Solved

Air Conditioning Heat Pump System

Posted on 2008-06-26
3
298 Views
Last Modified: 2012-05-05
Hi,

Our 3 story house, including basement is about 3600 square feet.
9 foot ceilings.
Duct work is about 8"

We have a 3.5 ton AC that can't keep up. State of Kansas. Our bills last summer were $700-$900 a month and we lived in an oven. It never got cool except on rainy cool days that were cold anyway.

I have had several AC folks out to talk to us.

I want the best system without overkil. I have the money, although ideally, I don't want to overspend if it's more than we need.

Problem is, one guy says we need a 4 ton unit, and 5 would be pushing it, because our duct work can't push through air from a 5 ton+ because it is too small.

But on the other hand, I don't see going from 3.5 ton to 4 ton would do much of a difference.

I read somewhere that calculate 1 ton for every 400 square foot. That would be 9 tons.
Another said 600 sq. ft. That would be 6 tons.
Anyone know an accurate calculation? I think the ones low-balling us aren't considering we have 9 foot ceilings too. That has to account for something.

We have already done due diligence with our windows. It is an 8 year old home. The AC unit put in here was obviously too small for the house. As well, the venting off the system from the filter, I don't know what you call it, was pointed out too us that it is waaay too wide for the unit and wasting air or something.

Anyway, recommendations please. I don't want freon, I want the other.

Also, we've talked to two Trane guys, one last fall and one two days ago. Their recommendations and price differences were $4,000 apart. Go figure.

Another guy says he has an Everest that is far less than both of those guys and has a lifetime warranty, as opposed to Trane's 10 year warranty. We have also talked to Sears.

We have talked to folks about just adding another AC unit, since there is nothing wrong with our heater. But on the other hand, if I'm going to do this, I feel we should replace the entire system, including heater and get a system that has the two motors, the one that runs and the other that shuts down and runs only when needed.

Any ideas on that?

thanks.

0
Comment
Question by:Starr Duskk
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
3 Comments
 
LVL 25

Accepted Solution

by:
nickg5 earned 500 total points
ID: 21910110
ask an a/c pro here:
http://www.handymanwire.com/
0
 
LVL 25

Expert Comment

by:nickg5
ID: 21910120
There are other things you may have to take into account other than size such as local climate ,how many windows and size of the windows in your home the level of insulation your home has and other factors. This site gives you an online estimate in less than a minute. I am not sure how reliable it is but it is worth taking a stab at and at least getting an initial idea:
http://www.airconditioninghelper.com/size.htm
0
 
LVL 2

Author Comment

by:Starr Duskk
ID: 21910261
http://www.airconditioninghelper.com/size.htm

actually this has you sign up to have people call you to come to your home and give you an estimate. Signing up takes less than a minute.
0

Featured Post

Free Tool: Port Scanner

Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
I have a question about a grounding mat i use at night to sleep better. 13 74
English question 2 42
QQ problem 22 90
Partnership Agreement 2 44
Phishing is at the top of most security top 10 efforts you should be pursuing in 2016 and beyond. If you don't have phishing incorporated into your Security Awareness Program yet, now is the time. Phishers, and the scams they use, are only going to …
Digital marketing agencies have encountered both the opportunities and difficulties that emerge from working with a wide-ranging organizations.
Notifications on Experts Exchange help you keep track of your activity and updates in one place. Watch this video to learn how to use them on the site to quickly access the content that matters to you.
Articles on a wide range of technology and professional topics are available on Experts Exchange. These resources are written by members, for members, and can be written about any topic you feel passionate about. Learn how to best write an article t…

738 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question