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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.
87.6K discussions
610.4K comments
Most recent: Question about Erie zone valve by EdTheHeaterMan
2:34AM
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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
25.3K comments
Most recent: I should replace this AC system, right? by pedmec
May 2
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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.
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Expand for more options.
5.9K discussions
57.3K comments
Most recent: Commercial Kitchen / Community Center DHW Design — Indirect vs Tankless vs TurboMax by mattmia2
1:56AM
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Expand for more options.This exciting field is really taking off. Share your thoughts and ask questions here.
120 discussions
1.2K comments
Most recent: Pump selection for GeoCool 4 ton inverter heat pump by skyking1
May 2
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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.
169 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.
3.8K discussions
39.4K comments
Most recent: Heating and cooling different zones at same time with boiler and heat pump by hot_rod
1:52AM
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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
66.4K comments
Most recent: Can this Williamson boiler be saved or should it be replaced? by pecmsg
May 3
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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
182.6K comments
Most recent: Steam for Brewing & Distilling vs. Steam for Comfort Heating by EdTheHeaterMan
May 3
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Expand for more options.Got questions that are specific to thermostats and controls? Ask them here.
3.5K discussions
18.5K comments
Most recent: Need some advice on wiring boiler zone valves by Crispy
May 2
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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!
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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
301 comments
Most recent: Job Opportunity in NYC: Maintenance Engineer at Morgan Library & Museum by Mad Dog_2
February 25