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- Schedule an annual air conditioning system tune-up
- Shade the air conditioning compressor
- Seal air conditioning ductwork
- Install a programmable thermostat
- Change HVAC filters regularly
- Know when to upgrade
- Choose and install the right room air conditioner
- Efficiency Around the House
- Upgrade insulation
- Keep storm windows closed
- Pull the shades
- Spin out coolness
- Landscape for shade
- Work at night
Air conditioning efficiency is the result of year-round efforts, from pre-season maintenance of your system to smart improvements inside and outside of your home. Take time now to consider the following air conditioning efficiency checklist so that your family is comfortable and your utility bills are manageable through the warmest days of the year.
Schedule an annual air conditioning system tune-up
Annual maintenance of your air conditioning equipment is a must for efficient, effective cooling during warm weather, and also contributes to the longevity of the components. As soon as outdoor temperatures reach 60 degrees, you’re good to book your HVAC contractor for a pre-season call including such checks and adjustments as cleaning the evaporator and condenser air conditioning coils, addressing refrigerant levels and cleaning and adjusting blower components.
Shade the air conditioning compressor
Ample shade for your system’s outdoor compressor will help it to work more efficiently. Just make sure that there’s plenty of space around the compressor for proper air intake and output, keeping shrubs and other plantings a one-foot distance away from all sides of the unit.
Seal air conditioning ductwork
Up to 20 percent of the cool air your system generates can leak out through poorly sealed and insulated ductwork, so take time now to eliminate those escape routes. Use duct sealant (mastic) or metal-backed tape (never duct tape, as it doesn’t have the required staying power) to seal all seams and connections, and then follow with an insulation wrap.
Install a programmable thermostat
Programming air conditioning according to your away-from-home schedules yields significant savings while keeping you and your family comfortable during at-home hours.
Change HVAC filters regularly
Check and change filters once a month or more during AC season. A dirty filter makes your system work harder by slowing down air flow, and also wastes energy and threatens components with dirt and dust buildup.
Know when to upgrade
If your air conditioner is over 10 years old, it may be due for replacement with an Energy Star qualified model. As you shop, remember that new equipment needs to be compatible with the rest of your HVAC suite in order to be efficient, and other components may also require replacement if they’re of a certain age.
Choose and install the right room air conditioner
The best and most efficient room air conditioning comes from a unit that’s perfectly sized to the space and properly installed. Energy Star once again comes to the rescue with a collection of qualified room air conditioners that use 10 percent less energy than conventional models and can be selected with help from Energy Star’s room AC sizing guidelines. For added energy efficiency, install your unit on the shadiest side of the house and select a model with easy-to-clean filters and controls such as a digital readout for the thermostat setting and a built-in timer.
Efficiency Around the House
Here are several other ways to improve your home’s air conditioning efficiency that you can do around your house.
Upgrade insulation
Keep that precious cool air indoors by adding insulation throughout your home. Some of the leakiest, most under-insulated homes are located in southern climes where winters tend to be mild, so bulking up insulation before high heat arrives is an absolute must.
Keep storm windows closed
The same air that leaks in during cold weather leaks in during summer and drives up cooling costs, so keep storm windows closed in rooms with window air conditioning units for extra cooling comfort and efficiency.
Pull the shades
Keep rooms cool by closing shades and blinds during sun-filled hours of the day.
Spin out coolness
If you have ceiling fans in your home, get them spinning in the right direction for cooling efficiency by setting their reversible motors for counterclockwise motion that pulls cold air up.
Landscape for shade
Strategically planted shade trees not only ad interest to your landscaping but also keep your home cool during the summer months, trimming your air conditioning expenses by as much as 25 percent.
Work at night
Keep your home cooling efforts efficient by limiting use of heat-generating appliances like clothes dryers and dishwashers to evening hours. Improving your home’s air conditioning and cooling system efficiency can be achieved through a combination of common sense maintenance tips as well as by reducing the heat that gets into your home. Follow these steps and you’ll improve your air conditioning efficiency, reduce cooling costs and improve your comfort all year long.
Well once air condition is been installed, it needs to be maintain. In maintenance, the electric bill charges are also been considered. I think, the amount of bill goes high only in one month in a year when its too hot. While other times we can maintain it.
To the filter comment, there is no truth to the phrase "todays modern filters can last 6 months". The 4" or 5" wide Media Filters can last 6 months, they are more expensive and not every new Central air system or furnace can fit 4-5" wide filters. Most new 'standard' systems still come with 1" slots for 1" filters. The best thing you can do regardless of filter size is check them monthly if 1" wide, bi-monthly if 2" wide, every 3-6 months if 4" wide. When you hold it up to a light bulb you should be able to see light through more than 60% of filter area. If not, time to change it. If you have pets, expect to change it more often. If your ducts are not sealed with mastic, expect to change filters more often. If your filter is not sealed behind a selaed door or cover, call a pro to fix that. Unsealed filters, let dirt into the blower, making it inefficent and shortens it's lifespan. Also, when buying replacment filters look for it's MERV rating , the higher the MERV rating, the more efficient it is for both energy and cleaning air MERV 8 is the lowest, 10 is good, 11 is better. Unfortunatley Home Depot has contracted with its suppliers to refuse to print MERV ratings on filters, instead they print FPR ratings – a meaningless figure self-made by the manufacturers such as 3M, Honeywell, etc… MERV is an industry standard test, FPR figures are made up out of thin air by filter manufacturers. see.www.bpi.org to find AC pros that are certified energy savings experts.
AIR COMING OUT OF THE REGISTER IS 50; HOME TEMP IS SET ON 72 BUT IS CONT. 74-78???????????
fans should always blow “downward” both in summer and winter. switching them is an old wives tale… the breeze makes you feel cooler in the summer than the mixing of the cool and hot ceiling are does. lots of recent ‘studies’ and articles about this fact.
Change the filter once or more per month?
How is that going to save money when a new filter costs $30? Modern filters are usually perfectly capable for 6 months or more.
counterclockwise motion that pulls cold air up pulls dust up too!
and leave’s it on the popcorn ceiling