Author Topic: HVAC (heating and AC) question  (Read 10802 times)

Offline Yammer

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Re: HVAC (heating and AC) question
« Reply #90 on: July 26, 2018, 02:16:20 AM »
Should just be a service call, no? Any parts needed?
Yes some kind of "cap" between the fan and the compressor.

Offline ChaimMoskowitz

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Re: HVAC (heating and AC) question
« Reply #91 on: July 26, 2018, 08:43:06 AM »
Yes some kind of "cap" between the fan and the compressor.
Start/run capacitor?
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Offline Yammer

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Re: HVAC (heating and AC) question
« Reply #92 on: July 26, 2018, 04:24:18 PM »
Start/run capacitor?
Not sure...wife was home

Offline elazarmn

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Re: HVAC (heating and AC) question
« Reply #93 on: July 26, 2018, 10:29:50 PM »
Anyone know of HVAC companies looking to hire?

Offline Yammer

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Re: HVAC (heating and AC) question
« Reply #94 on: July 26, 2018, 10:35:23 PM »
Anyone know of HVAC companies looking to hire?
Try the employment thread

Offline Yammer

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Re: HVAC (heating and AC) question
« Reply #95 on: July 26, 2018, 10:35:39 PM »
Anyone know of HVAC companies looking to hire?
Try the employment thread

Offline Meno

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Re: HVAC (heating and AC) question
« Reply #96 on: August 08, 2018, 02:24:48 PM »
The A/C unit in my house is really old and doesn't work well. Works OK for downstairs, but upstairs get basically nothing. I would like to just get window units for upstairs and completely close off the rectangular ducts leading upstairs. It seems like I would need some type of damper to put into the ducts.

Does anyone know a simple, inexpensive way to do this? I'm pretty handy, so I could probably do it myself. Just wanted to know if anyone has any experience.

Offline somefield

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Re: HVAC (heating and AC) question
« Reply #97 on: August 08, 2018, 05:42:20 PM »
The A/C unit in my house is really old and doesn't work well. Works OK for downstairs, but upstairs get basically nothing. I would like to just get window units for upstairs and completely close off the rectangular ducts leading upstairs. It seems like I would need some type of damper to put into the ducts.

Does anyone know a simple, inexpensive way to do this? I'm pretty handy, so I could probably do it myself. Just wanted to know if anyone has any experience.
Arzel has some inexpensive manual dampers that are retrofit friendly. They're available from Johnstone supply.

Offline ChaimMoskowitz

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Re: HVAC (heating and AC) question
« Reply #98 on: August 08, 2018, 07:13:21 PM »
The A/C unit in my house is really old and doesn't work well. Works OK for downstairs, but upstairs get basically nothing. I would like to just get window units for upstairs and completely close off the rectangular ducts leading upstairs. It seems like I would need some type of damper to put into the ducts.

Does anyone know a simple, inexpensive way to do this? I'm pretty handy, so I could probably do it myself. Just wanted to know if anyone has any experience.
If it is working for downstairs do you really need to block off the upstairs?
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Online moko

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Re: HVAC (heating and AC) question
« Reply #99 on: August 08, 2018, 07:51:51 PM »
2.5 Ton unit recently started tripping the circuit breaker. 2 HVAC guys diagnosed it as the compressor beginning to fail and therefore causing a power surge. One said I need to replace the entire unit including the air handler in the attic because the model is not made anymore and replacing just the compressor on the condenser unit is that worth it because soon I'll have to replace the whole condenser unit.
The second guy says no problem to replace just the compressor.
Difference in price is about 4k-5k.
Any reason not to trust the second guy?

ETA: attached an image of the model in case it helps

Offline Sport

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Re: HVAC (heating and AC) question
« Reply #100 on: August 08, 2018, 08:06:41 PM »
2.5 Ton unit recently started tripping the circuit breaker. 2 HVAC guys diagnosed it as the compressor beginning to fail and therefore causing a power surge. One said I need to replace the entire unit including the air handler in the attic because the model is not made anymore and replacing just the compressor on the condenser unit is that worth it because soon I'll have to replace the whole condenser unit.
The second guy says no problem to replace just the compressor.
Difference in price is about 4k-5k.
Any reason not to trust the second guy?

ETA: attached an image of the model in case it helps
What did the first guy quote you at?
I just had similar issue and ended up replacing both and put in a 5 ton unit for 6k.

Online moko

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Re: HVAC (heating and AC) question
« Reply #101 on: August 08, 2018, 08:14:44 PM »
What did the first guy quote you at?
I just had similar issue and ended up replacing both and put in a 5 ton unit for 6k.
between 5&6k.
Currently it's only AC. Heat is gas/hot water. If I'm replacing, I'm definitely adding heat but I'm considering going with ductless in order to control the zones better. My research says it's a fortune e to add dampers to old duct work and they sometimes don't end up working properly.

Offline Meno

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Re: HVAC (heating and AC) question
« Reply #102 on: August 08, 2018, 08:19:24 PM »
If it is working for downstairs do you really need to block off the upstairs?

It's not great downstairs, it's just ok. There's cold air getting upstairs, it's just not enough to make a difference so it's a waste. I'd rather keep all that cold air downstairs.

Offline Sport

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Re: HVAC (heating and AC) question
« Reply #103 on: August 08, 2018, 08:24:31 PM »
between 5&6k.
Currently it's only AC. Heat is gas/hot water. If I'm replacing, I'm definitely adding heat but I'm considering going with ductless in order to control the zones better. My research says it's a fortune e to add dampers to old duct work and they sometimes don't end up working properly.
I thought you said diffr3nce in price between 1st and 2nd guy was 4-5k ?

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Re: HVAC (heating and AC) question
« Reply #104 on: August 08, 2018, 08:43:14 PM »
I thought you said diffr3nce in price between 1st and 2nd guy was 4-5k ?
second guy quoted 1k to replace the compressor