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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.
87.7K discussions
611.5K comments
Most recent: Viessmann Vitodens 100-W: Radial Fan Air Intake Port Deteriorating / Wearing by kcopp
12:06PM
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Expand for more options.Got questions about A/C, Heat Pumps and Refrigeration? Ask and ye shall receive.
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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.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
19.2K comments
Most recent: Is this a common piping configuration by EastonM
June 19
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Expand for more options.This exciting field is really taking off. Share your thoughts and ask questions here.
121 discussions
1.2K comments
Most recent: How can I use 90 F degree water to heat my new house? by Alan (California Radiant) Forbes
May 22
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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.
170 discussions
1.4K comments
Most recent: Bryant 987M with all Evolution components. Is there a 24v or 120v "fan on" output for airscrubber? by ratio
April 25
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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?
79 discussions
837 comments
Most recent: Mitigating extreme water hammer spikes in high-head plumbing loops? by HeatingHelp.com
June 1
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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
66.6K comments
Most recent: Condensing Boiler and Outdoor Reset for Radiant Floor by Hot_water_fan
June 20
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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.
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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.
16K discussions
183.2K comments
Most recent: Taco needs to create an animation of how the 570 series zone valve works. by 109A_5
4:46AM
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Expand for more options.Got questions that are specific to thermostats and controls? Ask them here.
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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!
705 discussions
2K comments
Most recent: Weil McLain boiler gaskets, rope and caulk by echosair
June 5
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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.
51 discussions
302 comments
Most recent: Job Opportunity in NYC: Maintenance Engineer at Morgan Library & Museum by Mad Dog_2
February 25