.ref-blog-wrap{ max-width:860px; margin:24px auto; color:#1f2937; font-family:Arial,Helvetica,sans-serif; line-height:1.8; padding:0 12px; } /* 外层不再做卡片 */ .ref-blog-card{ background:transparent; border:none; border-radius:0; padding:0; box-shadow:none; } .ref-blog-wrap h2{ margin:28px 0 14px; font-size:28px; line-height:1.3; color:#1f2937; } .ref-blog-wrap h3{ margin:0 0 10px; font-size:20px; line-height:1.35; color:#1f2937; } .ref-blog-wrap p{ margin:0 0 16px; } .ref-blog-wrap ul, .ref-blog-wrap ol{ margin:0 0 16px; padding-left:22px; } .ref-blog-wrap li{ margin-bottom:8px; } /* 开头本地图片 */ .ref-blog-hero-image{ margin:0 0 22px; border-radius:16px; overflow:hidden; } .ref-blog-hero-image img{ display:block; width:100%; height:auto; object-fit:cover; } /* 两个症状模块：不再用明显边框 */ .ref-blog-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin:22px 0; } .ref-blog-box{ background:#f8fafc; border:none; border-radius:14px; padding:18px; } .ref-blog-note{ background:#eef4ff; border-left:4px solid #0f62fe; padding:14px 16px; border-radius:12px; margin:18px 0; } .ref-blog-warning{ background:#fff7ed; border-left:4px solid #f59e0b; padding:14px 16px; border-radius:12px; margin:18px 0; } .ref-blog-table-wrap{ overflow-x:auto; -webkit-overflow-scrolling:touch; margin:18px 0; } .ref-blog-table{ width:100%; min-width:640px; border-collapse:collapse; background:#fff; } .ref-blog-table th, .ref-blog-table td{ padding:12px; border-bottom:1px solid #e5e7eb; text-align:left; vertical-align:top; } .ref-blog-table th{ background:#f8fafc; font-weight:700; } .ref-blog-cta{ background:#f8fbff; border:none; border-radius:16px; padding:20px; margin-top:24px; } .ref-blog-btns{ display:flex; flex-wrap:wrap; gap:12px; margin-top:12px; } .ref-blog-btn{ display:inline-block; padding:10px 16px; border-radius:999px; text-decoration:none; font-weight:700; font-size:14px; line-height:1.4; } .ref-blog-btn-primary{ background:#0f62fe; color:#fff !important; } .ref-blog-btn-secondary{ background:#fff; color:#0f62fe !important; border:1px solid #cfe0ff; } @media (max-width:768px){ .ref-blog-wrap{ max-width:100%; margin:16px auto; padding:0 10px; line-height:1.75; } .ref-blog-wrap h2{ font-size:24px; margin:24px 0 12px; } .ref-blog-wrap h3{ font-size:18px; margin:0 0 8px; } .ref-blog-wrap p{ margin:0 0 14px; } .ref-blog-grid{ grid-template-columns:1fr; gap:12px; margin:18px 0; } .ref-blog-box{ padding:16px; border-radius:12px; } .ref-blog-note, .ref-blog-warning, .ref-blog-cta{ padding:16px; border-radius:12px; } .ref-blog-btns{ flex-direction:column; gap:10px; } .ref-blog-btn{ width:100%; text-align:center; padding:12px 16px; } .ref-blog-wrap ul, .ref-blog-wrap ol{ padding-left:20px; } .ref-blog-hero-image{ margin:0 0 18px; border-radius:12px; } } If your air conditioner or refrigeration system is not cooling as well as it used to, there could be several possible reasons. Dirty filters, incorrect settings, or poor airflow around the outdoor unit can all affect performance. However, one of the most common and often overlooked causes is low refrigerant caused by a leak. Even a small leak can gradually reduce cooling efficiency, increase run time, and put extra strain on the system. Performance warning signs Cooling becomes slower than normal The system runs longer than before Temperature is uneven across the space Electricity costs begin to rise Physical warning signs Frost or ice on the evaporator coil Oil residue around fittings or joints Hissing sounds Bubbling noises during operation Why Refrigerant Leaks Should Not Be Ignored Refrigerant is essential for carrying heat out of the conditioned space. When the system charge drops, heat transfer becomes less effective, and the unit must work harder to achieve the same result. Over time, this can reduce efficiency and increase wear on major components. Important: Refrigerant does not disappear on its own during normal operation. If levels are low, there is usually a leak or a prior service issue. Common Signs and What They May Mean Warning Sign Possible Meaning Recommended Action Hissing sound Possible gas escaping from a small leak point Arrange a leak inspection Bubbling sound Possible leak in part of the refrigerant circuit Have the system checked professionally Ice on coil Low refrigerant or reduced airflow Check airflow and refrigerant condition Poor cooling Reduced heat transfer capacity Measure operating pressures and inspect for leaks What You Should Do Next Do not assume topping off the system solves the problem. Confirm the correct refrigerant type before any service. Use proper leak detection procedures. Repair the leak before recharging the system. Warning: Repeatedly adding refrigerant to a leaking system increases cost over time and does not fix the root cause. Why Refrigerant Quality Matters After Repair After the leak is repaired, the system should be recharged with the correct refrigerant according to the equipment specification. Using the right product and correct charging procedure helps restore stable operation and protects long-term reliability. Need Refrigerant After Leak Repair? We supply refrigerants for residential AC, commercial refrigeration, and retrofit applications. Contact us for stock availability and shipping details. Browse Products Get Help Choosing