Heat Pump Not Heating Up: Causes & Fixes


When your heat pump doesn’t heat up as expected, it can be a frustrating experience, especially during the cold winter months. There can be many reasons why your heat pump isn’t heating up, and it’s important to understand them in order to find the right solution.

In this blog post, we’ll discuss the common causes of heat pump failure and provide practical fixes to help keep your home warm and comfortable.

For professionals who can help with your heat pump problems, check out Hurliman Heating & Air Conditioning.

How does a heat pump work?

Before we dive into the causes and fixes, let’s first understand how a heat pump works. A heat pump is a type of HVAC system that functions by transferring heat from one area of a home or business to another, using electricity as its power source.

During the colder seasons, it takes heat from outside and moves it inside to warm up your home. In warmer months, it reverses this process to cool down your home.

Common causes of heat pump failure

There are several reasons why your heat pump may not be heating up properly. Some of the most common causes include:

  • Dirty or clogged air filters: Over time, air filters can become clogged with dirt and debris, restricting airflow and hindering the heat pump’s performance.
  • Refrigerant leaks: Low refrigerant levels can prevent the heat pump from properly heating your home.
  • Damaged or faulty components: Any damage to the heat pump’s components, such as the compressor or condenser, can lead to failure.
  • Thermostat issues: A malfunctioning thermostat can cause the heat pump to turn on and off at irregular intervals or not provide enough power for heating.
  • Frozen coils: When the outside temperature drops too low, the heat pump’s coils can freeze, preventing proper heating.

Practical fixes

To ensure your heat pump is functioning at its best, here are some practical fixes you can try:

  • Replace air filters: Regularly replacing the air filters can improve airflow and increase the efficiency of your heat pump.
  • Check refrigerant levels: If you suspect a refrigerant leak, it’s essential to contact a professional HVAC technician to inspect and repair any leaks.
  • Schedule maintenance: Regular maintenance by a certified HVAC technician can help prevent and address any potential issues with your heat pump.
  • Upgrade to a smart thermostat: A smart thermostat can help regulate the temperature in your home more efficiently, saving energy and reducing strain on your heat pump.
  • Thaw frozen coils: If your heat pump’s coils have frozen, turn off the unit and allow them to thaw before turning it back on.

Knowing causes and fixes can help

When faced with a heat pump that’s not heating up, it’s essential to consider these common causes and implement practical fixes to get your heat pump back in working order. However, it’s always best to consult a professional HVAC technician for any significant repairs or maintenance needs.

Remember, maintaining your heat pump regularly is the key to ensuring it runs efficiently and keeps you warm during those cold winter months. So don’t wait until there’s an issue; schedule regular maintenance to keep your heat pump in top shape.

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I am Jessica Moretti, mother of 1 boy and 2 beautiful twin angels, and live in on Burnaby Mountain in British Columbia. I started this blog to discuss issues on parenting, motherhood and to explore my own experiences as a parent. I hope to help you and inspire you through simple ideas for happier family life!


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