r/hvacadvice is a subreddit with 270k members. The community frequently discusses looking for, worst, furnace, mini split, and ac, and they frequently recommend/review smart thermostat, thermostat, and hvac, and the most common flair used is ac, general, heat pump, thermostat, and furnace.
A place for homeowners, renters, tenants, business owners or anyone with a general question about their HVAC system.
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Popular Topics in r/hvacadvice
#1
Looking For
18 posts
#2
Worst
10 posts
#3
Furnace
7 posts
#4
Mini Split
6 posts
#5
Ac
6 posts
#6
Hvac
: "Hvac struggling on potential purchase"
6 posts
#7
Cooling
4 posts
#8
Replacement
4 posts
#9
Heat Pump
4 posts
#10
Struggling
: "HVAC Struggling on potential purchase"
4 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
: "Landlord built a DIY fence around the AC unit and now it doesn’t work"
32 posts
#2
General
: "Navac Digital gauges giving me -30 inHg on both screens."
19 posts
#3
Heat Pump
: "Heat Pump and Ecobee concerns"
4 posts
#4
Thermostat
: "Figuring out wires for smart thermostat"
3 posts
#5
Furnace
: "New home, appears that my air exchange was not set up correctly?"
3 posts
#6
Electrical
: "California/enclosed room with little air circulation: Issue with compressor in industrial-sized Traulsen freezers, plus a question of how to ease these issues."
3 posts
#7
Quotes
: "Is this a good deal?"
2 posts
#8
No cooling
: "Which one is the drain pipe and how to see if its clogged?"
2 posts
#9
Water Heater
: "Odd plasticky/chemical smell from new water heater?"
1 post
#10
Boiler
: "Leaks when boiler off"
1 post
Member Growth in r/hvacadvice
Yearly
+82k members(43.6%)
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About
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Last updated: August 23, 2026