An easy and simple explanation of what dry bulb, wet bulb, relative humidity percentage, and dew point are and where to take these measurements in HVAC applications. For adding refrigerant, you will mainly only need condenser air dry bulb temperature and the indoor wet bulb temperature. I go over where to take both of these measurements in the video. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ Amprobe Psychrometer: https://amzn.to/3MPg5Yn More Affordable Alternative: https://amzn.to/41daQpS ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ For More Repair Videos: 🔌 Dryer Repair Playlist:    • Dryer Playlist   🧺 Washer Repair Playlist:    • Washer Playlist   🔥 Furnace Repair Playlist:    • Furnace Playlist   ❄️ AC Repair Playlist:    • Air Conditioner Playlist   💧 Water Heater Playlist:    • Water Heater Playlist   🛠️ HVAC Tools Playlist:    • HVAC Tools   🔋 Capacitor Playlist:    • Capacitor Playlist   ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 🔦 Awesome Camo Flashlight: https://amzn.to/33uMECU 🛒 For a Complete List of Tools and Parts Visit my Amazon Page: https://amzn.to/2Q3QTOA ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 🅿️ Want to Support This Channel? You can donate via PayPal: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=B6JCNWKJ5ZW8U ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📷 Interested in What Gear I use to Film my Videos? Sony A7SIII: https://amzn.to/3oqIGDC Sigma 24-70mm Lens: https://amzn.to/3t9ZYID GoPro HERO 8: https://amzn.to/2Pi0JQO Extra Batteries: https://amzn.to/3c8QBj1 Memory Card (2): https://amzn.to/34rcwQ1 60" Tripod: https://amzn.to/2mLXrU0 Bird-Eye View Tripod: https://amzn.to/3b3RWYy Rode VideoMicro Microphone: https://amzn.to/2Ol9KDp Rode Wireless Go Microphone: https://amzn.to/3ed5Wkv Neewer Halo Light (2): https://amzn.to/2LTANUK Viltrox LED Light Panel: https://amzn.to/39ZbSu4 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 🙏 We would greatly appreciate it if you considered supporting our channel while shopping on Amazon by buying anything you need on Amazon after clicking on one of the links above. This gives us a small commission at no additional cost to you and helps us continue producing more videos! Thanks a million for your support!! ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ⚠️ Disclaimer: This video is for educational purposes. All appliance and HVAC repair work should be done by a trained professional. Word of Advice TV is not responsible for any possible damages or injuries caused by the use or misuse of the provided information. ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 📥 SPONSORS / Collabs: Would you like to partner with Word of Advice TV? 🤝 Email: WordofAdviceTV@gmail.com ✍️ ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ #furnace #airconditioner #appliancerepair #heating #airconditioning #hvac #wordofadvicetv