How does a 3-port valve work, what is it used for, and how to install it? How can you identify malfunctions and improper operation? You'll find answers to these and other questions in today's post. Stay tuned.

Today's post covers the differences between a three-way valve and a four-way valve. Find out which model works better for different types of central heating systems.

What is a four-way valve, and what is it used for? How is it constructed, and in which installations will it work best? When should you opt for a four-way valve with an actuator? Answers to these and other questions can be found in today’s post.

What is a three-way valve with an actuator? How does it work and what is it used for? Why is it worth investing in, and what should you pay attention to when choosing a model? We answer these and many other questions about three-way valves with actuators in today's post!

What is a three-way valve? How is it constructed, and what is its purpose? How do you connect and properly set it up? We will answer these and other questions in today's post. Additionally, we will discuss the control, operating mechanism, and the purpose of three-way valves with a thermostat. Stay tuned.

How do solar collectors work? What is their basic principle of operation? This guide covers the absolute basics for beginners, explained in simple and understandable language. If you're considering using the sun to heat domestic hot water, make sure to read this.

The thread size in the hydraulic product you purchased doesn't match? Check the sizes of the individual threads so you can determine if you received the correct size.

Are the sensational reports about the gas heating ban issued by the EU true at all? From when would the ban on the installation of gas boilers come into effect? Who would be subject to such a ban?

What is cogeneration? How does this process work, where can it be applied, and what are its benefits?

What is a sealed heaing system? What is an open vented system in central heating? What are the differences between them? Everything you need to know, explained simply.

Find out how to choose a gas boiler for a house of approximately 150m² - how many kW should the gas boiler have to be effective? What else should be considered? How to size a condensing boiler for a new house and for an old house?

Check the benefits of regular gas boiler servicing. Is gas boiler servicing necessary at all? What are the risks of not having it done?

Technical analysis of the idea of installing underfloor heating in the bathroom. Is it always a good idea? When might it not work well? Will additional radiators, such as ladder-type radiators, be needed?

Learn more about the issue of E. Coli bacteria in water, whether from a public water supply or a private well. Find out how to eliminate E. Coli bacteria and whether it is safe to use such water.

Air source heat pump for an old house. Analysis of a question: Is It Worth Installing a Heat Pump in an Old House? with an Old Heating System? Will it work properly?

There are various types of heat pumps available on the market. They differ based on the source from which they extract heat, which affects heating efficiency, costs, and overall profitability. Analyzing the basic types of heat pumps will help you understand which one to choose for your building, ensuring you avoid an unprofitable solution pushed by a Salesman.  

Are you renovating your apartment or looking to build your dream home and considering installing underfloor heating? Do you want to know how water underfloor heating works? Let's see why heating in the floor is much better than traditional radiators.

Basic information on soldering / brazing as performed in the refrigeration industry, for devices using freon or refrigerants - such as air conditioners, heat pumps, and heat exchangers for these devices, condensers, etc.