Why does my apartment get cold so fast?

Author: Dr. Arlo Langosh  |  Last update: Monday, October 13, 2025

You have insufficient insulation. Your house and attic insulation can wear down over time. Your house also may have hidden attics that aren't properly insulated or uninsulated garage walls that are attached to your home, and this can cause problems with heat escape, unwanted airflow, and drafts.

Why does my apartment get so cold?

If you have a heating system it may not be turned on or be able to get to your room properly. There's also probably places where heat is escaping your room into the cold outside. Could be a window that just isn't fully closed, some other opening, or maybe just the insulation in your window and walls are bad.

Why does my house get cold so quickly?

A common reason for a cold house is often insufficient insulation. Insulation serves as a barrier, preventing heat from escaping and cold air from entering. In homes with inadequate insulation, this thermal barrier is compromised, resulting in heat loss and difficulty retaining warmth.

How can I make my cold apartment warm?

Keep your doors closed for rooms you aren't occupying, hang a blanket or sheet to section off other large openings. Candles also go a surprisingly long way toward heating a small space.

Why does my apartment not stay cool?

CHECK YOUR INSULATION AND DUCT WORK

If your apartment is poorly insulated, heat will transfer more easily into your living space. Check the insulation in your attic and walls to make sure it is adequate. If not, consider adding more insulation to help keep your apartment cooler.

How To Keep a Poorly Insulated House Warm: Ingenious Ideas

How to fix AC in apartment not cooling?

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.

Why is my apartment so hot even with the AC on?

This problem can be caused by a variety of factors, such as insufficient insulation, a damaged AC system, or ventilation issues. Fortunately, there are ways to address these issues that can not only boost your comfort but also lower your energy bills.

How do I prepare my apartment for extreme cold?

We're talking things like:
  1. Putting in draft guards.
  2. Sealing / insulating your windows.
  3. Covering exposed floors and walls.
  4. Switching over to winter bedding.
  5. Breaking out the boot tray and/or humidifier.
  6. Giving your first aid kit an upgrade.

How to heat an apartment cheaply?

10 Tips to Save on Heating Costs in Your Apartment
  1. Seal Windows and Doors to Prevent Heat Loss. ...
  2. Use a Smart Thermostat. ...
  3. Maximize Insulation with Rugs and Curtains. ...
  4. Furniture Layout: Ensure Proper Airflow. ...
  5. Lower Water Heater Temperature to Save More. ...
  6. Utilize Sunlight for Natural Warmth.

How can I cool my apartment without AC?

13 Tips to Keep Your Apartment Cool in the Summer
  1. Position your fans strategically.
  2. Set your ceiling fans to rotate counter-clockwise.
  3. Turn on your built-in exhaust fans.
  4. Block incoming sunlight.
  5. Apply window films.
  6. Improve your insulation.
  7. Reduce the use of hot appliances.
  8. Open your windows at night.

Why is my apartment colder than outside?

Poor insulation: If your home isn't properly insulated, heat can escape through the walls, attic, or floors, making it harder to keep your house warm. Leaky ductwork: Damaged or unsealed ducts can leak warm air, reducing the efficiency of your heating system and causing cold spots around your home.

Why is my apartment drafty?

The most frequent cause of a drafty home is improper air sealing and leaks from your doors and windows, says Josh Lake, co-founder at Elephant Energy. “This is especially true in older homes where windows and doors can warp, creating gaps that allow cold air to leak in,” he says.

Do top floor apartments get cold?

During the winter, your top-floor apartment is cold. However, it is likely hotter in the summer months than other parts of the building. The good news is that you can take steps to keep it cool.

How cold is too cold in an apartment?

But don't take it from us, take it from the World Health Organization: They recommend a temperature of at least 64°… and raising that to at least 70° if there are babies, elderly people, or otherwise immunocompromised people in the home.

Can a cold apartment make you sick?

“You can't get sick from being cold in general, whether you're outside or inside,” Fecher says.

How can I make my apartment feel cooler?

How to Keep an Apartment Cool Without Air Conditioning
  1. Use fans correctly. ...
  2. Close the shades during the day. ...
  3. Create a homemade solar reflector. ...
  4. Cook outside. ...
  5. The homemade air cooler. ...
  6. Put your pillow in the freezer. ...
  7. Drink lots of cold water. ...
  8. Take a cold bath or shower before bed.

Why won't my apartment stay warm?

Improper Insulation

No matter how efficiently your heating system runs, if your home isn't well-insulated, that precious warm air will escape quickly. Check your windows, doors, and attic spaces to ensure they're properly sealed and insulated.

What is the cheapest temperature to keep your apartment at?

As we talked about above, keeping your home between 62 – 72 at all times will be the best solution. In fact, having a period of a lower temperature (about 8 hours) at night when you're tucked up in bed (or when you're out at work during the day) could help you reduce your heating bill by as much as 15%.

How do I make my apartment warmer?

Try these winterization ideas to keep warm air in and cold air out:
  1. Insulate the apartment windows. ...
  2. Install thermal curtains. ...
  3. Change the ceiling fan's direction. ...
  4. Pick up a few door sweeps. ...
  5. Insulate walls for heat. ...
  6. Get thick floor coverings.

Why is my apartment always so cold?

Many cold apartments suffer from insufficient insulation, allowing heat to escape through walls, roofs, and floors. This problem is particularly common in older buildings. An energy audit can reveal areas where insulation is lacking or has deteriorated over time, providing a clear roadmap for necessary upgrades.

What temperature do pipes freeze in an apartment?

Winter may still bring in cold spells and when the temperature drops below 20°F, you need to keep pipes from freezing. A lot of damage can be sustained if you have frozen pipes in condos, houses, and other properties in your homeowners association (HOA).

Should you drip your faucets in an apartment?

So, whether you live in a house, condo or apartment, the advice remains the same: Drip your faucets. Fabian Pecina, manager at L&P Plumbing, said he expects he'll see more leaks, a sign of burst pipes, this time around. “It's always the overnights that are the worst of it,” he said.

Why is my AC not cooling my apartment?

Your ac not cooling your house correctly could be caused by a few things, including: Insufficient insulation and air leaks in your house. A worn-out AC system that needs replacing. A thermostat that needs recalibration.

How hot is too hot for an apartment?

In general, 80 degrees is too hot for a house if people are inside. However, if people aren't home during the day or for vacation during the summer, an indoor temperature of 80 degrees can save energy until you return and lower the temperature.

How to insulate an apartment for summer?

Window treatments are essential in managing apartment temperatures. Employing thermal drapes or cellular shades can block sunlight efficiently. These treatments provide insulation, keeping interiors cool during hot weather. In colder months, they can be opened to invite warmth from direct sunlight.

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