Converting from oil boiler hot water baseboard heating
Jess Kirchner
6 years ago
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mtvhike
6 years agoRelated Discussions
Hot Water Heat, convert baseboards to radiators?
Comments (2)Converting baseboard to radiators should not be difficult especially if the house orginally had radiators. Old cast iron radiators can be put back in service even if they have been sitting idle for a long time. I agree radiant hot water heating is the most comfortable. However variable speed furnaces have come a long way in increasing comfort. Since you are already going through the expense of adding duct work for the AC, and you dislike the ugly baseboard, then consider integrating a furnace. You can get an electronic air cleaner if you have allergy problems. There are thermostats which will turn on the furnace blower to circulate and filter the air at very low speeds....See Morereplacing gravity fed hot water heat boiler
Comments (6)There are any number of good brand name boilers out there. Find out what your local contractor carries and make sure he services afterwood. Your old system has only a few components, whereas the new one comes with all kinds of safety controls and electronic parts. You will find installation is one thing and service is another. Generally people think of plumbers instead of heating conractors when it comes to boilers. Any plumber will install but they're not much on service. It may be down the road condidering the boiler is new but you never know. As far as boilers go anything you get will probably cut you bill in half. Being an 80 yr. old unit it must have been a conversion job which is very inefficient to begin with and second the water content in your new boiler will probably be about 14 gal. compared to maybe 50 or so in your one. Just the heating time of the wter and delivery to the heating units will be a big savings. Rember your old boiler was made for wood or coal, the new packaged boiler was made for gas. Depenking where you live you might have to get the chimney lined also to match the size of the vent pipe on the boiler. Just something to think about when pricing....See MoreWant to replace a hot water baseboard heat register
Comments (5)Okay, finally I have success! I'll detail what I did as it might save someone a lot of headache. First off, hot water pipes are thinner than cold water. I think cold water is type M and hot is type L or vice versa. No matter how many times I look that up, I still forget! Anyway, I got pretty good at cutting the thick one but was having MAJOR difficulty cutting the thin one. To make a long story short, I had to use a hand held key saw. Annoying, slow but that worked. Next, stick bread in the lines on both sides to block the water. You think you get all of the water out of the line, but you don't. With water in the line, soldering will be impossible. You'll have to heat the joints three times as long and the solders won't be good. I had leaks by not following this. A step which I knew but still didn't do. Stupid on my part. Okay, no more leaks. Now, I'm supposed to bleed the lines. Although my house was built in the 1930s, we added a large addition and the house is pretty new, including the heating system. It seems that the plumbers are no longer putting bleeders on the line. Mine don't have any. No problem. I should just open up point 1 in pic 2, and the valve on point 9, pic 1 (which you can't see) then open the garden house valve on line 1, pic 2. When the water flows out smoothly with no sputtering, the air is out, right? Well yes, but things just weren't working that way. I did everything I just said and water came out. Within 10 seconds, however, all the water came out and it just dried up! Uh, is that supposed to happen? Confused, I shut the line and waited about 30 minutes while I did other things. I came back and tried again. Same results!!! I had about enough of this plumbing project. Looks like it won and I lost. After about 10 successful projects, I was going to have to call in a plumber. I tried getting the job taken care of with my normal service contract, convinced that it was just a lack of knowledge on my part. I was told that since it was the weekend and they weren't sure the project fell under my normal service agreement, they might have to bill me...at the more expensive weekend rate...of $165 per hour!!! I quickly told the lady I'd figure it out myself. Searching this site, I found the answer. I did everything right except one thing. You have to continually add water to the line so that it keeps flushing the air out. You do that by flipping the little handle on point 5, pic 2. That automatically ensures that the pressure in the baseboards remains at the setting on the reducer by adding water when need be. However, if you open it manually, it will just let the water flow (also pushing the air out with it). If there's air in the line, the pipes aren't going to get hot, so you've gotta get the air out. With each bucket of water I let flow through, more of the line got hot. Three buckets of water later, the water was flowing smoothly and I had heat! Note that by me doing what I did, I introduced air into another zone, so I had to repeat the process for that zone as well. No biggie. Three more buckets later, that zone was working again! Now I don't know if there's a way to work on one zone while not affecting the others. I'll have to examine what I did a little and see if there's a sensible way of doing it. Anyway, hopefully this helps someone....See MoreAnyone Convert from Hot Air Heating to Hot Water or Steam Heat?
Comments (29)You've probably never been in a home with properly sized ductwork. Don't feel bad, it's estimated that as much as 3/4 of the heating and cooling systems in the US are oversized. 2 stage and modulating furnaces are better, but I've lived in a home with both, and both can be very comfortable and the single stage equipment doesn't make it feel more dry that I can tell. BUt you are correct, multistage cna reduce the sense of dryness you might get with a less than ideal system. THe RH of hot air is lower than cooler air, but cool air can make things feel drafty. That's why radiant heat is popular. You essentially have very, very low air velocities and much of the heat energy is indirect infrared heat which make you feel warmer, similar to direct sunlight. Keep in mind too, that unless you have an outdoor rest control for hte boiler or to sped up or slow the circulator, most hydronic air handlers are single stage for heating. So the heat is no different than a furnace. Worse, as you reduce BTU's to the coil, the airflow speed is usually ocnstant, so air temps get cooler. My point being, that a properly designed and installed furnace won;t make it feel dry even if single stage. But yes, oversized furnaces and those with restricted airflow can. Vairble capacity will always make the system more comfortable, but it will cost more. Radiant heat overall is superior, but the installed cost is much, much higher. That's why it fell out of favor. Same reason drywall took over the market and plaster disapeared. ITs' primarily a matter of cost. It's also why stone and brick homes aren't built anymore and concrete homes are the minority....See Moremtvhike
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