According to FurnaceCompare, the best central AC unit available in 2014 is the Goodman DSXC18. As of June 2014, The Sweet Home rates the Frigidaire FFRE0833Q1 as the best window AC unit.
Customers looking to keep cool on hot days can purchase a quality air conditioner online from Sears, Newegg or AJ Madison. Each of these suppliers carries air-conditioner units from top brands such as Frigidaire, LG and RCA.
When choosing a central air condition unit, it is important to consider size, cost and type of unit. The choice of size is particularly important, as an improperly sized unit can result in severe loss of energy efficiency and other problems.
The top window air conditioner, according to ApartmentTherapy.com, is the Frigidaire FRA086AT7, as of 2015. Reviewers there scored it very highly for efficiency, cooling power, ease of use and price.
As of 2015, some top-rated air conditioner units include the GE AEL06LS, the LG LW8015ER and the Frigidaire FRA052XT7, according to Consumer Search. Another highly rated unit, suitable for small rooms and featuring four speeds, is the General Electric AEL05LQ, notes the Bob Vila website.
The average cost of having a new air conditioner installed is around $5,000, according to HomeAdvisor, as of October 2015. The cost of having an old air conditioning unit replaced can range from $1,700 to $10,000. The cost to have an air unit repaired is significantly cheaper, averaging around $300.
To replace an air conditioner filter, remove the filter, determine what type of replacement filter is necessary and slide it into place. The filters in window units should be replaced yearly and cleaned once per month.
To install a window AC, open the bottom sash fully, balance the unit in the window with the bottom flange against the outside of the frame, close the sash, lock the sash in place, and expand the wings. Add insulation and weatherstripping to prevent heat infiltration.
To replace an AC valve, detach air conditioning lines, pry out the glove box, remove the bold, pry off the airbag, open the evaporator to access the valve, and replace the valve with a new one. You need a replacement air conditioner valve and various wrenches to complete the process.
To buy the correct size of A/C system for your home, you must consider the square footage of the house, the direction the house faces, the placement of rooms in the house, the number, size and types of windows and doors and the R-factor of its insulation.