Comment posted Our Boiler That Heats Our House, Also Heats Our Hot Water Should We Have A Seperate Hot Water Heater Installed by lordshai.

if your boiler is not high efficiency i would recommend chaning the boiler, and keeping the boiler provided hot water

lordshai also commented

• Your system is designed for dual purpose heating. By setting the correct maximun temperature on the hot water side you can save money whether it is winter or summer.
• That system is getting to be more common and works quite well. No need for a separate hot water heater, unless you have money to burn.
• I would leave it the way it is. I grew up in a house with the same setup and loved it. The boiler can replace the hot water faster than any hot water heater( with the exception on the new tank less ones).
• No, the combined unit is becoming the most common in new installs. It’s usually a high-efficency unit too (PVC vent).
  The boiler will only run when either heat or hot water tank demands it and the zone valves will control where the energy is delivered.
• It might. Depends on how old the boiler is, how big it is, and how efficient it is. MOF, since, with a seperate water heater, you can turn the boiler off during the warm months. This alone may well justify the cost of installing one.
  A lot depends on what kind of energy you’e using for the boiler, and where you are. Right now, in the Pacific Northwest, electricity is actually cheaper for heating than gas is! Go figure…
  I’d do an analysis: Turn everything off and run the hot water out of the tank. Record the reading on the meter. Run the boiler to heat the house, and record the meter reading again. Turn off the heat, run out the hot water again, repeat recordings. Compare the two. if it costs almost as much as, or even as little as a third as, much to heat the water as it does to heat the water and the house, I’d have to say, probably a good idea.

Recent comments by lordshai

• Water Heater Issues……..can U Help?
  My first question is, what type heater do you have, gas or electric? Is this the first time you have ever drained the tank? What type of pipes are in your house? Do you have a filter upstream of the heater? Calcium is a byproduct of heating water. The minerals in water settle at the bottom, and should be drained out about 4 times a year. Whether you have gas, electric, tank or tankless, calcium is still a problem. If you are considering a switch from a tank type heater, to a tankless unit, make sure you read, and UNDERSTAND ALL THE MANUFACTURERS RECOMENDATIONS, because if you don’t comply with their instructions, you can possibly do some serious damage to the heater, and your house. The gas models especially need to be installed exactly as the manufacturer says, or damage to the unit, or even a fire can be caused, due to the increased amount of gas required, and the flue pipe needing to be replaced. It isn’t just a simple swap out, as some people think. I have removed more units than I have installed, because after researching the problem, all the units I removed, had been installed, without regard for the manufacturers recommendations. Most of the time it is an undersized gasline, but sometimes the flue pipe was not changed out, and after pricing the suggested flue pipe, the customers went back to a tank model. If you are thinking of this option, call a professional, and make sure he has done this type of installation, before letting him or her do the job. Good luck to you!
• Water Heater Issues……..can U Help?
  If it’s clogged with sediment then maybe most of your tank is and it’s just eating the electricity to keep the sediment hot get a new water heater
• Water Heater Issues……..can U Help?
  Based on the description of the problem and if the unit itself is older I would consider a replacement. If you look at all the sludge in the bottom that is accumulated you must keep in mind that stuff is coming out in your water when you shower, wash bathe etc. Also they are find now that in tank models bacteria such as Legionaires Disease and others can thrive in a dirty tank that sits for long periods. Not Good!
  I have a tankless water heater in my home and it is the best thing ever. It provides endless hot water so you can shower all day if you want and it never runs out. My electric bill went down about 35 dollars a month also as it only turns on when you activate hot water. A tank model turns off and on all day even if you don’t use it. The water is also safer as I indicated as it is not stored and heats as you need it.
  I did a lot of research and the largest selling unit and one that I use is the Titan Tankless N-120 Water Heater. They invented it and have been in business 20 years.
  All of the information on the unit and helpful things to help you decide are on their site at http://www.titantankless.com
  Please be careful about gas models as they are DANGEROUS!
  I would stick with electric.
• Water Heater Issues……..can U Help?
  Replace the hot water heater, it’s done. There’s 3 to 4 inches
  built up on the burner plate, if you did clean it off the steel has been sacrificed.
  So how’s your harvick 29 car doing, yea mark martin is washed, NOT.
• Replacing Element In Electric Water Heater.?
  BUT is the wire feeding the htr lg enuf to handle the larger load????????????????????

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