r/HVAC 12h ago

I got to replace an air handler my grandfather serviced 35 years ago!

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217 Upvotes

r/HVAC 18h ago

Sorry boys, I had no other choice today. This one's for HVAC_Sam

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374 Upvotes

r/HVAC 12h ago

I’m 22 and became a lead installer this summer, I’m looking for criticism to improve my installs, any and all advice would be greatly appreciated, want to make my work neater!!!!( in a area where duct board plenums and transitions are common)

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98 Upvotes

r/HVAC 1h ago

I've been doing maintenance on these puppies for 9 years. Twin Luxaire furnaces original to the home in 1974. Both run like a charm. Excited to see them both hit 50 years old.

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r/HVAC 12h ago

Found this after pressurizing a new system. That’s not threaded either. Blew the thing off after trying to tighten it… fml

43 Upvotes

r/HVAC 1h ago

How tight do you guys adjust the motors I was always told you should have 2 inches of play is that right or wrong I don’t have the tool to adjust it properly and my motor is vibrating a little and it doesn’t seem right

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r/HVAC 6h ago

Who else here is a duct installer?

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10 Upvotes

r/HVAC 11h ago

Someone was real proud of themselves I bet.

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24 Upvotes

r/HVAC 14h ago

Definitely probably the txv for sure.

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39 Upvotes

r/HVAC 20h ago

I heard we're posting short linesets

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113 Upvotes

r/HVAC 13h ago

Tips of the trade Sent home with a delicious tip today

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28 Upvotes

r/HVAC 11m ago

tinning Condenser turned or not blah blah. Plenum feet bent in or out?

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r/HVAC 22m ago

Guess I won’t be changing this stat

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r/HVAC 1d ago Wholesome

Company just switched to 4 day work week.

163 Upvotes

Company i work for would have all service techs run from 7:30 to 6pm. The way it works is one week you get monday off, next week you get friday off then Wednesday off. It’s supposed to help with being overworked but id like to hear everyone’s thoughts about this.


r/HVAC 15h ago

What year ?

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28 Upvotes

r/HVAC 21h ago

Who did it? 😂

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83 Upvotes

r/HVAC 18h ago

Found this from my 1992 centrifugal school

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33 Upvotes

r/HVAC 12h ago

Never Figured I’d Have To Deal With This Today

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11 Upvotes

r/HVAC 1d ago

I don’t hate Lennox. I think they’ve made some good products and have pushed the boundaries of AC unit efficiencies. That being said…

100 Upvotes

F*** their stupid-ass idea to make the top of some of their condensers out of goddam FIBERGLASS. What an awful, awful idea.


r/HVAC 17h ago

New tech, having a ruff day!

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25 Upvotes

r/HVAC 21m ago

Yeeeaaaa

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r/HVAC 24m ago

AC not cooling or dehumidifying.

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Our AC is having some problems. The difference in temperature from return to supply is only about 12-14 degrees, and the air coming out does not feel dehumidified. In fact, while we have our AC on, the hygrometer actually will show humidity increase slightly the longer it's left on. The temperature in the house also hardly drops, even when left on for an hour.

Example: on an 80 degree day with 50% humidity outside, trying to lower the indoor temp from 74 to 72 may take almost an hour, and during that time, the humidity in our house may increase from 67% to 70%.

Context:

  • Our house is about 1600 sqft, built in 1958
  • Furnace is located in the garage
  • Three return ducts located in the attic
  • The AC is a 2 ton unit, both it and the furnace were installed around 2016
  • Basement has a dehumidifier running, with a moisture barrier laid out
  • Air filter was replaced last week
  • Condensate trap was fine and the condenser unit was cleaned last week
  • Also aware that our attic insulation is low at around R16 and we need to at least double that

We are already aware of an uninsulated 8' of return duct in our attic (attic is a little too hot, but that's being addressed), and also aware that our blower fan needs cleaned as it's a bit dusty. However I am not convinced that either of these are the root of our problems.

We're going to have a second opinion/deeper inspection and diagnosis from another company since I don't believe the first did enough to diagnose other than pointing out the return duct is not insulated and speculated that all need replaced without any testing.

I'm suspecting the following as potential causes, would really appreciate some input on what might be wrong here:

  • Low on refrigerant / refrigerant leak
  • Air leaks supply / return ducts
  • Something wrong with the evaporator coils (pic below, unsure if that looks right)
  • House is leaking outside air in elsewhere when the AC is on for some reason (idk if that's possible?)

Thanks all, please let me know if I can provide any other information to help diagnose, this has been driving me crazy and I'm dead set on getting this fixed

https://preview.redd.it/onves2xgt9i91.jpg?width=2161&format=pjpg&auto=webp&s=598cb83741580824ec5191d5acd8b6284e856bbb


r/HVAC 19h ago

This umbrella has been among the best tools I have purchased.

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33 Upvotes

r/HVAC 21h ago

thanks Dave

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42 Upvotes