What to Do When Your Heater Can’t Keep Up in the Winter

Two strobel hvac workers providing maintenance to a local hvac unit

Winter in Northern Idaho can be brutal. As temperatures drop, you depend on your heating system to keep your home warm and comfortable. But what happens when your heater can’t keep up with the cold? If your system is struggling to maintain the desired temperature, it’s essential to understand the potential causes and how to address them. In this blog, we’ll explore why your heater may be underperforming and provide solutions to help restore its efficiency.

Common Reasons Why Your Heater Can’t Keep Up

Old or Inefficient Heating System

One of the most common reasons for a heater’s poor performance in the winter is age. Like any other appliance, heating systems have a lifespan. Older units, especially those that haven’t been regularly maintained, often lose efficiency over time. As they age, components wear down, which can cause the system to struggle to produce enough heat, especially during extreme cold spells.

Older systems may also have outdated technology, making them less energy-efficient compared to modern systems. If your furnace is over 15 years old, it may be time to consider an upgrade. Energy-efficient HVAC systems are designed to handle colder temperatures more effectively and can reduce your overall energy bills.

Incorrectly Sized Heater

Another factor that might be contributing to your heater’s inefficiency is its size. Heaters are not one-size-fits-all; they need to be appropriately sized for the square footage of your home. If your system is too small for the space it’s trying to heat, it will struggle to keep up with demand, especially during peak cold periods. This can lead to a constantly running system that never quite reaches the desired temperature.

Ensuring that your heating system is correctly sized is crucial to maintaining a comfortable home environment. HVAC professionals use a process called a Manual J load calculation to determine the correct size of the system needed for your home. This process factors in the size of your home, the number of windows, insulation levels, and more. If your heater isn’t properly sized, it’s worth having a professional evaluate your system to ensure it’s fit for your home.

Clogged Filters and Airflow Problems

Airflow plays a critical role in your heating system’s ability to warm your home. Clogged air filters and obstructed ducts can significantly reduce the amount of warm air being circulated throughout your home. Dirty filters block airflow, causing your system to work harder than necessary to maintain temperature. This strain on the system can also shorten its lifespan, leading to more frequent repairs and higher energy bills.

To avoid these problems, replace your filters regularly. Most HVAC experts recommend changing filters every 1-3 months, depending on your system and usage. In addition to filters, it’s essential to inspect and clean your ductwork. Dust, debris, and even pests can cause blockages, restricting airflow and reducing the overall efficiency of your system.

Solutions to Help Your Heater Keep Up in the Winter

Regular Heater Maintenance

Prevention is always better than cure. One of the best ways to ensure your heater performs well during the winter is to schedule regular maintenance. Annual furnace tune-ups by an HVAC professional can catch small issues before they become costly problems.

During a tune-up, a technician will clean and inspect the critical components of your system, ensuring everything is working correctly. This includes checking the heat exchanger, blower motor, thermostat, and more. By addressing potential issues early, you can prevent breakdowns during the coldest months and keep your system running smoothly.

Additionally, performing your own maintenance, such as regularly changing air filters, is an easy way to improve your system’s efficiency. Keeping vents clear of obstructions like furniture and curtains also promotes better airflow, allowing your system to heat your home more effectively.

Seal Air Leaks and Improve Home Insulation

Even the most efficient heating system can’t perform well if your home is losing heat due to poor insulation or air leaks. Drafty windows, doors, and poorly insulated attics can allow warm air to escape, forcing your heater to work overtime to maintain a comfortable temperature.

To maximize the efficiency of your heating system, consider taking steps to winterize your home. Begin by sealing any cracks or gaps around windows and doors with weatherstripping or caulking. Insulating your attic and walls can also prevent heat loss, helping your home retain warmth. Additionally, installing insulated window coverings can reduce heat loss through glass windows.

By improving your home’s insulation and sealing air leaks, you can reduce the workload on your heating system and enjoy a more consistent indoor temperature. These steps not only help your heater keep up but also reduce your energy bills.

Upgrade Your Thermostat

If you’re still using a manual thermostat, upgrading to a smart or programmable thermostat can make a big difference in how well your heating system performs. Smart thermostats allow you to set heating schedules that match your daily routine, ensuring your home is warm when you need it and conserving energy when you don’t.

Many smart thermostats also have features that learn your preferences and adjust temperatures automatically based on the weather, optimizing your heating system’s efficiency. This not only makes it easier for your heater to keep up with cold temperatures but also saves you money by avoiding unnecessary heating.

Signs You Need a Professional

Sometimes, despite your best efforts, your heater may still struggle to keep up, and it’s crucial to know when to call a professional. Here are some signs that indicate it’s time to reach out to an HVAC expert:

  • Your heater runs constantly: If your heater is running non-stop without reaching the set temperature, this could signal a mechanical issue or a system that’s too small for your home.
  • Uneven heating: If some rooms are warm while others remain cold, this could be due to problems with your ductwork, thermostat, or the system’s ability to distribute heat evenly.
  • Strange noises: Banging, rattling, or squealing sounds from your heater are often signs of a malfunctioning component that needs repair.
  • Unexplained increase in energy bills: If you notice a sudden spike in your heating costs, your system may be working inefficiently due to a mechanical issue or improper airflow.

If you experience any of these issues, it’s best to call a licensed HVAC technician to diagnose and fix the problem before it worsens.

Emergency Heating Services in Northern Idaho

When your heater can’t keep up during a particularly cold spell, you need fast and reliable service to restore comfort to your home. At Strobel Custom Heating and Air, we understand the urgency of winter heating problems and offer 24/7 emergency HVAC repair services to ensure your home stays warm, no matter the weather.

Whether it’s a minor repair or a full system replacement, our team of experienced technicians is ready to help. We prioritize quick response times and high-quality service, so you can trust that your heating system will be back up and running in no time.