How do I make my AC more cooler?

Author: Amir Kreiger IV  |  Last update: Tuesday, June 10, 2025

Replace an old air conditioner.
  1. Clean/Change the Air Filter. ...
  2. Conduct Regular AC Maintenance. ...
  3. Use Blinds or Heavy Curtains. ...
  4. Check the Air Seal. ...
  5. Use Fans. ...
  6. Check Thermostat Placement. ...
  7. Set Thermostat to a Constant Lower Temperature. ...
  8. Prevent Short Cycling.

How do I make my AC unit colder?

The answer to how to make your air conditioner run colder comes down to a few simple DIY steps.
  1. Keep the outdoor condenser coil clear of dust and debris. ...
  2. Put in a new air filter every month during the cooling season. ...
  3. Find and fix air leaks in your home.

How can I increase my AC cooling?

9 Ways to Maximize Your A/C Efficiency
  1. Seal A/C Ducts. ...
  2. Raise the Thermostat. ...
  3. Install a Programmable Thermostat. ...
  4. Insulate and Weatherize. ...
  5. Check and Change Filters. ...
  6. Install Your Room A/C in the Shade. ...
  7. Keep Your Compressor Cool and Clean. ...
  8. Get Annual Inspections.

Is 72 too cold for AC in summer?

Since 72 degrees is generally agreed upon to be an ideal indoor temperature, most people would probably still feel comfortable setting their AC units slightly higher than this, perhaps at around 75.

How to get maximum cooling from AC?

Use your air conditioner efficiently
  1. Close windows and doors. Always close windows and doors when using an air conditioner to keep the indoor temperature stable. ...
  2. Keep the set temperature stable. ...
  3. Get ahead of the heat. ...
  4. Clean the filters. ...
  5. Take care of your outdoor unit.

How to make air conditioner AC at home using PVC pipe and foam container-fan #diy at home

Why won t my AC get colder than 72?

Your AC might not cool properly due to thermostat issues, an undersized unit, or extremely high outdoor temps—so check those first. Keep an eye on airflow—replace clogged filters every 3 months, and make sure vents and ducts aren't blocked for efficient cooling.

How do I set my AC to cool mode?

Press the Mode button and select Cool. Step 2. After selecting Cool mode, you can also select the desired function, temperature, and fan speed as well. To cool more quickly, select a lower temperature and a faster fan speed.

How cool should my house be if it's 100 outside?

For many of us, 70 degrees is the ideal indoor temperature, but when it is close to 100 degrees outside, your AC unit will be working quite hard to meet these expectations. Consider setting your thermostat at 75 degrees to 80 degrees in your home if the outside temperature is approaching triple digits.

Should my thermostat be on run or hold?

The best way to save money is by combining both. The “run” feature lets you preset the temperature when you're not home to prevent wasting money on cooling or heating an empty home. Meanwhile, the “hold” button lets you change the room's temperature without changing your energy-saving, preset schedule.

Is 78 too hot for a house?

Quick answer: The ideal house temperature is room temperature, which ranges from 68 to 78 degrees F, though this may vary from season to season. In winter, the average room temperature is generally 62 to 68 degrees, whereas in the summer, the average temperature is 72 to 78 degrees.

How do I fix my AC not cooling enough?

To fix an AC not blowing cool air, ensure the thermostat is set to "cool" mode and the temperature is set lower than the current room temperature. Inspect the air filter as a dirty filter can restrict airflow. Ensure the condenser coils are clean and free of debris. Make sure vents are open and unobstructed.

Which mode in AC gives the best cooling?

Cool mode

This is the most common and usually the default setting when you first turn on the AC. This mode sends cool air throughout your room and is great for cooling down an area after a long, hot day.

Does turning the AC higher make it colder?

Most people know that turning up the thermostat on their air conditioner to a higher temperature will result in cooler air blowing from the vents. However, there is a point at which increasing the temperature any further does not make the air cooler – it just uses more energy and costs more money.

What number is the coldest on AC?

Most residential AC units can cool air to around 60-65°F (15-18°C), which is considered comfortable for indoor settings. However, specialized industrial or scientific systems can reach lower temperatures, potentially going as low as -60°F (-51°C).

Should I put a fan in front of my air conditioner?

Here's a question we hear often from those who brave the humid Atlanta weather: “Should I run my air conditioner with a ceiling fan?” Answer: You can— and should— run your A/C and ceiling fan together. Doing so can help lower your cooling costs each month, but only if you're using them right.

Why is my AC not cold or cool?

If your central AC is not blowing cold air, the refrigerant may be the problem. The unit could be running low and need additional refrigerant added. The most likely cause of this is a leak. A leak not only keeps the AC unit from cooling properly, but also it can cause other issues within the home.

What does the hold button do on AC?

If your A/C is normally off during the day, do you have to reprogram your entire week to accommodate a temporary change of plans? Nope! This is where the “Hold” button on your thermostat comes into play. By pressing “Hold”, your thermostat will lock in the temperature it's currently at until you change it again.

What should thermostat be set on auto or on?

If you're looking for more efficient flow, keep your thermostat mode set to “auto” and add ceiling fans to each room to help the air circulate better around the home. This will help keep your energy bill lower and help reduce the amount of energy you're using, which is better for the environment!

How cool should my house be if it's 110 outside in summer?

The California Energy Commission recommends that homeowners set their thermostat to 78 degrees when they're home and 85 degrees when they're away from home during the summer.

How long should it take to cool a house from 80 to 72?

Cooling a house from 80 to 72 degrees is a common goal for many, especially during the peak of summer. On average, this process takes roughly two and a half to three and a half hours.

What is a good house temp for AC?

Setting your air conditioning to 72°F is generally considered a comfortable indoor temperature for many people. It strikes a good balance between comfort and energy efficiency, making it a popular choice for residential settings.

What mode makes AC colder?

Cooling mode is the most frequently used setting on air conditioners, represented by a snowflake symbol. It works by removing heat from the indoor air and expelling it outside, thereby lowering the room temperature.

Why is my AC running but not cooling?

There are a number of reasons why your air conditioner might be running but not cooling. It could be an issue with the thermostat, the compressor, or the evaporator coils. Or, it could simply be clogged with dust and debris, which is preventing it from working properly.

How do I make my AC colder?

One of the easiest ways to make your air conditioner colder is to change your filters regularly. A dirty filter will block airflow and cause your AC unit to work harder, making it hotter. Make sure you replace your filters every month or two, depending on how often you use your AC.

Previous article
How much does it cost to put Freon in a central unit?
Next article
How much to replace plumbing in an old house?