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Heating Help: The Wall
The #1 Online Resource for HVAC Answers. Ask and answer questions about HVAC systems, both old and new.
Category List
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Expand for more options.Got a general heating question, or a comment to make? Just want to chat with friends? This is the place.
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Expand for more options.Got questions about A/C, Heat Pumps and Refrigeration? Ask and ye shall receive.
3.3K discussions
25.2K comments
Most recent: Questions regarding ERV retrofit installation by Kaos
2:38PM
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Expand for more options.Are you heating with an alternative fuel such as wood? This is the place to be.
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Expand for more options.Every flame produces carbon monoxide. You can never be too vigilant.
429 discussions
1.8K comments
Most recent: "Carbon Dioxide/Monoxide Explosion" in Baltimore by pecmsg
March 10
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Expand for more options.
124 discussions
1.5K comments
Most recent: existing flue tile and cutting into them by Mail4tommo
March 11
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Expand for more options.Industry expert Larry Weingarten is here to help answer your domestic hot water questions. Ask for help or share what you know here. To learn even more, purchase Larry's Water Heater Workbook and visit his website.
2.2K discussions
19K comments
Most recent: New Yorker boiler overfilling, making noise and leaking by Jamie Hall
March 28
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Expand for more options.This exciting field is really taking off. Share your thoughts and ask questions here.
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Expand for more options.Got questions about indoor-air quality? Bill Wolfe is an expert on this topic and he's here for you.
168 discussions
1.4K comments
Most recent: Cost to install Aprilaire 865 whole house steam humidifier with fanpack by pecmsg
February 21
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Expand for more options.
3.8K discussions
39.2K comments
Most recent: changing Indirect H/W Boiler to Cold start by Robert_H
8:38PM
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Expand for more options.Are you having problems with pipes deteriorating? We've seen this problem occur often, particularly with pinhole leaks in copper pipes. Please share your experiences here. What have you learned?
78 discussions
828 comments
Most recent: Steam pipe leak under pressure in the big storm ha ha by ethicalpaul
January 27
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Expand for more options.Sure, we're a heating site, but a lot of great plumbers also hang out here. Got questions or thoughts to share? Do it here.
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Expand for more options.This is the place to ask questions (or answer them) that are specifically about radiant heating systems of all types, sizes and flavors.
6.6K discussions
66.3K comments
Most recent: Is a small water heater an acceptable solution for extra heat on a heat pump system? by skyking1
6:10PM
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Expand for more options.Solar is getting hot! Got a question about it, or want to share what you know? This is the place.
394 discussions
3.7K comments
Most recent: I'm getting solar panels. I'll let you know how it goes in this discussion thread. by ethicalpaul
December 2025
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Expand for more options.Interested in steam heating systems, old and new? Here's a place to focus on just that.
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Expand for more options.Got questions that are specific to thermostats and controls? Ask them here.
3.5K discussions
18.4K comments
Most recent: Taco SR506 to Hydrostat 3250 Plus Constant Heat Call by HVACNUT
1:00AM
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Expand for more options.Got something you don't need and would like to sell? Get together with other Wallies here and make your own deals. (Please, no corporate advertising here.) And, as a courtesy to our community, when your item has sold, please post that it is no longer available so that we can close the discussion. Thank you!
701 discussions
1.9K comments
Most recent: Looking to buy a Buderus 53gallon LT-200 Indirect fired water heater 9-200LT. by zarbo
March 7
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Expand for more options.This is a gathering spot for announcements about educational opportunities in our industry. Feel free to add posts about upcoming classes. Thank you.
51 discussions
213 comments
Most recent: Webinar: The RF Liquid Heating Fuels Burner by HeatingHelp.com
March 23
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Expand for more options.If you're looking for good people, feel free to post your opportunities here.
50 discussions
301 comments
Most recent: Job Opportunity in NYC: Maintenance Engineer at Morgan Library & Museum by Mad Dog_2
February 25