Currently, HVAC professionals and technicians are the ones who are most knowledgeable about good heat pumps. They have the expertise and experience to assess the specific heating and cooling needs of a space and recommend the most suitable heat pump system. Additionally, manufacturers and suppliers of heat pumps also have in-depth knowledge about the latest and most efficient models available in the market. It's important to consult with these professionals to ensure that you are getting the best heat pump for your specific requirements. **

People experiencing creaking heating pipes can find advice on how to address the issue by searching online for video tutorials. Websites like YouTube often have helpful videos demonstrating how to fix creaking pipes, which can provide step-by-step guidance on troubleshooting and resolving the problem. Additionally, reaching out to professional plumbers or HVAC technicians for advice and assistance can also be beneficial in addressing creaking heating pipes effectively. **

A professional plumber or HVAC technician would be the best person to consult for fixing creaking heating pipes. They have the expertise and experience to diagnose the issue and provide the necessary repairs. Additionally, there are many instructional videos available online that can guide homeowners through the process of fixing creaking heating pipes, but it is always recommended to seek professional help if unsure. **

The answer to this question may vary depending on the context. In general, the person who knows is typically the individual who has the relevant information or knowledge about the topic being discussed. This could be a specific person, a group of people, or even a source of information such as a book or a website. Ultimately, the answer to "Who knows?" depends on the specific situation and the information being sought. **

It is difficult to determine who knows the answer to a question without more context. It could be someone with expertise in the subject matter, a person who has experienced a similar situation, or even just a lucky guess. Ultimately, the answer to "Who knows?" depends on the specific question being asked and the individuals involved. **

The valves on heating pipes are typically ball valves or gate valves. Ball valves have a spherical disc inside that controls the flow of water by rotating the handle, while gate valves have a gate or wedge that moves up and down to control the flow. Both types of valves are used to regulate the flow of hot water through the heating system and can be manually operated to adjust the temperature or shut off the flow completely. **

Neverwinter is a well-known city in the Forgotten Realms universe, a popular setting for Dungeons & Dragons campaigns. Fans of fantasy literature, role-playing games, and video games are likely to be familiar with Neverwinter. Additionally, players of the MMORPG Neverwinter, developed by Cryptic Studios, would also have knowledge of the city and its lore. **

Movie critics, film scholars, and avid movie enthusiasts are the ones who typically know a lot about movies. These individuals often have a deep understanding of film history, genres, techniques, and trends, allowing them to analyze and critique movies in a knowledgeable way. They may also have experience working in the film industry or studying film academically, further enhancing their expertise in the subject. **