Have you ever wondered how your home is capable of generating hot water whenever you need it? As it turns out, you have an entire system dedicated to heating and circulating clean water around your house. It is important that this system gets the attention and care it needs to perform at its best for years to come. This is especially because installation and repair does not come easy.

However, it may not be easy to get information on boilers because it is such a niche industry. So here’s a quick primer on the five most common questions on boiler systems, answered. 

Do boilers actually boil water?

No, boilers do not actually boil water. This is a common misconception, and for good reason, because it used to be the case with steam boilers. 

However, modern boilers usually take advantage of natural gas to create the hot water we enjoy in our homes. Most of the boiler systems available on the market can heat water in a range of 145 to 190 degrees.

Do boilers affect the overall humidity of my home?

Technically, having a boiler should not add or remove humidity to its environment, unless you are using a cast iron boiler. But if you are trying to provide hot water to your home using a low-efficiency boiler, then it can dry out the indoor atmosphere. This is because it will use the air indoors to light the combustion flame.

In contrast, high-efficiency boiler systems will pull the air from outdoors to achieve combustion. As a result, it will not affect your indoor air quality. That is why it is so important to have boiler systems checked and maintained on a regular basis.

Do boilers waste energy or water?

No. Since boilers are a sealed system, there are no waste products generated in the process of heating water. The modern boiler systems used in many homes and buildings perform just as efficiently as any gas forced-air furnace.

However, you may need to get your boiler system checked. Regular maintenance will help make sure that the system remains performing at its best. Head over to for more information on finding the right technicians to repair your boiler.

Why did my boiler stop working?

Some of the most common reasons behind a faulty boiler system involve pump failure, low water pressure, or problems with the electrical components like the controls and the thermostat. It is also possible for air to enter the system and interfere with the movement of water. In extremely cold winter weather, water can also freeze over (however, this is a rare occurrence).

What do I need to know about my boiler?

While you do not need to be an expert on the entire boiler system, it is recommended that you know a few basic details about your equipment. This will help you keep an eye on the boiler and speed up the process of finding a service technician when you need maintenance work done.

The most important thing you need to know whether your boiler is a standard efficiency or high-efficiency model. This can be determined by looking at the pipe. You have a standard efficiency if the boiler has a vented in metal pipe. Conversely, a high-efficiency model would have a vented in PVC pipe located at either the top or the side of the boiler. 

You also need to determine the type of radiation your boiler uses. This will be useful for finding a service technician who specializes in maintaining your boiler system. 

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