Freeze Your Air Conditioning Costs – 15 Ways to Save Money on Cooling Your Home

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Save Money on Your Cooling Bill
My wife and I are fortunate to live in a moderate climate and we were able to get by without using air conditioning until this week. I think it’s great that we can wait until mid-June before we need to turn on the AC! Before that, we only had to open our windows to cool…

My wife and I are fortunate to live in a moderate climate and we were able to get by without using air conditioning until this week. I think it’s great that we can wait until mid-June before we need to turn on the AC!

Before that, we only had to open our windows to cool our house. We are still able to turn off the AC at night and open the windows to cool our house, which is nice and saves us money. Hopefully, we will be able to do that all year, but last summer we had a few nights that were too warm to do that.

Save Money on Your Cooling Bill

Here are a few things I do to save money on air conditioning costs:

Use Air Conditioning and Fans Strategically

Open windows when possible. Up until a couple of days ago, my wife and I were able to open our windows to cool our house during the day. It’s a little too warm for that now, but we can still open the windows at night. There will be some nights when it will be too warm to do this, but hopefully, there won’t be too many.

Use a programmable thermostat. A programmable thermostat can help you save at least 10-20% on your energy bill year round. We use a programmable thermostat at home. In the summer we set it at 78 degrees while we are home, and 85 when we leave the house. We set the thermostat to cool the house about 30 minutes before we get home. It works well and saves us a lot of money. Of course, the same concept works in the winter as well and can help you save money on your heating bill. A programmable thermostat should more than pay for itself. Here is a very affordable option from Amazon.

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A Smart Thermostat may save you more money. A smart thermostat is a step up from a programmable thermostat. They have algorithms that learn your preferences and can even determine if you are home or not, and can automatically adjust your thermostat settings accordingly. And, since they can be controlled from a smartphone, Amazon Alexa, Google Home, or a wi-fi connection, you can always adjust your thermostat if you are away from home. This is a great way to save energy if you will be away from home longer than anticipated, or if you forget to set change your settings before leaving for vacation.

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Use an air vent booster. I installed an air vent booster several years ago and it works wonderfully. You install it over an air vent and it works by pulling more air into the room. This is great for problem rooms that have low air flow. It can save you money because you don’t have to run the air conditioning or heating system as long to get that particular room as cool or warm as you want. The model I have is the AirFlow Breeze, which costs about $50. I use it year round in a room above our garage that has low airflow and also fights the warm of cold air coming up from the garage. (We have received a lot of questions about this, so I wrote more on the air vent booster at the end of this article).

Make sure your vents are clean and uncovered. Dust and dirt can reduce your airflow causing your AC system to work overtime and severely reduce the airflow to your room. Covering them with furniture, drapes, or carpeting will have the same effect. Make sure the air flows freely and you will save a lot of energy and money.

Use ceiling fans and portable fans. Run ceiling fans so they push the air down toward the floor. This circulates the air in your house and will help cool your house more efficiently than running the air conditioner by itself. In the winter, run your fans in the opposite direction to more efficiently circulate the warm air throughout your house. Portable fans will also improve airflow in rooms that don’t get as cool.

Use attic vents. Your roof can contribute up to 30% of your house’s heat during the summer, so it is a good idea to have fans in place to ventilate the attic.

Install a whole house fan if appropriate for your climate. A whole house fan can change over the air in your house in a matter of minutes by pulling in the cooler air from the outside and expelling warmer air outside. We live in an area where they are fairly common, although our house doesn’t have one. I am considering installing one because it will save us a lot of money in the long run – and help us sleep more comfortably at night.

Change filters regularly. You want to change the filter in your furnace approximately once a month with heavy use, or when it is dirty. Hold the filter up to the light and if there is little light passing through, you know it is time to change the filter. This will save you money by increasing airflow and allowing your AC unit to run less often and more efficiently.

Service your AC unit annually. Regular maintenance will keep your AC unit running efficiently and help avoid costly repairs, or possibly give you advance notice that something is wrong – allowing you to fix the problem before it becomes a major issue.

Buy an efficient AC unit. When you’re shopping for a new central air conditioning system, pay attention to the SEER number (seasonal energy efficiency ratio). You want a SEER number of 13 or better, or 14 or better in warmer climates. If your current unit is an 8 or lower, consider upgrading. You will probably recuperate your expense in a couple years by drastically reducing your electricity bills.

More Ways to Save Money on Air Conditioning

Close shades or curtains. Close curtains on south and west facing windows during the day to decrease the solar heat in your house. To let in more light, open the shades that are not facing the sun. If you need to use lights in the daytime, use cfl’s because they are more efficient and produce less heat than incandescent bulbs.

Seal windows, doors, and gaps. Sealing your house prevents leaks and keeps your house more energy efficient. Use caulk or weather stripping, which is available for just a few dollars at any home improvement or hardware store. Also make sure your fireplace damper and dryer vents are tightly closed.

Install good insulation. Insulation will prevent your home from losing cool air in the summer and warm air in the winter and increase the efficiency of your cooling and heating systems. Add insulation around air conditioning ducts when they are located in non-air conditioned spaces like as attics, crawl spaces and garages, and make sure there are no leaks in the duct joints. Don’t forget to install basement insulation, which is often overlooked and will help stabilize basement temperatures year round.

Turn off unused lights and appliances. Lights and electronics create a lot of heat. When not in use turn off your lights and any unused electronics and appliances such as your television, radio, computer, kitchen appliances, etc.

Use heat producing appliances sparingly, or at night. Avoid using your oven in the day, and try to use an outdoor grill, microwave, or crockpot instead of the stove. Let your dishes in your dishwasher air dry instead of using heat to dry them, and use your clothes dryer at night.

How an Air Vent Booster Can Save You Money

air-flow-technology-vent-booster.jpg What is it? An air vent booster is a powered fan that fits in your vent register and helps pull additional conditioned air from the ducts into your room. The model I have is the AirFlow Breeze, which is produced by AirFlow Technology.

Does it work? Yes, it does. But, don’t confuse it with a heater or an air conditioner. All it is designed to do is provide a “boost” to the amount of air coming through the ducts into the room it is installed in. The air comes from your ducts and will help make that room a similar temperature to the rest of your house. They are great if you have a problem room like mine!

Does the extra draw on the air source affect the rest of the house?
Not that I noticed. The only thing I noticed was that our computer/guest room is more comfortable to be in and we enjoy our room more now.

Does it constantly run? No. It has a built in thermostat that switches the fan on when either the heater or AC comes on. It is very easy to set – just follow the directions in the manual.

Does it save money? Yes. If you have a room that just does not get hot or cold unless you crank up the heat or AC for the rest of the house, or use a space heater or fan, this could save you a substantial amount of money over the course of a year because you will use less energy to condition your room. The fan uses a 12 volt DC power adapter, which costs pennies to run.

Is it hard to install? No! It only took about 15 minutes, including the time to remove the old vent cover with a screwdriver (not a drill). You don’t need any special tools other than the screwdriver. There is a 12-volt power adapter with a 6-foot cord that plugs into the unit.

Is it loud? Let me put it this way: you can hear it in the other room, but it isn’t loud enough to bother me when I am in the room and it is running. I think it is one of those things that might take some people some time to get used to, but once you get used to it, you don’t really notice it anymore.

Do you recommend it? I recommend it to people who have a “problem room” that is difficult to cool or warm. I believe people who purchase one will be more comfortable in their room and enjoy it more. After all, the whole point of having a house is to enjoy living in it, right? 🙂

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About Ryan Guina

Ryan Guina is the founder and editor of Cash Money Life. He is a writer, small business owner, and entrepreneur. He served over 6 years on active duty in the USAF and is a current member of the IL Air National Guard.

Ryan started Cash Money Life in 2007 after separating from active duty military service and has been writing about financial, small business, and military benefits topics since then. He also writes about military money topics and military and veterans benefits at The Military Wallet.

Ryan uses Personal Capital to track and manage his finances. Personal Capital is a free software program that allows him to track his net worth, balance his investment portfolio, track his income and expenses, and much more. You can open a free account here.

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  1. Ryan says


    Wiring a cord is definitely the safer and more visually appealing way to install the fans. They also make fans that go inside the vents, but they cost more than the type of fan I have.

  2. cary rand says

    plant a tree. they keep a house cool. east side is good if possible. makes a big difference
    and also helps clean he air. i had a huge tree east side at two houses lived in, saved big time in northeastern us. simple and it works.

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