7 Signs Your HVAC’s Refrigerant is Leaking
Krystle Hartmann • July 25, 2025
The refrigerant in your HVAC system plays a crucial role in cooling your home efficiently. However, leaks can compromise system performance and pose environmental and health hazards. If you're a homeowner, recognizing the signs of a refrigerant leak early can help you avoid discomfort, especially during the warm and humid months.
1. Unexplained Increase in Energy Bills
A sudden rise in your electricity bills without an increase in HVAC usage may indicate a refrigerant leak. When the system is low on refrigerant, it must work harder and run longer to maintain your desired indoor temperature, resulting in higher energy consumption and utility costs.
2. Longer Cooling Cycles
Refrigerant leaks reduce your HVAC system's ability to cool efficiently. As a result, the unit may take longer to reach the thermostat setting, leading to extended cooling cycles that can wear down your system over time.
3. Hissing or Bubbling Sounds
A distinct hissing or bubbling sound coming from your HVAC system may signal refrigerant escaping through small holes or cracks in the coils. These noises are among the clearest audible signs that a leak is present.
4. Ice Buildup on Evaporator Coils
When refrigerant levels drop too low, the evaporator coils can become too cold and cause condensation to freeze. This ice buildup not only hampers performance but can also lead to further system damage if left unaddressed.
5. Insufficient Cooling
If your HVAC system no longer maintains a comfortable temperature or is blowing warm air, it may be due to insufficient refrigerant. This leads to decreased cooling power and can make your home uncomfortable during the summer.
6. Increased Humidity Levels Indoors
Your HVAC system also dehumidifies your home. A refrigerant leak can reduce its ability to remove moisture from the air, making your indoor environment feel muggy and warmer than it should.
7. Foul Odor
Some refrigerants emit a chemical or exhaust-like smell when leaking. If you notice an unusual odor near your HVAC unit, this could be a sign of a leak and should be addressed promptly to avoid potential health risks.
Why Prompt Action Matters
Ignoring refrigerant leaks can lead to severe HVAC system damage, reduced energy efficiency, and even health concerns. Quick detection and professional repair are vital to preserving your system's longevity and protecting your indoor comfort.
Call the Local HVAC Experts in West Babylon, NY
If you've noticed any of these signs and suspect a refrigerant leak in your HVAC system, turn to Hartmann's & Esposito Plumbing, Heating & Air Conditioning for expert help. Serving West Babylon, NY, and nearby communities, we specialize in diagnosing and resolving refrigerant issues with prompt, professional service.
Contact Hartmann's & Esposito Plumbing, Heating & Air Conditioning today at (631) 293-2600 or fill out our online form to schedule your service. Let us restore your system's cooling efficiency and keep your home comfortable year-round.
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Your HVAC system plays a critical role in maintaining indoor comfort and air quality, especially during the peak of summer or winter. Like any major appliance, it has a limited lifespan and recognizing when it's time for an upgrade can save you from discomfort, inflated energy bills, and emergency repairs. Here are some key signs that it may be time to replace your HVAC system. 1. Soaring Energy Bills A noticeable increase in your utility bills, without any significant change in usage, is often a red flag. As HVAC systems age, they lose efficiency, forcing them to work harder to maintain indoor temperatures. This extra effort consumes more energy, which is reflected in your monthly costs. If your bills are steadily rising, it could be time to consider an energy-efficient upgrade. 2. Frequent Breakdowns and Repairs If you're calling your HVAC technician more often than you used to, your system may be nearing the end of its useful life. Frequent repairs not only drain your wallet but also indicate that components are wearing out. At a certain point, upgrading to a new unit becomes more cost-effective than constantly fixing an old one. 3. Inconsistent Temperatures and Comfort Levels Hot and cold spots in your home or business are often a sign of an HVAC system that's struggling to distribute air evenly. Uneven comfort levels can also stem from aging ductwork or outdated thermostats. Modern HVAC systems are equipped with advanced zoning capabilities and smart controls that ensure consistent temperatures throughout your space. 4. Your System Is More Than 10-15 Years Old The average lifespan of an HVAC system is around 10 to 15 years, depending on the make, model, and how well it's been maintained. Older systems are less efficient and may not be compatible with newer technologies. If your unit is over a decade old, it's likely time to start planning for a replacement. 5. Poor Indoor Air Quality An aging HVAC system can compromise your indoor air quality, contributing to excess dust, mold growth, or humidity issues. If you're noticing more allergy symptoms, strange odors, or condensation on windows, your system may not be properly filtering or ventilating the air. A new system with advanced filtration can dramatically improve indoor air quality. 6. Outdated Technology and Features HVAC technology has come a long way in recent years. If your current system lacks compatibility with smart thermostats, energy monitoring tools, or variable-speed components, you're missing out on features that can boost both comfort and efficiency. Upgrading allows you to take advantage of the latest energysaving innovations. Upgrade with Confidence at Hartmann's & Esposito If your HVAC system is showing any of the signs above, don't wait for a complete breakdown before taking action. Upgrading now means better comfort, improved air quality, and lower energy bills. At Hartmann's & Esposito Plumbing Heating & Air Conditioning, we specialize in efficient, high-performance HVAC installations tailored to your home or business. Serving all of Long Island NY, our experienced team is here to help you choose the right solution for your needs. Call us today at (631) 528-6751 or fill out our online form to schedule a consultation. Let us help you enjoy reliable comfort year-round.
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