r/hvacadvice is a subreddit with 276k members. The most common kinds of discussions are advice requests and pain & anger, and the community frequently discusses looking for, hvac, heat pump, ac, and struggling, 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
Advice Requests
: "4 Bids on a full system replacement. Help me decide and not get distracted by the noise."
3 posts
#2
Pain & Anger
: "Company said that I need a new A/C without even looking at it...?!"
2 posts
#3
Solution Requests
: "Drain pan is pooling to one corner and missing the drain. How do I fix this?"
1 post
Popular Topics in r/hvacadvice
#1
Looking For
18 posts
#2
Hvac
6 posts
#3
Heat Pump
: "Will a Heat Pump help cool/heat my 800 sq ft apartment?"
5 posts
#4
Ac
5 posts
#5
Struggling
5 posts
#6
Replacement
4 posts
#7
Cooling
3 posts
#8
Ac Blowing Air
2 posts
#9
Hvac System
2 posts
#10
Mini Split
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
: "“38½ Years Old and Still Blowing Cold — They Don’t Make ’Em Like This Anymore!” 😎❄️"
30 posts
#2
General
: "Look At This Ridiculous AI Scam-Ad I Saw On Facebook lol"
17 posts
#3
Thermostat
: "C wire No power"
9 posts
#4
No cooling
: "Can someone please help me"
5 posts
#5
Quotes
: "HVAC has a leak. Called for repair and was told they’re unable to work on it because of the tight space"
4 posts
#6
Furnace
: "Do I need to change the box ? Advice appreciated"
4 posts
#7
Water Heater
: "Replaced this heating element today 😦a"
3 posts
#8
Heat Pump
: "My Goodman experience, not great"
3 posts
#9
Filters
: "Best material to replace the insulation around the filters?"
1 post
Member Growth in r/hvacadvice
Yearly
+85k members(44.2%)
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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 12, 2026