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AC pros help

Old 07-19-2015, 01:23 PM
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Default AC pros help

I have to replace my 13 y/o unit. 5 tons (yes it needs that much and even that might be a touch under but no choice, highest residential ) ( old unit 3.5 Train and has NEVER gotten the house below 74) not asking about size but quality and reliability vs price

choices Lenox, Trane, Goodman... big price difference, same warranty , is Lenox that much superior and isTrane having problems with either compressors or coils. I have used this company before and they seem on the up and up but at these prices I need more info. Thanks.
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Old 07-19-2015, 03:37 PM
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You need to get someone to look at your house and check the heat load, insulation and square footage. I doubt you need yo go from 3.5 tons to 5 tons. I bet if you go to 5 your system will short cycle. That basically means it will cool too fast and shut off before it removes enough humidity. The 410a systems now need to run longer. I would go with 15 Seer 16 if you can swing it. The cost is only for the system. Installation is the same.
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Old 07-19-2015, 04:20 PM
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Like said above you need to make sure the company that comes out needs to do a manual J heat load calculation. I would stay away from Goodman, I bet over 50% of the service calls I run are Goodman. Although it really boils down to proper installation.
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Old 07-19-2015, 07:31 PM
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they did a heat load, came out , measured, put in their computer. 3000sq , 12 ft ceilings, one cathedral , and most rooms facing direct sun for most of the day. they are recommending the lennox, highest ser, most reliable, but most money.
also rec more insulation blown in after the installation. undersized from the original installation.
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Old 07-19-2015, 07:42 PM
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The Trane XV will blow the Lennox out of the water in comfort level.
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