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r/hvacadvice

122,851 subscribers
A place for homeowners, renters, tenants, business owners or anyone with a general question about their HVAC system.

Please read rules before posting!

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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Thermostat Heat Pump AC Furnace Boiler No cooling Quotes No heat Electrical General Water Heater Approved Technician Filters Pro Help
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to r/hvacadvice by hiyaohya
1 day ago
System runs and shuts off
to r/hvacadvice by allen338
2 days ago
My Trunk Duct is Leaking!!
to r/hvacadvice by throwaway244897
3 days ago
Preview thumbnail for What is in my duct. image
What is in my duct.
to r/hvacadvice by saledude
4 days ago
Preview thumbnail for Air exchanger drain issue image
Air exchanger drain issue
Heat Pump
to r/hvacadvice by Misterchronic
3 days ago
Baseboard heater blowing thermostat
to r/hvacadvice by Pleasant_Brother4487
1 day ago
Preview thumbnail for 2 commercial Roof mounted combo unit P trap installed sideways? Any reason? Likelyhood of causing condensate moisture to be forced though the system into registers? image
2 commercial Roof mounted combo unit P trap installed sideways? Any reason? Likelyhood of causing condensate moisture to be forced though the system into registers?
to r/hvacadvice by DescriptionFew7989
1 week ago
My HVAC company told me that I’ll get a single nine minute shower if I switch to a heat pump water heater. Looking for second opinions.
to r/hvacadvice by UpwitDopeDownwitNope
1 week ago
luxaire furnace no heat
No heat
to r/hvacadvice by zigzoomba
2 weeks ago
Eastern NC crawlspace HVAC duct replacement
in North Carolina
to r/hvacadvice by jandrej2411
3 weeks ago
Post MilitaryJob Hunting
to r/hvacadvice by Sgt_fuckit
4 weeks ago
Honeywell water heater pilot won’t light
to r/hvacadvice by Odd_Theory4945
2 weeks ago
Preview thumbnail for Honeywell Smart Color image
Honeywell Smart Color
to r/hvacadvice by KingScorpio2021
3 weeks ago
Preview thumbnail for Outdoor unit wiring help image
Outdoor unit wiring help
to r/hvacadvice by Simple_Piece190
1 month ago
ICP N95ESN0401410A1 Main blower acting funky. Board or electrical failure in motor or capacitor? How to diag which? or... help in general
to r/hvacadvice by Dear-You5548
1 month ago
The furnace tech said, “this is fine.” Second opinion?
Furnace
to r/hvacadvice by DrewDiggler
3 weeks ago
Is there any way to identify if an additional duct/vent was added to my home’s system in the past, before I purchased it?
to r/hvacadvice by sisterempress
1 week ago
Preview thumbnail for Need help asap! Oil heater not working. image
Need help asap! Oil heater not working.
to r/hvacadvice by MarceloWallace
2 weeks ago
What’s this noise
to r/hvacadvice by Klutzy-Efficiency323
1 month ago
Bad Compressor on Heat Pump - Replace or Repair?
Heat Pump
to r/hvacadvice by yahtisisit20
1 month ago
Potentially Undersized Unit
to r/hvacadvice by WiscoMinn69420
1 month ago
Preview thumbnail for Does polarity matter when hooking up these zone control valves to a boiler system? image
Does polarity matter when hooking up these zone control valves to a boiler system?
Boiler
to r/hvacadvice by Prestigious-Jelly-80
4 weeks ago
Furnace capacity
to r/hvacadvice by WiscoMinn69420
1 month ago
Preview thumbnail for Replacing Honeywell V80431012 Zone Controller Motor, need assistance with wiring please? image
Replacing Honeywell V80431012 Zone Controller Motor, need assistance with wiring please?
Boiler
to r/hvacadvice by SFNY2024
1 month ago
Mismatched Compressor and Inside Unit - FL repair company says can’t do it.
General
in Florida
to r/hvacadvice by Green-Freedom9739
1 month ago
Preview thumbnail for Amana 90 furnace image
Amana 90 furnace
Furnace