r/hvacadvice is a subreddit with 294k members. The most common kinds of discussions are pain & anger and solution requests, and the community frequently discusses looking for, hvac, replacement, furnace, and ac, and they frequently recommend/review smart thermostat, thermostat, and hvac.
A place for homeowners, renters, tenants, business owners or anyone with a general question about their HVAC system.
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Popular Themes in r/hvacadvice
#1
Pain & Anger
: "Is my compressor cooked?"
24 posts
#2
Solution Requests
: "best air purifier for pets"
22 posts
#3
Advice Requests
: "Mold all around HVAc closet walls and the machine is magik pak, if a risk mold is in the machine? What should I ask landlord to do regarding this?"
21 posts
#4
Money Talk
: "Is this a decent price for British Columbia (Vancouver)?"
2 posts
#5
Self-Promotion
: "Fixed my ac"
1 post
Popular Topics in r/hvacadvice
#1
Looking For
18 posts
#2
Hvac
6 posts
#3
Replacement
4 posts
#4
Furnace
: "New gas Furnace recommendations"
4 posts
#5
Ac
4 posts
#6
Struggling
4 posts
#7
Heat Pump
3 posts
#8
Hvac System
2 posts
#9
Mini Split
2 posts
#10
Ac Struggling
2 posts
Products Discussed in r/hvacadvice
Smart Thermostat
79 reviews
#1
Ecobee
4.4★ from 34 reviews
#2
Honeywell
3.8★ from 20 reviews
#3
Nest
3.4★ from 10 reviews
Thermostat
46 reviews
#1
Ecobee
4.4★ from 18 reviews
#2
Honeywell
4.2★ from 17 reviews
#3
Thermostat
1.0★ from 1 review
Hvac
15 reviews
#1
Ecobee
3.7★ from 3 reviews
#2
Trane
3.7★ from 3 reviews
#3
Honeywell
3.0★ from 2 reviews
Flair Used in r/hvacadvice
#1
AC
: "Discoloration around some vents"
22 posts
#2
General
: "I think some of you might find this interesting."
15 posts
#3
Heat Pump
: "Heat pump suddenly has no power"
6 posts
#4
No cooling
: "No cooling..."
6 posts
#5
Furnace
: "Gas Furnace Inducer Slow Spin and Weird Noise"
5 posts
#6
Quotes
: "Is $1.3k a crazy price to blow out 3 drain lines?"
3 posts
#7
Water Heater
: "Is a Combi Boiler worth it?"
3 posts
#8
Thermostat
: "How do i set the date and time on this thermostat?"
1 post
#9
No heat
: "Duct Potential Removal Advice"
1 post
Member Growth in r/hvacadvice
Yearly
+101k members(52.7%)
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About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/hvacadvice, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: September 20, 2026