340 posts, read 414,887 times 1,135 posts, read 1,624,739 times 589 posts, read 882,928 times 1,345 posts, read 1,756,296 times 5,150 posts, read 5,049,224 times 8,406 posts, read 14,815,803 times Originally Posted by Glmore My home is 1600 sq. ft. , and I replaced the 3.5 ton AC unit and air handler a couple years ago for $2900. That is closer to the lower end than the higher end. The furnace was, and is, fine. Someone said 1 ton per 500 sq. ft., and I agree. I wanted supercooling ability, but was told if the unit cools the home too quickly, it doesn't remove enough humidity. I didn't understand that when I did the first system 12 years ago, but I learned.But in homes the size of yours and mine, zoning simply means closing a vent or two to redirect the air. The master suite is upstairs in my tri-level home, and I closed all the vents on the bottom floor to force more cool air into the master suite, It works well, since I don't use the downstairs bedrooms, They stay cooler anyway, year round.

Our homes aren't big enough to warrant a true zoned system. Originally Posted by Sean_CLT Good luck selling that house. You may not be able to have window units depending on your neighborhood rules. Window units are noisy, air leaks around them, bugs can get in, they are easily stolen and provide an easy entrance for would-be burglars, etc. They are a last resort IMHO. 104 posts, read 221,403 times Originally Posted by vmaxnc Some good info .....could you PM me the company you used for your AC replacement? 3,915 posts, read 2,674,064 times Having paid to replace several ACs myself in different homes, I will add the following. If you are comfortable in your home now, then there isn't any need to change how it works by adding zones, etc. If it is a builder grade system you are changing, you should however look at increasing the efficiency and reducing the noise while you have the opportunity to do so. Stick to a middle of the range unit.

That last % or so of efficiency isn't worth it. You should probably pay for a 2 speed system. They mostly operate at low speed but have the ability to shift higher during periods of a lot of heat or if you change the temp.12000 btu ac heater window unit Most contractors will include venting changes during the install. casement window ac unitIf you have a vent that is too little or too much, or a room that isn't heated or cooled properly, this is the time to tell them about it.air conditioning units syracuse ny Since you are doing a preemptive install, i.e. it's still working, I'd recommend waiting until they are in a slow period which would be the fall or spring. There are better deals then. Don't forget to check for rebates including those from the power company.

101 posts, read 141,257 times Originally Posted by Jareb Does this rule of thumb apply equally to one and two story homes? Does it apply in a linear fashion as square footage increases? I seem to be ok with two 2.5 ton units cooling a 3,600 square foot two-story house.Trane Air Conditioners Price List Trane makes one of the most complete lines of central air conditioners on the market.  This Trane air conditioners price list will provide an overview of their models as well as offer sample pricing for each one.  The prices we offer are not straight from Trane but are gathered through reader input as well as our monitoring of the market.  The reflect average prices for Trane products currently being offered.   The Trane product family is divided into four categories: Ultra Efficiency, Super Efficiency, High Efficiency and Standard Efficiency. Ultra Efficiency: Trane XL20i This is the Trane top of the line central air conditioner, the Trane XL20i.  This Energy Star product is characterized by outstanding efficiency of up to 20 SEER which may reduce air conditioning costs by 50% or more when it replaces models 10+ years old. 

Here are other top features that affect the cost: 2 ClimaTuff scroll compressors provide sufficient performance to cool on even the hottest days. ComfortLink II technology coordinates system components for better efficiency and performance. Comfort-R humidity control uses managed cycles to reduce humidity when cooling. 4 models are offered: 2, 3, 4 and 5 ton. 12-year limited compressor warranty; 10-year coil and parts warranty. Trane Air Conditioners Price List for the Trane XL20i Air Conditioner 2 ton Trane XL20i central air conditioner: $1,989 3 ton Trane XL20i central air conditioner: $2,249 4 ton Trane XL20i central air conditioner: $2,579 5 ton Trane XL20i central air conditioner: $2,819 Super Efficiency: Trane XL15i Air Conditioner This very efficient Trane central air conditioner also offers the ComfortLink II communicating technology that offers superior performance and indoor comfort.  Here’s what else is offered in the XL15i:

Single- and 2-stage ClimaTuff compressor. WeatherGuard top for enhanced protection, air flow and noise reduction. 9 separate models offered from 1.5 ton to 5.0 ton capacity.10-year limited coil and parts warranty. Trane Air Conditioners Price List for the Trane XL15i Air Conditioner 2 ton Trane XL15i central air conditioner: $1,559 3 ton Trane XL15i central air conditioner: $1,829 4 ton Trane XL15i central air conditioner: $2,179 5 ton Trane XL15i central air conditioner: $2,499 High Efficiency: Trane XR15 Air Conditioner This is one of Trane’s most popular models because it offers the best balance between efficiency and affordability.  It’s an Energy Star-rated product with 17 SEER performance.  Quality materials and design are featured throughout the unit.  Top features for comparison include: Spine fin coil for more effective heat transfer. Quick-sess cabinet to expedite maintenance and service. Composite, corrosion-free base pan.

10-year limited compressor warranty; Trane Air Conditioners Price List for the Trane XR15 Air Conditioner 2 ton Trane XR15 central air conditioner: $1,539 3 ton Trane XR15 central air conditioner: $1,759 4 ton Trane XR15 central air conditioner: $1,989 5 ton Trane XR15 central air conditioner: $2,299 Standard Efficiency: Trane XB14 Air Conditioner Even Trane’s standard efficiency models are Energy Star-rated!  That says something about their commitment to their consumers and the environment.  The Trane XB14 achieves up to 16 SEER performance when matched with a compatible variable-speed blower.  The other top features include: Aluminum fins on the compressor are efficient and resist corrosion. 10-year limited warranty on the compressor; 5-year limited warranty on all other parts. Trane Air Conditioners Price List for the Trane XB14 Air Conditioner 2 ton Trane XB14 central air conditioner: $1,159 3 ton Trane XB14 central air conditioner: $1,379