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re: HVAC Help!

Posted on 11/1/19 at 1:54 pm to
Posted by keakar
Member since Jan 2017
29921 posts
Posted on 11/1/19 at 1:54 pm to
correct answer here is 2 separate systems.

looks like two 3 ton systems will fit your needs but have those upstairs areas roughed in with the ductwork now

3 tons = 1500 sq ft living space cooled
This post was edited on 11/1/19 at 1:56 pm
Posted by Lsu4life42
Central LA.
Member since Nov 2015
545 posts
Posted on 11/1/19 at 3:32 pm to
I would do two units if u dont u would wish you had.
Posted by hophead
Member since Nov 2007
1969 posts
Posted on 11/1/19 at 4:54 pm to
Based on those options, go with quote 2. Quote 3 should not be considered. You will have yourself if you went with a single unit. I'm not an ac guy, but from what I gather, you'll need a 3 ton and a 1.5/2 ton.
Posted by Neauxla
New Orleans
Member since Feb 2008
33442 posts
Posted on 11/2/19 at 7:00 pm to
Getting some more quotes. Guy today wants to charge me to do the heat load before giving me a quote for the hvac
Posted by notsince98
KC, MO
Member since Oct 2012
17954 posts
Posted on 11/4/19 at 8:57 am to
quote:

Guy today wants to charge me to do the heat load before giving me a quote for the hvac


It is a couple hours worth of work. Some companies consider the time as marketing and others want to be paid for it. If you get one done, you can at least use that to go back to all the dealers you are interested in and finally get an apples/apples comparison for all brands.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5264 posts
Posted on 11/4/19 at 11:04 am to
quote:

Getting some more quotes. Guy today wants to charge me to do the heat load before giving me a quote for the hvac

From what I gather it is common, charge you for it, or they will do the load calculation but not provide you the detailed results unless you sign a contract purchase from them. Certainly this is to be expected, obviously they don’t expect to do a couple hours of work for the load calculation, give you the findings for free, and then have you use their free work in doing the Manual J to shop around and purchase from another HVAC vendor.

FWIW, I’ll be replacing my unit in a year or 2 and I intend to hire a 3rd party firm to do a manual J load Calc/blower door test to size what size unit I need after I do some addition energy improvements to the house. I think that will be be a good investment of $300 to $500. After all, you’ll likely be shelling out $10K+ for 2 units, a few hundred upfront to get it right the first time is a wise investment.
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