What Makes A Heat Pump Run Constantly?
If your heat pump is constantly running, don’t wait to take action. Not only can this issue result in high monthly energy bills, but it can also shorten your unit’s lifespan due to the extra stress. Let’s take a look at some of the most common things that can cause a heat pump to run continuously.
Setting the Thermostat Incorrectly
It’s important that your thermostat is programmed correctly. If the temperature is set too low during a summer heatwave, there’s a good chance your HVAC system will need to work overtime. In an effort to keep up with the extra demands, the heat pump will likely run continuously.
While traditional thermostats are budget-friendly, a modern smart thermostat can do an even better job of regulating your home’s temperature. This means it can actually save you money in the long run.
Dirty Air Filter
Routinely changing your air filter is among the most important aspects of HVAC maintenance. It’s also one of the easiest tasks you can do. To perform at its best, a heat pump needs a reliable source of fresh air. When the filter media becomes too dirty, don’t expect your unit to operate as efficiently.
During peak AC season, it’s a good idea to change your air filter monthly. Because filters are so cost-effective, replacing them more frequently won’t hurt your wallet.
Drafts
Even if your HVAC system is well-maintained, drafts can still cause the unit to work harder than necessary. Even seemingly small cracks can allow outside air to creep inside. This is why it’s important to check for damaged weather stripping around windows and doors. You should also inspect outdoor electrical outlets, floor joints, and utility entry points, such as cable and plumbing penetrations, for gaps.
It’s just as important to properly insulate your home. For your HVAC system to maintain a stable indoor temperature, there needs to be sufficient insulation in the walls and attic.
Refrigerant Issues
Refrigerant is essential for transferring heat between indoor and outdoor units. When the refrigerant level becomes too low, it’s only a matter of time before your HVAC system begins to experience performance issues. A heat pump is engineered with a sealed, closed-loop system, which means it should never experience a loss of refrigerant. If it does, there’s definitely a leak somewhere in the system.
A licensed HVAC technician can recharge your unit and get your system back up and running. However, adding refrigerant without addressing the leak is only a temporary fix. Proper repairs are necessary to prevent the issue from recurring.
Mechanical Issues
Over time, various HVAC components are prone to malfunctioning, causing the heat pump to run continuously. It’s not uncommon for the condensate pump to become clogged. The built-up slime will ultimately need to be flushed out. Start capacitors, defrost control boards, and blower motors can also fail.
Keep your ears open for any unusual sounds. Screeching, grinding, and banging noises can all point to an underlying mechanical issue. Remember, regularly scheduled maintenance can help prevent many of these problems.
Frequently Asked Questions
Is it normal for a heat pump to run all day?
A heat pump may run longer during extreme temperatures to maintain a comfortable indoor environment. However, if it seems to run constantly without reaching the desired temperature, there may be an underlying issue that needs attention.
Can a dirty air filter cause a heat pump to run continuously?
Yes. A clogged air filter restricts airflow, making it harder for your heat pump to heat or cool your home efficiently. This can cause the system to run longer than normal.
How often should I change my heat pump’s air filter?
Most homeowners should check their air filter monthly and replace it as needed. During periods of heavy use, such as summer or winter, monthly replacement is often recommended.
Will a refrigerant leak cause my heat pump to run nonstop?
Yes. Low refrigerant levels reduce your heat pump’s ability to transfer heat effectively, forcing it to run longer cycles. A professional HVAC technician should inspect and repair any refrigerant leaks.
When should I call an HVAC professional?
If you’ve checked your thermostat settings, replaced the air filter, and addressed any obvious drafts but your heat pump is still running continuously, it’s time to schedule a professional inspection before the weather gets extreme. A technician can diagnose mechanical problems and restore your system’s efficiency.
If you’re dealing with a constantly running heat pump or any other HVAC issue, give us a call. We are committed to providing professional service. You can trust our skilled technicians to get the job done right. We’re on time, or you don’t pay a dime.
