How to handle temperature difference with 2 floors?

How to adjust airflow and make hvac magic? Video
https://youtu.be/Jx7nPxIJZ5Y

Mini Split Sizing Basics Video
https://youtu.be/9L3l4sXRES8

How to work on mini splits? Video
https://youtu.be/93ZD8po4ln8

How to braze copper? Video
https://youtu.be/6I_SIVttB48

How to use a flaring tool? Video
https://youtu.be/-ZgNo5liCIY

Cleaning Air Conditioner Coils with The Coil Gun Video
https://youtu.be/mPILvFptkuo

Duct Design and Airflow hvac basics video
https://youtu.be/ozyfwM5j730

Anemometer HVAC Tool Basics (CFM, FPM and Capacity)
https://youtu.be/2KuHOOQkOYg

My house has high humidity. How do I fix it video
https://youtu.be/WvFrkUrz5wM

Tools I use

Testo Digital Pocket Vane Anemometer
https://amzn.to/3KtMcda

Fieldpiece SRH3 In-Duct Digital Psychrometer
https://amzn.to/3wuPZki

Flaring Tool
SPIN F4000 4-Piece Drill Bit Flaring Set 1/4, 3/8, 1/2, 5/8-Inch
https://amzn.to/3RbWdgI

Coil Gun Sprayer With Quick Connect Hose Nozzle
https://amzn.to/3Q3KWlR

Coil Cleaner Tri-Pow'r HD
https://amzn.to/3XB6d7Q

FlareSeal® Model MSP-0406 Leak Free SAE Flare Connections - Refrigerant Leaks Refrigeration, HVAC, Ductless, Schrader Valve or Mini Split Applications (1/4", Mini Split Pack - (2) 1/4" and (2) 3/8")
https://amzn.to/3QHDz3v

Charging Port Adapter Brass Converter with Thimble 5/16 Inch Female Quick Coupler to 1/4 Inch Male Flare for Mini Split System (2 Packs)
https://amzn.to/3OEE5wv

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https://www.youtube.com/channel/UCuMyjTVlkM4xZ5z_eSyoB1w/join

Wanna Learn more about hvac? Check out my hvac tips for technicians playlist.

https://youtube.com/playlist?list=PLVjetZt5xgenmO76adHwb2ctyeBIFKUus