Knowledge for the energy revolution in crafts

Heat pump or pellet heating system? Compare benefits, costs, efficiency and environmental balance now — for new and old buildings.

Iced heat pump? Find out the causes, solutions and prevention tips — for efficient operation even in winter.

How efficient is a heat pump in winter? All facts about performance, power consumption and tips for reliable operation in cold weather.

Heat pump power lowers your heating costs. Find out how the tariff works, when it's worthwhile and what to look for when choosing.

Is a buffer tank necessary for heat pumps? Advantages, applications, sizes & combinations with renewable energy simply explained.

Find out everything about EVU cut-off periods for heat pumps, effects, how to effectively avoid loss of comfort and legal requirements.

Erfahren Sie, wie oft eine Wärmepumpe gewartet werden muss, was dazugehört, was es kostet und wann sich ein Wartungsvertrag lohnt.

Ein Pufferspeicher speichert Wärme, erhöht die Effizienz der Heizung und sorgt für gleichmäßige Wärme im Haus. Jetzt mehr erfahren!

Der U-Wert zeigt, wie gut Bauteile dämmen. Erfahren Sie, was ein guter U-Wert ist und warum er für Energieeffizienz so wichtig ist.

Schallhauben reduzieren den Lärm von Wärmepumpen spürbar. Erfahren Sie, wann sie sinnvoll sind und welche Alternativen es gibt.

Find out how long heat pumps last, which factors influence their lifespan and how you can extend them through maintenance.

What are the distances between heat pumps and neighbors? Here you can find regulations, tips on noise protection and solutions when the heat pump is too loud.

Wells for heat pumps: function, construction, approval, costs and alternatives explained in a nutshell — find out more now!

The bivalence point determines when a heat pump requires additional heating. Find out how heating costs can be influenced and optimized.

This article provides a comprehensive overview of refrigerants, how they work, types, properties and their importance in various applications.

This article provides an overview of the differences between the two methods.

Erfahren Sie, ob eine Wärmepumpe mit Heizkörpern sinnvoll ist, welche Heizkörper geeignet sind und welche Kosten beim Austausch entstehen.

Erfahren Sie, wie Sie die richtige Größe für Ihre Pelletheizung berechnen – inklusive Heizlast, Pufferspeicher und Lagerraum

Heat pumps: environmentally friendly, efficient and eligible for funding. Everything about costs, benefits, installation and the best models at a glance.

Wärmepumpen senken Heizkosten, sind vielseitig und nachhaltig. Erfahren Sie, warum sie eine zukunftssichere Heizlösung für Neubauten sind.

Grundwasserwärmepumpen nutzen die konstante Wärme des Grundwassers und bieten hohe Effizienz. Erfahren Sie alles zu Kosten, Förderung und Betrieb!

The heat loss survey is an important tool for designing heating systems.

Find out how methods A and B differ in hydraulic balancing and which is best suited for your heating system.

Hydraulic balancing is a method for optimizing the heating system to ensure that all radiators in a system are evenly supplied with hot water. This is happening

Imagine if the energy that surrounds us — the heat of the earth, the air around us — could be used directly to heat our homes and offices. It almost sounds like magic, but...

Since the beginning of August, there has been a cooperation partnership between autarc and e-masters, a network of over 3,500 electrical and HVAC companies in Germany.

As part of continuous development and growing awareness of environmentally friendly heating solutions, the focus is increasingly on heat pumps.

If you're planning to install a heat pump for your home, choosing the right size is crucial. Oversizing the heat pump can lead to inefficient operation and increases...

autarc now on social media: Follow us and find out how to prepare for a sustainable future with renewable energy as a heating company.

Heat pump or infrared heater? Compare the costs, efficiency and suitability of both systems for your building — explained in a concise and understandable way.

There are many myths and misconceptions in the world of heat pumps. A widespread assumption is that heat pumps can only work efficiently with underfloor heating. But is that w

When you have a sales pitch with a customer, you ask them to invest thousands of euros and change the look of their home, among other things.

Heat pumps are an efficient and environmentally friendly way to heat buildings. They use the heat available in the environment to heat buildings. However, they are not just for...

COP, SCOP, JAZ — what do these terms mean for heat pumps? Learn the most important key figures and technical terms simply explained!

Heat pumps offer an attractive option as a heating system and are a good alternative to heating systems that use fossil fuels.

Wärmepumpe oder Ölheizung: Jetzt Kosten, Effizienz & Förderung vergleichen und die beste Heizlösung für Ihr Zuhause finden!

Heat pump or gas heater? Find out which heating system is cheaper, more efficient and future-proof. Read the direct comparison now!

Choosing the right heating system for your own home is an important decision that must take into account many factors. In addition to costs and convenience, energy efficiency also plays a role

“Of course, I also question the use of new tools in the company! The employees in my environment are very satisfied with the software because it delivers exactly what we want the customer to...

Where can a heat pump be located? Find out which installation locations are possible and what you need to pay attention to when placing them — including tips for optimal use.

An air-water heat pump usually has two units. Most often, one is outside (outdoor unit) and the other inside the building...

Determine the correct output for your heat pump This is how the optimal design is achieved for maximum efficiency and minimum heating costs!

Pelletheizungen bleiben erlaubt und gelten als erneuerbar. Erfahren Sie, was das GEG vorschreibt und wann sich eine Pelletanlage wirklich lohnt.

When you decide to buy a heat pump, there are many factors to consider. One of the most important aspects that is often overlooked is the sound level of the device.

This article presents the most important trade fairs in 2025 at which autarc.energy is represented and gives an insight into what visitors can expect there.

The heat pump uses a special heat transfer medium (refrigerant) with a very low boiling point to transfer heat. It flows in a closed refrigerant circuit, changes...

Who can install a heat pump? Here you can find out everything about regulations, specialist companies and whether self-installation is permitted.

Heat pumps offer many advantages, but also disadvantages. Find out whether the investment is worthwhile and which points you should consider.

In this article, you can find out which options are available, what are their advantages and disadvantages and what the future of refrigerants looks like.

Heat pumps offer many advantages, but also disadvantages. Find out whether the investment is worthwhile and which points you should consider.

Hydraulic balancing: Use BAFA funding for efficient heating. Find out costs, requirements and potential savings.

The efficiency of a heat pump depends on several factors. Find out which requirements ensure high efficiency.

What developments will shape the future of heat pumps? A look at the new regulations promises exciting insights.

From the end of May, owners of existing apartment buildings and condominium owners' associations (WEG) in Germany can apply for BEG funding.

Find out everything about subsidies for heat pumps 2025: Subsidies, loans and easy application with autarc funding aid.

Calculation of heat loss is a crucial step in planning an efficient heating system.

Keep the heat pump or switch to district heating? Find out what applies to new networks and whether dismantling is really necessary.

Find out what types of energy certificates are available, when they are needed and how consumption and requirement certificates differ.

A heat pump promises efficient heating and independence from fossil fuels. Before the decision is made, there is a crucial question: What costs will you have to face?

Air heat pumps are efficient and sustainable. Find out everything about costs, funding, tests and whether an air heat pump is worthwhile for you.

With a circulation line, hot water is immediately available. It increases comfort, saves water and ensures greater hygiene in your building.

Hybrid heat pumps combine renewable and fossil fuels. Find out how they work, how much they cost and when they're worth it.

Hot water heat pumps save electricity and costs. Find out how they work, how much they cost and when the investment is worthwhile!

Instant hot water without waiting time? Discover how a circulation pump increases comfort, saves water and improves hygiene in your home!

Energy certificate explained simply: Find out who needs it, what information it contains and why it is essential for companies.

What is energy consulting? Find out how you can reduce energy costs, use subsidies and make your property energy efficient.

Einrohr- oder Zweirohrheizung? Erfahre die Unterschiede, Vor- und Nachteile sowie Tipps für den Umbau und die Wärmepumpen-Nutzung.

Find out why the flow temperature is crucial for heat pumps and how it influences efficiency, power consumption and heating costs.

The ISfP provides a clear plan for the energy-efficient renovation of your house — including measures, costs and funding opportunities for efficient implementation.

Find out everything about KfW 458 funding: Subsidies of up to 70% for climate-friendly heating systems, requirements, application and more!

What distinguishes consumption-based heating load calculation from roomwise heating load calculation? Compare differences, areas of application and benefits now.

More and more heat pumps rely on a refrigerant that combines efficiency and sustainability. But what makes R290 so special and why is it becoming increasingly important in heating technology?

Why is hydraulic balancing mandatory? Find out which laws dictate it and in which cases it must be enforced!

Hydraulic balancing is an essential step in the installation and maintenance of heating systems. Especially in the case of heat pumps, method B of hydraulic balancing ensures that the

Is your house suitable for a heat pump? Find out what requirements new, old, terraced and multi-family houses must meet.

Heat pump electricity is cheaper than household electricity. Find out how the tariff works and when it's worth switching.

Our iPad app with 3D scan is available in the App Store! We are pleased to announce that we have officially released our iPad app in the Apple App Store. What you know about this so..

Find out more about switching from L-gas to H-gas. Which countries and devices are affected? How does the process work? Are there any costs and subsidies?

Austria is playing a leading role in the energy revolution, with heat pumps playing a central role in the quest for environmentally friendly and efficient heating technology.

Update: Funding for heating and renovation from 2024. The funding guidelines for heating and refurbishment measures are constantly changing, and 2024 will be no exception. In the fol...

The world of heat pumps is crucial for the future of environmentally friendly heating technologies.

Anyone who deals with modern construction cannot ignore the concept of the U-value. But what exactly does the term “U-value” mean?

When it comes to success in the heat pump industry, few things are more important than a functioning sales and planning process. From generating leads for heat pumps, to...

Energy prices are rising and many households are thinking about how they can relieve the tight family budget. We are happy to give you some tips on how you can save money and more...

From 2025, a smart meter will be mandatory for heat pumps. Find out who is affected, what costs are involved and what the benefits are.

In view of the increased requirements for heating engineers to comply with hydraulic balancing in accordance with method B.

Roomwise heating load calculation is crucial for efficient heating systems by determining the exact heat requirement per room and thus helping to select the appropriate heat pump.

Calculation of heat loss is an indispensable step for energy efficiency and comfort. But what role does MCS complaince play and why is it so important?

Using solar energy is a step towards sustainability & energy independence. But before you decide on a solar system, there is a question: PV or solar thermal energy?

Since 2022, the German heat pump market has been growing dynamically, driven by rising energy prices and increasing awareness of their ecological and economic benefits.

New differentiation guide: Who is allowed to install PV systems — roofers or electricians? All changes and effects explained briefly.

Since the beginning of 2023, utilisation of the hydraulic balancing method B has been mandatory in Germany. What are the key technical points of process B?

The ongoing digital transformation has reached the sanitation, heating and air-conditioning (HVAC) sector and promises to fundamentally transform traditional ways of working.

Discover the importance of energy certificates and learn how they assess the energy efficiency of buildings and also play an important role in improving energy efficiency.

Everyone is talking about the energy revolution, and the buzzword is very popular.

A recently presented draft law by the federal government is causing concerns among many consumers.

Numerous trade fairs for the craft sector are currently taking place again and we are taking part.

The federal government recently passed a bill to amend the Building Energy Act to make the installation of modern heating systems more attractive.

The Federal Funding Program for Efficient Buildings (BEG) has developed into a dynamic instrument that is subject to regular reforms to reduce emissions from buildings. Insbesond

Comparison of R32 and R290: Find out which refrigerant is more suitable for heat pumps — focusing on efficiency, environmental friendliness, safety.

With the introduction of the new Building Energy Act (GEG 2024), municipal heating planning is becoming the focus of German climate policy.

This article explores how heat pumps can increase property value and why they're a worth considering investment.

Experience report: On the road to sustainable heating with autarc! In today's fast-moving world, environmentally friendly and sustainable heating solutions for households are more important than ever.

In this article, we introduce you to popular manufacturers of thermostatic valves whose innovative solutions pave the way for more efficient and environmentally friendly heating systems.

Heat pump planning software: Why is it so important for heat pump projects? Just with pen and paper and now replaced by software solutions as an indispensable tool...

Is a heat pump worthwhile? Find out which requirements must be met and for which buildings the installation really makes sense.

The energy efficiency of heat pumps can significantly contribute to reducing CO₂ emissions. They are thus making a significant contribution to the energy revolution.

This blog post is about the Vdz form. Who is Vdz anyway, what is a Vdz form, what do you need it for and what do I have to consider when using the form?

The 2024 heating revolution: What you need to know about the new heating law The German federal government is planning to severely restrict the use of oil and gas heating systems.

As of 2024, significant changes will come into force under the Building Energy Act (GEG) that affect HVAC companies (plumbing, heating, air-conditioning technology). These changes aim to:

This article provides a comprehensive overview of DIN 12831 and shows the differences and typical areas of application of the two calculation methods.

Heat pumps are a key technology for heating and cooling buildings. They are environmentally friendly and can help to reduce energy consumption and therefore energy costs

Automatic or calculated hydraulic balancing? Find out the differences, costs and which method makes sense for your heating system!

In January 2023, BAFA (Federal Office of Economics and Export Control) updated its funding guidelines for the installation of renewable energy in buildings.

What are the operating modes of heat pumps? Find out which heating strategy best suits your building and how to heat efficiently.

Discover funding opportunities for heat pumps in single-family homes: grants, loans and application tips for 2025.

2024 marks the beginning of the end of pure oil and gas heating systems, at least according to the new Building Energy Act (GEG). Soon, many German owners will have to use their traditional, purely foi...