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What Size Air Conditioner Do I Need for My Home?
If it’s time to purchase a new air conditioner for your home, you need to consider the size of unit that will best serve your needs. That’s because selection of an undersized or oversized AC can lead to significant, unnecessary problems for as long as the next 12 to 15 years. It’s not that easy to account for all the factors that affect conditioner size estimates. Guidance from a qualified HVAC specialist will help point you in the right direction.
What Sizes Are Available?
The typical air conditioner used to cool an American home has a size of two tons. This doesn’t mean that the unit actually weighs two tons. It means that the unit has an hourly cooling capacity of 24,000 BTUs (British thermal units). Essentially, an air conditioner of this size has enough power to cool down 24,000 lbs of water by one degree. Larger residential ACs (typically found in bigger houses) come in a three-ton size, and have an hourly cooling capacity of 36,000 BTUs. A small home may only require a one-ton (12,000-BTU) air conditioner for adequate cooling.
How Are Size Needs Estimated?
Air conditioner size estimates are so complicated because so many different details have an impact on the required calculations. Many of the critical details relate to your house itself, including such things as its layout, interior volume, number of windows, window positioning, current ducting system, level of airtightness and age. Other details center on your home’s relationship to the environment and local surroundings, including its typical pattern of exposure to sunlight and the amount of sunlight protection provided by nearby greenery. In addition, there may be other specific factors related to your house or property that don’t arise in the typical situation.
How Do HVAC Specialists Calculate Size?
Big Country Air has a reliable way to estimate the proper size of air conditioner for any given household. In addition, for the sake of consistency, the same standard must be used by all qualified specialists. The standard currently in use in the heating and cooling industry is called “Manual-J.” When applying “Manual-J,” an HVAC professional will include all the details from your house itself, as well as the details associated with its relationship to various environmental factors and its surroundings. The most thorough type of AC size analysis treats each room in your home individually, although a cheaper whole-house analysis also works well in many cases.
As you can see, a lot of work goes into determining the proper size of air conditioner for your home. Fortunately, no matter where you live, you can typically find an HVAC professional who can help you with every step of the process. For additional timely information on home air conditioning and other important heating and cooling topics, bookmark this blog and check back with us often.
ILLEGAL A/C CONTRACTORS PREYING ON UNSUSPECTING HOMEOWNERS!Each year, hundreds of homeowners, who are just trying to get their air conditioner or heater repaired, fall victim of unlicensed “guys” who claim to be qualified to work on air conditioning
10 HVAC & Energy Efficiency Fun Facts
A little knowledge doesn’t hurt anyone! We’ve been collecting fun facts about the HVAC industry over the past few months from various credible sources, and thought collectively they would make a masterpiece. So read on and you will probably find something out you didn’t know before!
1. Factors such as rightsizing, system updating, and types of refrigerant used can significantly affect HVAC efficiency.
2. An electronic air cleaner is 40x more efficient than a standard throwaway filter in removing unwanted particles from your home.
3. A variable speed heat pump can trim energy costs by as much as 40%.
4. You can increase the efficiency of your home by up to 30% by investing in proper insulation and sealing air leaks around windows and doors.
5. In NYC, it is estimated that poorly fitted air conditioners cost buildings $130 million to $180 million a year in extra fuel consumption!
6. An oversized HVAC system increases installation costs, wastes energy, and costs more in overall operating costs than a correctly sized system.
7. 75% of the electricity used to power home electronics is consumed while the products are turned off – so unplug and conserve!
8. The Romans were the first civilization to use any type of warm-air heating system.
9. The first air conditioner wasn’t for people’s comfort! The first modern air conditioner was invented by Willis Carrier in 1902 for a publishing company in Brooklyn. The machine kept temperature and humidity low so that paper didn’t expand and contract. Carrier never intended for his invention to be solely used for comfort!
10. The top 3 commercial energy uses in the US are: lighting, space heating, and space cooling.