Using the heat-gain calculation, your contractor will recommend an air conditioner size, expressed either in tonnage or Btu per hour (Btu/h). But we don't take the idea any further. Central air conditioning is an alternative to room air conditioners, such as window units or ductless mini-splits, which cool only the area directly around them. Installation labor costs about $75 per hour or 40% of the total installation cost, so if it takes an average of 18 hours to install your 2-ton AC unit and the bids coming in are for $3,350, about $1,350 of your total cost will be for labor. Central Air Conditioner Prices. Looking for help with repairs around your home? EER and SEER ratings are methods of measuring the energy efficiency of an HVAC system. The ducting connects directly to the unit. BTU stands for British Thermal Units, and it’s defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. Upsizing the furnace blower (rated in cubic feet per minute, or cfm) to move the cubic feet of cool air required for your house. Your ductwork must be wide enough and insulated enough to support your new air conditioner. Installation Issues. The final cost depends on the type of unit, if additional ductwork is required, and the professional's inspection and installation … Keep in mind that the SEER rating is calculated using the same set of temperatures across the board. As with measuring the size of a unit needed based on BTUs, determining the correct size of unit for your home also depends on the unit load—how much cold air it will lose by room. Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air … Even the quietest condensers make noise, so work with your contractor to find a location that's not near a bedroom or home-office window. Our lineup of central air conditioners allows you to choose the best solution to meet your needs. Easy to Maintain Siding with a Modern Spin | 2020 Farmhouse in Fairfield County. Also, add the cost of a new wall, floor, or ceiling work needed. Installing a new AC unit can cool your house quickly and save on your existing central air costs considerably for as little as $2,426. It will come on and go off so fast, it won’t reduce the humidity in a room, so rooms may end up feeling cold and clammy. But these holes are relatively small, and the mess is easily contained. Ducts that feed first-floor rooms run down through second-floor closets wherever possible. Depending on what zone you are located in, the standard rule of thumb is 30 to 40 BTUs per square foot in warm climates, 40 to 50 BTUs in mild climates, and 50 to 60 BTUs in cold climates. The first step your contractor will take to determine the position of ducts is to draw a floor plan of the second floor and lay it over a floor plan of the first floor. The SEER rating of a unit is the cooling output at varying temperatures during the cooling season divided by the total electric energy input during the same period. The higher the SEER, the less it costs to operate. That's because it cools the air so quickly that it shuts off before it has a chance to circulate the proper volume of air past the coils to extract the necessary moisture. Mount and secure condenser to new pad. A SEER rating stands for Seasonal Energy Efficiency Ratio. Sealing the ducts to boost efficiency. If that won't work because of space limitations, the contractor will fabricate a separate sheet-metal plenum. Holes do have to be cut in first- and second-floor ceilings for registers, and some second-floor closet floors will undergo surgery to accommodate the new ducts. The final price depends on the size of the unit, ductwork needed, and installation labor rates. Requirements are: Rebates are also offered on many air conditioners. Here are some of the more popular AC unit brands and their average price: The lifespan of a central air conditioning unit is considered to be 15–20 years, and today’s air conditioners are more energy efficient than models made even 5 years ago, so it makes financial sense to replace or upgrade your unit if it’s five years old or older. How your home is oriented to the sun—the more room that sits in the shade, the lower the cooling needs. A home warranty may help. How much insulation is in your attic and walls, and the R-value of the insulation, What type of doors and windows you have, and where they are placed. Carrier: Best range of central air conditioners. We track the estimates they get from local companies, then we share those prices with you. Want to install central AC to your home? Though strongly influenced by where you live, several factors affect the size unit required, including the amount of wall and attic insulation you have; the types and placement of windows and doors; and the orientation of your home to the sun. This price is typical of installing a new AC unit to your forced air furnace. EER stands for Energy Efficiency Ratio. Even if there's no ductwork in your home, if air-conditioning will make your house more pleasant in the summer months, contact HVAC contractors to review the cost of adding A/C and the methods they would use. Install 2nos of 3.5kw split air conditioner in Geelong, Charlemont suburb. The SEER rates how many Btu an air conditioner will remove for each watt of electricity it consumes. Get 5 free estimates on HomeGuide from trusted air conditioning installers: Let us know about your needs so we can bring you the right pros. Another warranty that may be available to you is the one from your HVAC installer. The average cost of a new AC unit is between $1,200 and $1,800. Install the evaporator coil inside the supply plenum of your furnace. Don't place the condenser under a deck or completely enclose it because it exhausts warm air out the top. While you may be able to do some preparation work for central air installation, you should hire a licensed contractor to complete the project and handle the air conditioning refrigerants. Undersize blower wo n't move enough air through the coils, and you ’ ll be able to your! Is typical of installing a new wall, floor, or ceiling work needed,. 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