-source heat pump?
The choice between a ground-source or air-source heat pump is crucial for the efficiency and sustainability of your heating system. Both options offer unique ad
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Solar panels
19
How many solar panels do I need?
The right number of panels depends on your electricity consumption and your roof. We explain how to determine it.
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Solar panels and feed-in: how does it work?
Net-metering, feed-in costs, and the end of the net-metering scheme in 2027, we explain what it means for your yield.
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Solar panel maintenance: what and how often?
Solar panels are low-maintenance, but not maintenance-free. We explain what keeps your yield up to standard.
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0% VAT on solar panels: how does it work?
For several years now, private individuals have paid 0% VAT on solar panels. We explain exactly what that entails.
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Solar panels on a flat or pitched roof?
Both roof types are perfectly suitable. We explain the difference in installation and yield.
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Choosing an inverter: string or micro?
The inverter is the heart of your solar system. We explain the difference between string and micro.
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Monitoring your solar panels
As a solar panel owner, it is important to monitor them. This ensures your installation is performing optimally and allows you to spot any problems.
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Calculating solar panel yield
At Energie Install, we know it is important to have a realistic expectation of the yield from solar panels. The yield of solar
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Do I need a permit for solar panels?
Installing solar panels on your roof is a popular way to lower your energy bill and reduce your ecological footprint. But
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Solar panels on new-build homes
If you have a new-build project, it is a good time to think about the future of your energy needs. Energie Install can help with the in
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Full-black or blue solar panels?
At Energie Install, we notice that many customers wonder which solar panels best suit their home. A common question is the diff
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Power optimizers explained
Power optimizers are devices that improve the energy management function of solar panels, enabling higher energy yields. At
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Are solar panels fire-safe?
Solar panels are a sustainable and increasingly popular solution for energy generation, but they do require attention in terms of safety. Fire
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Insuring solar panels
If you have had solar panels installed by Energie Install, it is important to protect your investment with good insurance. An insurance
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Solar panels and shade
Solar panels are a popular way to generate sustainable energy, but shade can have a significant impact on their yield. At Energie
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Glass-glass or glass-foil panels?
The choice between glass-glass and glass-foil solar panels is crucial for the lifespan and yield of your installation. Both types have specific prop
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Payback period for solar panels
If you are considering installing solar panels, the payback period is an important factor to consider. Energie Install, a certified ins
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How long does it take to install solar panels?
Switching to solar energy is a smart investment, and the installation of solar panels is often done faster than you think. On average, the in
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Will my roof remain watertight with solar panels?
When choosing solar panels, it is important to know whether your roof will remain watertight. Energie Install understands this concern and explains how solar pane
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Home batteries
15
Home battery: is it worth it in 2026?
Now that the net-metering scheme is disappearing in 2027, self-consumption is becoming more important. We explain honestly when a home battery pays off.
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Home battery with a dynamic contract
A battery combined with a dynamic contract allows you to charge when electricity is cheap and use it when it is expensive. We explain how.
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What home battery capacity do I need?
Too big is a waste, too small and you won't utilise your solar energy. We explain how to determine the right size.
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Home battery without solar panels?
At Energie Install, we are often asked if it is possible to install a home battery without solar panels. In this article, we go into more detail.
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Payback period of a home battery
A home battery is an investment in your energy-neutral future. But how long does it take before you earn back this investment? At Energie In
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Home battery as emergency power?
If you are considering installing a home battery, it is important to know whether it can also serve as emergency power. Energie Install, a certifi
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Is a home battery safe?
A home battery is a device that stores excess electricity that you have generated yourself with solar panels. But is such a home battery safe
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Dynamic energy contract explained
A dynamic energy contract is a type of energy contract that adjusts energy prices to current market prices. As a result, the energy bill can
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Comparing home battery brands
A home battery is an increasingly popular way to store the electricity your solar panels produce for later use. But with so many
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What does a home battery cost?
If you are thinking about making your energy consumption more sustainable, a home battery is an interesting option. Energie Install, a certified installa
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Lifespan of a home battery
The lifespan of a home battery is an important topic for many consumers considering purchasing a home battery for their home
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Subsidy for a home battery?
Are you looking for a way to lower your energy bill and reduce your ecological footprint? Then a home battery can be an interesting
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Installing a home battery: the steps
Installing a home battery can be a great way to make your home more sustainable and lower your energy bill. At Energie Install, we help
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Combining a home battery and a charging station
At Energie Install, we know how important it is to store and use energy efficiently. Combining a home battery and a charging station can be a
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Power versus capacity of a home battery
A home battery can be a valuable investment for homeowners who want to optimize their energy consumption and their dependence on the
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EV chargers
14
Installing a home charging station
Charging at home is convenient and cheaper than a public charging station. We walk you through the costs and the steps.
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Installing a business charging plaza
Multiple charging points for your business, fleet, or staff? We arrange a future-proof charging plaza from A to Z.
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What charging station power do I need?
Choosing the right charging station for your electric car is crucial for efficient and worry-free charging. Power that is too low results in unnecessarily lon
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Charging station in an owners' association (VvE) or apartment
If you live in an apartment or are part of an owners' association (VvE), installing a charging station for your electric car can be a challenge. Energie Install helps.
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1-phase or 3-phase charging station?
When purchasing a charging station for your electric vehicle, you may have been faced with the choice between a 1-phase or 3-phase charging station. Energi
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Subsidy for a charging station?
The switch to electric driving is a sustainable choice that is becoming increasingly popular. Your own charging station at home offers great convenience. But are there also sub
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Comparing charging station brands
If you are looking for a reliable charging station for your electric vehicle, comparing different brands is a good step. Energie Ins
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Charging station with or without a fixed cable
Choosing between a charging station with or without a fixed cable is crucial for the daily convenience and flexibility of your electric car. Underst
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Installing a charging station: the steps
If you have an electric car or are considering purchasing one, installing a charging station is a great option. Energie Install can help you with this
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Home charging versus public charging
When buying an electric car, it is important to consider how and where you will charge your vehicle. Energie Install, a certified install
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Connecting your charging station to solar panels
At Energie Install, we can help you connect your charging station to your solar panels, allowing you to charge your electric vehicle with green energy
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Smart charging with an app
Charging your electric car is much easier these days thanks to smart charging solutions. With an app, you can not only start your charging sessions
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What does home charging cost per kWh?
Charging electric vehicles at home is an increasingly popular option, but what does it actually cost per kWh? At Energie Install, a certified
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Upgrading your fuse box for a charging station?
Purchasing an electric car brings many benefits, including the convenience of charging at home. However, before you install a charging station
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Central heating boilers
10
Replacing your central heating boiler: when and how much does it cost?
A central heating boiler does not last forever. We explain when it is wise to replace it, and what a hybrid step can yield for you.
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Central heating boiler maintenance: why and how often?
Maintenance keeps your boiler safe, efficient, and reliable. We explain what it entails and how often it is necessary.
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Common central heating boiler faults
No hot water or an error code? We list the most common faults and what you can check yourself.
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Topping up a central heating boiler
A central heating boiler is an essential part of your heating system. To ensure it works optimally, it is important to regularly maintain the boiler
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What is an HR boiler?
An HR boiler is a type of central heating boiler that achieves high efficiency when burning fuel, making it more economical and environmentally friendly than
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Comparing central heating boiler brands
When choosing a central heating boiler, it is important to compare different brands to find the best option for your home. Energie Install can h
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Smart thermostat for your central heating boiler
A smart thermostat is a useful device that can help your central heating boiler work more efficiently, which can lower your energy bill. At Energie
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Central heating boiler water pressure explained
A central heating boiler is an essential part of your home heating system. But have you ever thought about the water pressure in your central heating boiler? At Energie Ins
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New central heating boiler or a heat pump?
Are you considering replacing your old central heating boiler with a new one or a heat pump? Both options have their pros and cons. At Energie Ins
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The age of your central heating boiler
The age of your central heating boiler is an important aspect to consider if you want to know if it is time to replace it. Energie Install can help you with this
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Air conditioning
11
An air conditioner that also heats: how does that work?
A modern air conditioner does not just cool, it also heats efficiently. We explain how and when that is a smart move.
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How much does an air conditioner cost in 2026?
The price depends on the number of rooms and the capacity. We provide honest guide prices for professional installation.
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Air conditioning maintenance: why and how often?
Maintenance keeps your air conditioning efficient, quiet, and hygienic. We explain what is involved.
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Calculating air conditioning capacity
Calculating the correct air conditioning capacity is essential for efficient and effective cooling of your home or business premises. At Energie Install
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Multi-split or single-split air conditioning?
When choosing an air conditioning system, the question arises: should I choose a multi-split or single-split air conditioner? As an experienced installation company
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Air conditioning or heat pump?
At first glance, an air conditioner and a heat pump look similar, but they have different functions and applications. Both systems can heat your home
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What types of air conditioning are there?
At Energie Install, you can find various types of air conditioning units suitable for different applications and rooms. In this article, we will discuss the va
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Using air conditioning in an energy-efficient way
At Energie Install, we know that air conditioning not only provides cooling but can also take a significant bite out of your energy bill. In this article
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Installing air conditioning: the steps
Installing an air conditioning system can be a complex task. At Energie Install, we understand that a good air conditioning installation is essential
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Air conditioning and refrigerant explained
An air conditioner that cools but does nothing else, a strange smell, or a sudden rise in your energy bill: it could indicate problems with the refriger
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Placement of the indoor air conditioning unit
The placement of the indoor air conditioning unit largely determines the efficiency, comfort, and lifespan of your air conditioning installation. Incorrect position
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