<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
<url>
<loc>https://hvacptcharts.com/</loc>
<lastmod>2026-06-15T20:54:23.000Z</lastmod>
<changefreq>weekly</changefreq>
<priority>1</priority>
</url>
<url>
<loc>https://hvacptcharts.com/pt-charts-tools-hub/</loc>
<lastmod>2026-07-14T15:10:50.000Z</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
</url>
<url>
<loc>https://hvacptcharts.com/calculators-hub/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>weekly</changefreq>
<priority>0.9</priority>
</url>
<url>
<loc>https://hvacptcharts.com/guides-hub/</loc>
<lastmod>2026-07-15T06:41:23.000Z</lastmod>
<changefreq>weekly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/pt-calculator/</loc>
<lastmod>2026-07-08T09:39:07.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.9</priority>
</url>
<url>
<loc>https://hvacptcharts.com/superheat-calculator/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.9</priority>
</url>
<url>
<loc>https://hvacptcharts.com/subcooling-calculator/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://hvacptcharts.com/pt-superheat-subcooling-calculator/</loc>
<lastmod>2026-07-08T09:39:07.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://hvacptcharts.com/saturation-properties-calculator/</loc>
<lastmod>2026-07-08T09:39:07.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant-pt-comparison-tool/</loc>
<lastmod>2026-07-08T09:39:07.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant-charge-calculator/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant-retrofit-compatibility-calculator/</loc>
<lastmod>2026-07-08T09:39:07.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/system-pressure-diagnostic-calculator/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/psychrometric-calculator/</loc>
<lastmod>2026-07-08T09:39:07.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/duct-size-calculator/</loc>
<lastmod>2026-07-08T09:39:07.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-load-calculator/</loc>
<lastmod>2026-07-08T09:39:07.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant-safety-classifications/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant-gwp-rankings/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://hvacptcharts.com/superheat-subcooling-fundamentals/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/pt-chart-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/high-head-pressure-causes/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/high-suction-low-head-pressure/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/ac-low-side-pressure-too-high/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/low-suction-pressure/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/ac-compressor-short-cycling/</loc>
<lastmod>2026-07-15T13:24:48.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/overcharged-ac-symptoms/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant-comparison-guide/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://hvacptcharts.com/target-superheat-chart/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r410a-superheat-chart/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r22-superheat-chart/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r410a-charging-chart/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://hvacptcharts.com/carrier-410a-charging-chart/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant-prices-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-410a/</loc>
<lastmod>2026-05-21T08:48:16.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r22/</loc>
<lastmod>2026-05-21T08:48:16.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r32/</loc>
<lastmod>2026-05-21T08:48:16.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r134a/</loc>
<lastmod>2026-05-21T08:48:16.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r404a/</loc>
<lastmod>2026-05-21T08:48:16.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r454b/</loc>
<lastmod>2026-05-21T08:48:16.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r407c/</loc>
<lastmod>2026-06-08T16:29:59.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r454c/</loc>
<lastmod>2026-06-08T16:29:59.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r744/</loc>
<lastmod>2026-06-08T16:29:59.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r1234yf/</loc>
<lastmod>2026-06-12T10:35:03.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/what-pressure-should-r449a/</loc>
<lastmod>2026-06-15T20:54:23.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-32-vs-r-410a/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-32-vs-r-454b/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-410a-vs-r-454b/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-22-vs-r-410a/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-22-vs-r-407c/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-404a-vs-r-449a/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-134a-vs-r-513a/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-454c-vs-r-455a/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-22-vs-r-32/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-407c-vs-r-410a/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-22-vs-r-454b/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-1234yf-vs-r-134a/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-744-vs-r-290/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-12-vs-r-134a/</loc>
<lastmod>2026-07-13T10:58:24.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-290-vs-r-600a/</loc>
<lastmod>2026-07-14T15:10:50.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-454b-vs-r-454c/</loc>
<lastmod>2026-07-14T15:10:50.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-404a-vs-r-452a/</loc>
<lastmod>2026-07-14T15:10:50.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-134a-vs-r-1234ze/</loc>
<lastmod>2026-07-14T15:10:50.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-22-vs-r-438a/</loc>
<lastmod>2026-07-14T15:10:50.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-448a-vs-r-449a/</loc>
<lastmod>2026-07-14T15:10:50.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/r-404a-vs-r-448a/</loc>
<lastmod>2026-07-14T15:10:50.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-troubleshooting-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-load-calculation-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-duct-design-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-refrigerant-recovery-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-energy-efficiency-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-commissioning-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-maintenance-service-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-indoor-air-quality-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-mechanical-ventilation-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-system-design-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-controls-automation-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-safety-procedures-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-tools-equipment-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-retrofitting-upgrades-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-energy-management-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-building-automation-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/hvac-ductless-mini-split-guide/</loc>
<lastmod>2026-07-13T08:04:43.000Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>https://hvacptcharts.com/about-us/</loc>
<lastmod>2026-07-07T15:37:33.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.3</priority>
</url>
<url>
<loc>https://hvacptcharts.com/contact-us/</loc>
<lastmod>2026-07-07T15:37:33.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.3</priority>
</url>
<url>
<loc>https://hvacptcharts.com/privacy-policy/</loc>
<lastmod>2026-07-07T15:37:33.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.2</priority>
</url>
<url>
<loc>https://hvacptcharts.com/terms-of-service/</loc>
<lastmod>2026-07-07T15:37:33.000Z</lastmod>
<changefreq>yearly</changefreq>
<priority>0.2</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-11/</loc>
<lastmod>2026-07-14T13:41:56.106Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1150/</loc>
<lastmod>2026-07-14T13:41:56.254Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-12/</loc>
<lastmod>2026-07-14T13:41:56.526Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1224yd-z/</loc>
<lastmod>2026-07-14T13:41:56.526Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-123/</loc>
<lastmod>2026-07-14T13:41:56.959Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1233zd-e/</loc>
<lastmod>2026-07-14T13:41:57.215Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1233zd-z/</loc>
<lastmod>2026-07-14T13:41:57.217Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1234yf/</loc>
<lastmod>2026-07-14T13:41:57.482Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1234ze/</loc>
<lastmod>2026-07-14T13:41:57.805Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1234ze-e/</loc>
<lastmod>2026-07-14T13:41:58.148Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1234ze-z/</loc>
<lastmod>2026-07-14T13:41:58.350Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-124/</loc>
<lastmod>2026-07-14T13:41:58.605Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-125/</loc>
<lastmod>2026-07-14T13:41:58.893Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1270/</loc>
<lastmod>2026-07-14T13:41:59.154Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-13/</loc>
<lastmod>2026-07-14T13:41:59.330Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-1336mzz-z/</loc>
<lastmod>2026-07-14T13:41:59.331Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-134a/</loc>
<lastmod>2026-07-14T13:41:59.627Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-143a/</loc>
<lastmod>2026-07-14T13:41:59.888Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-152a/</loc>
<lastmod>2026-07-14T13:42:00.217Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-218/</loc>
<lastmod>2026-07-14T13:42:00.485Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-22/</loc>
<lastmod>2026-07-14T13:42:00.750Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-236ea/</loc>
<lastmod>2026-07-14T13:42:00.993Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-236fa/</loc>
<lastmod>2026-07-14T13:42:01.268Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-245fa/</loc>
<lastmod>2026-07-14T13:42:01.601Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-290/</loc>
<lastmod>2026-07-14T13:42:01.887Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-32/</loc>
<lastmod>2026-07-14T13:42:02.148Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-365mfc/</loc>
<lastmod>2026-07-14T13:42:02.415Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-404a/</loc>
<lastmod>2026-07-14T13:42:04.887Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-407a/</loc>
<lastmod>2026-07-14T13:42:07.307Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-407c/</loc>
<lastmod>2026-07-14T13:42:10.076Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-407f/</loc>
<lastmod>2026-07-14T13:42:12.906Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-410a/</loc>
<lastmod>2026-07-14T13:42:14.034Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-417a/</loc>
<lastmod>2026-07-14T13:42:16.500Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-421a/</loc>
<lastmod>2026-07-14T13:42:17.632Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-422a/</loc>
<lastmod>2026-07-14T13:42:20.340Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-422b/</loc>
<lastmod>2026-07-14T13:42:22.798Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-422d/</loc>
<lastmod>2026-07-14T13:42:25.245Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-427a/</loc>
<lastmod>2026-07-14T13:42:31.545Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-438a/</loc>
<lastmod>2026-07-14T13:42:31.547Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-448a/</loc>
<lastmod>2026-07-14T13:42:31.547Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-449a/</loc>
<lastmod>2026-07-14T13:42:37.877Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-450a/</loc>
<lastmod>2026-07-14T13:42:37.880Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-452a/</loc>
<lastmod>2026-07-14T13:42:40.432Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-452b/</loc>
<lastmod>2026-07-14T13:42:42.907Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-454b/</loc>
<lastmod>2026-07-14T13:42:44.152Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-454c/</loc>
<lastmod>2026-07-14T13:42:45.436Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-455a/</loc>
<lastmod>2026-07-14T13:42:48.083Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-457a/</loc>
<lastmod>2026-07-14T13:42:50.573Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-500/</loc>
<lastmod>2026-07-14T13:42:51.809Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-502/</loc>
<lastmod>2026-07-14T13:42:55.258Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-503/</loc>
<lastmod>2026-07-14T13:42:55.260Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-507a/</loc>
<lastmod>2026-07-14T13:42:56.332Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-513a/</loc>
<lastmod>2026-07-14T13:42:57.344Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-514a/</loc>
<lastmod>2026-07-14T13:42:57.345Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-515a/</loc>
<lastmod>2026-07-14T13:42:57.346Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-515b/</loc>
<lastmod>2026-07-14T13:42:57.347Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-516a/</loc>
<lastmod>2026-07-14T13:43:00.126Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-600a/</loc>
<lastmod>2026-07-14T13:43:00.476Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-717/</loc>
<lastmod>2026-07-14T13:43:00.922Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-744/</loc>
<lastmod>2026-07-14T13:43:01.141Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.85</priority>
</url>
<url>
<loc>https://hvacptcharts.com/refrigerant/r-c318/</loc>
<lastmod>2026-07-14T13:43:01.433Z</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
</urlset>
