Skip to Content
This post may contain affiliate links. Please see our full disclosure policy for details.

Why is My House so Cold? 10 Reasons Your Home is Colder

Why is my house so cold?

There are several reasons why your house might be cold in the winter. The most common reasons are that you’re not heating it enough or the heat is escaping one way or another. Check these areas before anything else to find out if this is causing your home to feel chilly!

 

Poor Furnace Isn’t Pumping Out Heat

A furnace, heat pump, radiators, or HVAC system that isn’t pumping out heat is usually caused by a bad heating element, a break in the gas line, or some other type of fuel source interruption. If your home isn’t getting warm, you need to get someone out there right away to take care of it!

As furnaces age, they’re less likely to work at keeping your home warm. Older furnaces are less efficient than current models and use more energy while at the same time producing less heat.

Goodman 80,000 BTU 96% Efficiency Upflow, Horizontal Gas Furnace Model GMES960803BN

Poor insulation

One of the most common reasons why your house might be cold in the winter is because it doesn’t have enough insulation. This can be the case of freezing floors, cold walls, or warmth sucking windows.

A home’s insulation is a key ingredient to keeping the house the same temperature.

If there’s no insulation in the attic, for example, the warm air from the Furnace will escape and the house will be colder as a result.

You can fix this problem by adding insulation yourself, or by hiring a professional to do it for you. This escaping heat through the ceiling can cause more humidity in the attic and cause ice damming. So it’s worth fixing soon.

Another reason for the cold temperatures in the house might be a poor insulation problem in the walls or crawl space. An easy way to tell is to put your hand on an outside wall. If you have cold walls, it’s likely that your insulation needs replacing or adding more. The same goes for the crawl space.

This can be fixed by adding insulation yourself, or by hiring a professional to do it for you. Adding just the right amount of insulation is a good way to save money on your energy bill, and it will help keep your house warm in the winter. Ask an expert and make sure you have a good R-value of insulation that will help you out a lot in the colder months. It will also keep the cool in on the warmer months too.

 

Zoned Heating Issues

A zoned heating systems can also cause a room to be colder or the whole house, depending on how it is set up.

If you’re using a zoned system and one of the zones is not working properly, it can cause the rest of the zones to work harder to heat the house, or the exact opposite depending on where the thermostat is located.

This can cause oddly cold rooms in the house. You might need to have someone come out and fix the zone that’s not working properly, or you might need to upgrade your zoned heating system altogether.

If you are using a zoned heating system, make sure you have it in the colder rooms of a house and then adjust the rooms as needed.

 

Outside doors

Suptikes 2 Pack Door Draft Stopper,Door Sweep for Exterior & Interior Doors,Door Bottom Seal Dust and Noise Insulation Weather Stripping Draft Guard Insulator, 1-4/5" W x 37" L,White

When you have a cold house it’s because heat is escaping or cold air is getting in. They are really two sides of the same coin. If you have heat loss in one specific room, it could be the outside door.

One of the most common reasons why a room might be cold is because the door to that room is open. When the door is open, the warm air from other parts of the house escapes, and the room becomes colder as a result. You can fix this problem by making sure that all of the doors in your house are firmly shut when you’re trying to heat it up.

Another reason why a room might be cold is that the door has a hole in it or poor insulation. If there’s a hole in the bottom of your door, mail slots, or a gap in the weather stripping, you might notice a draft coming from the bottom of the door.

This will make your house colder and you’ll have to use more energy to heat up all of the rooms. You can fix this problem by adding new weather stripping to your door, or by replacing it with a newer door.

 

Ducts Need Cleaning

 

Dirty ducts can cause rooms in your house to be cold because the air can’t circulate properly throughout the entire house.

This means that the furnace has to work harder to heat up the room, and it will be colder as a result. You can fix this problem by cleaning your ducts yourself, or by hiring a professional to do it for you.

Cleaning your ducts and all the vents is a good way to save money on your energy bills, and it will help keep your house warm in the winter.

 

Humidity is too high

This one tricks most homeowners. If your house is the same temperature year-round, then you shouldn’t feel any cooler or hotter. But humidity levels change all of that. 

A high humidity level can cause rooms in your house to be cold because it makes it harder for the Furnace to heat up the air. 

When the humidity level is high, the air is more saturated and it can’t hold as much heat. This means that you’ll have to use more energy to heat up the room, and it will be colder as a result. You can fix this problem by lowering the humidity in your house, or by using a dehumidifier.

 

Windows are old

If your windows are old, they might not be able to keep the heat in your house. When the windows are old, they might not have any insulation and they might be drafty.

This means that the warm air from the Furnace will escape out of the window, and the room will be colder as a result.

You can fix this problem by replacing your old windows with new windows. New windows will help keep the heat in your house, and they’ll also help lower your energy bills.

Look for triple-pane windows. While this may be an expensive upgrade to your house it can improve resale value later on.

 

Windows are letting in cold

Even with the best windows, they are still a pane of glass, and there will be some cooler air coming through.

You can trap colder air coming by installing some heavy blinds. The only thing to be concerned about is that the cold air and hot air can cause condensation on the windows. In extremely cold weather, that condensation can turn to ice. To avoid this make sure you open the blinds daily to let the moisture escape.

 

Thermostat location

In order to keep your house from being cold in the winter, it’s important to make sure you’re heating it properly, checking for holes in the walls and insulation in the attic.

In addition, be sure all of your windows and doors are closed. You should also make sure that your thermostat is in the right spot. If it’s too close to an outside wall, like near a window or patio door, it will read the colder temperature outside instead of inside where you actually want the heat.  

If you live in a two story home and the thermostat is in the upstairs lobby, then the rest of the house may be cooler because of the airflow and heat rising.

You can fix this problem by moving your thermostat ​to a different location or by buying a programmable thermostat.

 

Vents are closed

If you have your vents closed, it’s likely because you’re trying to save money on your energy bills. However, if you close the vents in certain rooms, it can actually make the house colder.

This is because when the vents are closed, the air can’t circulate properly and the Furnace has to work harder to heat up the room.

You can fix this problem by opening the vents in all of the rooms in your house, or by using a fan to improve circulation. In theory, vents closed can save money on heating expenses but it can make a cold room colder.

 

Heating System Is Inadequate to Cover the Whole Home

If your home HVAC unit is not adequately heated, certain rooms may be colder than others. This can be due to a number of factors, but one of the most common is that the heating system is not large enough to cover the entire home.

If your home is too large for the heating system, it will struggle to keep all of the rooms at a comfortable temperature.

As a result, some rooms will be warmer than others, and the coldest ones will be the most uncomfortable. You can combat this issue by installing a larger heating system that is better suited to your home’s size. This will ensure that every room is heated evenly and to your desired temperature.

It’s important to consult an expert and make sure your heating system is configured correctly.

 

Your Ducts Need Repairing

If your ducts are old, dirty, or damaged, then you might need to get them repaired before you can heat up your house properly.

Dirty air won’t heat up as quickly because contaminants in the air reduce the ability for heat to transfer. Make sure you clean all your registers and if there are any holes or cracks in them, get these fixed too.

Repairing ducts can be an easy thing to do, when you get the annual inspection of your Furnace, ask if they notice any leaks and then cover them up with foil faced duct tape. This will prevent heat escaping in the ductwork and make the house feel warmer.

 

Leaky Ductwork

Leaky ductwork can cause your house to be cold in the winter. When the ducts are leaky, it means that the warm air from the Furnace is escaping out of the ducts and into the attic or garage. It can also prevent the heat from reaching all the rooms in a house and make it colder in some rooms of the house and warmer in others. This heat loss will make your furnace work harder to heat up the house, and it will be colder as a result.

You can fix this cool air problem by repairing the leaky ducts. This can be a difficult and expensive task, but it’s worth it if you want to keep your house warm in the winter. You can also prevent leakage by using duct tape or sealant to make sure the ducts are tightly sealed. It’s important to plug up these air leaks for optimal heat delivery.

 

High Ceilings

Heat rises, which means that if you have higher ceilings in some rooms of your house, these will be the coldest ones. This is because the heat from the Furnace rises high enough and gets trapped in the higher parts of the ceiling.

You can resolve this issue by getting some insulation installed in your attic and installing a ceiling fan.

 

Your Furnace Needs Inspection

If you’re experiencing cold rooms in your home, the first thing you should do is check your Furnace. A furnace that’s not working properly can cause rooms to be cold, and it’s important to have it inspected by a professional to make sure it’s in good shape.

If you’re getting cold rooms on all floors of your home, you may want to pay a visit to your Furnace and check for any cracks or holes that could be letting in the cold air.

 

Why is one room so cold in my house?

There are a few different reasons why one room in your house might be cold while the others are warm. One common reason is that there’s a hole in the wall letting in cold air, or the window is not sealed properly.

Another possibility is that there’s no insulation in the attic or walls, so the heat inside is escaping up to the roof. If you can’t find an obvious reason why one room is cold, it might be worth checking your Furnace to make sure it’s working properly.

 

Air filters need replacing

If your Furnace is running properly but your house is still cold, it’s possible that the air filter needs to be replaced. Filters that are clogged with dust and dirt can prevent the Furnace from working correctly, which will cause the house to be cold. 

It’s a good idea to check the filters every month or so to make sure they’re not clogged, and to replace them if they are. This can also improve air quality in the house and is worth cleaning or switching them every 3-6 months of the year.

 

The ceiling of the garage is not insulated

If you have an attached garage, it’s important to make sure the ceiling is insulated properly. If it’s not, the heat from your house will escape to the garage, and your whole home will be cold.

There are a few ways to insulate the ceiling of a garage. One option is to install foam panels, which are easy to install and are very effective at keeping the heat in. Another option is to install fiberglass batting, which is less expensive than foam panels but doesn’t perform as well.

Whichever option you choose, it’s important to make sure the insulation is installed properly so that it can do its job!

 

Why is my house so cold? Final thoughts

There can be many reasons why your house is cold in the winter. The most common are that you’re not heating it enough, there’s a hole in the wall, or there’s no insulation in the attic. Check these areas before anything else to find out if this is what’s causing your home to feel chilly!

This post may contain affiliate links which go towards keeping this site running. Please see our Disclaimer and Privacy Policy for more. We are a member in the Amazon Affiliate Program. Thank you for your support!