Through different air conditioning websites. Contact your local service providers.
One would hire a reputable air conditioner installer by looking at sites such as AngiesList to find air conditioner installers near them with the best ratings.
The average weight of a residential air conditioner is around 100 to 200 pounds.
It all depends on makes, models,S.E.E.R.S and effeciency ratings. Which range between $2500-$9500
Turn it around
You can find air conditioner parts to replace the old ones on your current air conditioner in an electronic store (or where you bought your air conditioner) or on the internet.
You can find reviews and ratings on whole-house air conditons online. One such website I found is http://www.nextag.com/whole-house-air-conditioner/search-html.
Normally an air conditioner is controlled by the tenant as part of his electricity.
I always seem to buy the worst air conditioner on the market. Where can I find reviews on the best air conditioner to buy?
To calculate the power consumption of an air conditioner in watts, you multiply the voltage (V) by the current (I) in amperes. The formula is: Power (W) = Voltage (V) x Current (A). You can usually find the voltage and amperage ratings on the air conditioner's label or in its manual.
Most standard residential service is single phase. Therefore, I would say most all residential A/C units are single phase.
Seven million residential units in usa
I do not own a central air conditioner. There are several websites though that offer reviews of central air conditioners. One of these websites is consumersearch.com.