When summer finally arrives in New England, there’s nothing better than stepping into a comfortably cool home. Your heat pump or mini split should be your best ally against the heat—but if you’re feeling warm air instead of relief, it’s easy to get frustrated. Don’t worry, you’re not alone! Most cooling issues can be solved quickly with the right troubleshooting steps.
At Kearney HVAC, we know how important reliable home comfort is during our unpredictable summers. Whether you’re dealing with a minor problem or a bigger system issue, our team is here to help you get back to cool, efficient comfort as soon as possible.
Below are the most common reasons your heat pump isn’t cooling—and what you can do to fix them.
Reasons Your Heat Pump Is Blowing Warm Air
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- Incorrect Thermostat Settings
Double-check that your thermostat is set to “cool” and the temperature is set to your specific needs. - Dirty Air Filter
Replace your air filter every 60–90 days to keep your heat pump running efficiently. - Dirty or Blocked Outdoor Unit
Gently clear away debris and keep the area 2 feet around the unit tidy for best results. - Low Refrigerant
Low refrigerant levels are often due to leaks that require a professional HVAC technician for safe repair and recharging. - Dirty Coils
If your system’s coils are coated in dust or grime, professional cleaning can restore cooling performance. - Faulty Reversing Valve
A malfunctioning reversing valve can keep your system stuck in heating mode and needs professional repair. - Ductwork Leaks
Leaky or blocked ducts can let cool air escape, so sealing and cleaning ducts can offer significant benefits.
- Incorrect Thermostat Settings
Repair or Replace? Solutions for a Heat Pump Blowing Warm Air
If your heat pump is blowing warm air, the right solution depends on the cause and the age of your system. Some problems are easy to fix on your own, while others require professional attention or may signal it’s time for an upgrade.
- DIY Fixes
Homeowners can often handle basic troubleshooting like checking thermostat settings, replacing air filters, and clearing debris from the outdoor unit. - Professional Repairs
If you suspect a more serious problem, it’s time to call Kearney HVAC. Our mini split repair and heat pump repair services cover all brands and models. - Consider Replacement
If your heat pump is over 15 years old, needs frequent repairs, or is no longer efficient, upgrading to a new ductless mini split or high-efficiency heat pump may be the best long-term solution. Kearney HVAC can help you qualify for valuable incentives, like Mass Save® rebates or NHSaves® incentives to make your upgrade more affordable.
Why Choose Kearney HVAC?
Kearney HVAC has been serving the North Shore, MA and Seacoast, NH areas since 2010. Our NATE-certified technicians offer expert mini split and heat pump repair, replacement, and maintenance. From installation to preventative maintenance, Kearney is on your side. We pride ourselves on honest advice, quality workmanship, and solutions tailored to your home’s unique needs, so you can enjoy reliable comfort all year long.
