/r/hvacadvice/

r/hvacadvice

296k members
r/hvacadvice is a subreddit with 296k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses looking for, hvac, struggling, replacement, 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. Please read rules before posting!

Popular Themes in r/hvacadvice

#1
Advice Requests
: "Orion services group just bought the company I work for. Any guys experiences this?"
13 posts
#2
Solution Requests
: "Humidity Issues and possible solutions"
2 posts

Popular Topics in r/hvacadvice

#1

Looking For

17 posts
#2

Hvac

16 posts
#3

Struggling

6 posts
#4

Replacement

5 posts
#5

Ac

4 posts
#6

Thermostat

3 posts
#7

Heat Pump

3 posts
#8

Hvac System

2 posts
#9

Mini Split

2 posts
#10

Furnace

2 posts

Products Discussed in r/hvacadvice

#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
: "Is it worth calling them back?"
9 posts
#2
General
: "Help! respiratory issues linked to hvac?"
9 posts
#3
Boiler
: "Failed circulator on older oil boiler"
4 posts
#4
Heat Pump
: "Got a mini split system for the first time. Is a slight "rustling" from a 12,000 BTU (only in cool mode) normal?"
3 posts
#5
Furnace
: "Was told my furnace is unsafe to run. 30 year old Lennox Pulse 21 installed in 1997. Seems to work fine to heat the house. Asked if he could share his photos with me and this is what he sent. Any thoughts?"
3 posts
#6
Thermostat
: "My ac won’t shut off after hitting temp driving me insane .. help"
2 posts
#7
No cooling
: "Please help"
1 post
#8
Filters
: "Filter airflow arrow on box printed wrong?"
1 post
#9
Electrical
: "Garage heater install - Reznor UDXC 45,000 BTU"
1 post
#10
Water Heater
: "Questionable water heater"
1 post

Member Growth in r/hvacadvice

Yearly
+102k members(52.6%)

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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: October 1, 2026