Heat pumps are enjoying unwavering popularity, and one of the greatest advantages is the possibility of reducing the emission of carbon dioxide and other greenhouse gases into the atmosphere. An additional advantage is the possibility of heating domestic hot water in the house, which increases savings. However, for the whole to be effective and efficiently fulfill its task, the entire installation must be properly performed.
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Do heat pump pipes need to be insulated?
Pipes, next to radiators, are elements of the installation that are important heat carriers. The water in the pipes, when heated, releases heat into the room. If the installation is also located in unheated rooms, then so-called heat losses are noted. In practice, they are very important, their reduction often allows for significant savings. In such places (e.g. unheated basements), the best solution is to use an appropriate insulation variant. It allows you to protect the pipes, and thus protect the energy, which is then used to heat the living quarters or utility water.
How many meters should a heat pump pipe be?
The efficiency of a heat pump installation depends on many factors. The method of installation and the length of the pipes are also important. The main unit, although there are no detailed guidelines for the installation location, is most often placed about 30 cm from the external wall of the building, although when deciding on a specific solution, you should check the manufacturers' guidelines. For most currently available models, this distance usually does not exceed 1.5 m.
The distance between the external and internal unit cannot usually exceed 10-25 m horizontally and 3-5 m vertically. The heat pump pipe connecting the devices according to the manufacturers' recommendations should not exceed 20-30 m, although the optimal solution is a length of 7-8 m. Greater distances between units require the addition of the agent. It is assumed that 40 g/m should be added. However, it should be remembered that the maximum length of the cooling pipeline in one direction cannot exceed 12-15 m.
How to connect pipes to a heat pump?
A heat pump should always be selected depending on the energy needs of a given building, the specifics of the installation, etc. The heat energy generated in this way can be effectively used if the entire pipe system and installation are properly designed and constructed. The pipe diameters for a heat pump are selected depending on the power of the device. It is assumed that for standard parameters of 5-12 kW, the diameter of the pipes in the installation should be no less than 1". Some manufacturers even recommend installing elements with a diameter of no less than 1 ¼".
Another issue that should be considered is the type of pipes used, because the flow resistance for copper and PE pipes is different. Incorrectly selected pipes are a big problem. As a result, the nominal flow in the heat pump will not be achieved, and the device will not obtain the appropriate heating power, which will certainly increase the electricity bills. Properly selected pipes for heat pumps allow you to take care of the thermal comfort in your home.
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How to protect heat pump pipes against losses?
Heat loss is a serious problem, which is why it is important to eliminate it. Only then will the heat pump heating circuits be effective. One of the most popular solutions used for years is mineral wool. Its advantage is not only excellent insulation, but also resistance to moisture. Thanks to this, it is successfully used to protect water pipes.
An alternative solution is polyurethane foam. It works great in pipe insulation, due to its low thermal conductivity coefficient. Foam is a good solution when the installation length is greater. Among the advantages important for installers is the ease of use - it is easy to install and flexible, thanks to which it adapts perfectly to any shape.
Heat pump pipes at the Onninen wholesaler
It should be remembered that the basis is the selection of the right device and installation elements. The heat pump is available in many variants, differing in efficiency and heating efficiency.
The Onninen installation wholesaler offers a wide selection of copper pipes dedicated to heat pumps. All products are prepared by manufacturers with extensive experience in the industry and specializing in providing ready-made, professional and solid solutions.
One example is the Armacell Tubolit split ¼" copper pipe . The whole thing, available in a 25 m coil, is packed in a cardboard box, so the risk of damage during storage, packaging or transport is small. A big advantage is that it is pre-insulated. This means that the copper pipe is covered with a special layer of plastic. Thanks to this, it maintains high flexibility, which makes it easier to perform the installation and adjust the individual elements to the obstacles.
The second, equally important issue is that the insulation layer allows for a significant reduction in potential heat losses. This ensures optimum installation efficiency, which in reality translates into minimizing heating costs. The Tubolit pipe also has an appropriate fire classification certificate, allowing for assessing the product's safety level. These parameters characterize only the behavior of the selected material if it were exposed to fire. The solutions available in our offer additionally have an NRO certificate, indicating the degree of non-spreading of fire.
For those looking for other pipe diameters, solutions have been prepared, such as the Armacell Tubolit split SE ½” copper pipe . Its diameter is 12.7 mm and the wall thickness is 1 mm. The product is available in a roll, with a total length of 50 m. It is perfect for connecting the external and internal heat pump unit, in Split and Multisplit devices. The seamless copper pipe has the appropriate certificates confirming its quality and compliance with applicable standards.