Heat and fan are fine, but AC not working.
Amazon Smart Thermostat
heat pump - HVAC Furnace - Adding C Wire to Older Wiring Style - Home Improvement Stack Exchange
What is a C-Wire or Common Wire and How do I Know if I Have One? | Sensi US
What is a C Wire? And Why's it so Important for Your Smart Thermostat?
What is a C Wire? And Why's it so Important for Your Smart Thermostat?
Thermostat C-Wire: How it Works on Your Thermostat | Honeywell Home
C-Wire required ? : r/Nest
What if I don't have a C-Wire? – Smart Thermostat Guide
Thermostat C Wire - How to check if you have one
What is a C-Wire or Common Wire and How do I Know if I Have One? | Sensi US
Amazon Smart Thermostat
Thermostat C Wire: Everything you need to know about the “common” wire – Smart Thermostat Guide
What is a C-Wire or Common Wire and How do I Know if I Have One? | Sensi US
New home, need confirmation on C-wire : r/thermostats
Programmable Wifi Smart Thermostat Plastic For Home, No C-Wire Required By C -Wire Adapter, With Zone Remote Sensor, 24VAC - AliExpress
Thermostat C Wire: Everything you need to know about the “common” wire – Smart Thermostat Guide
Amazon.com: Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Required, Not Compatible with Line Volt Heating Gray : Home & Kitchen
Thermostat C-Wire: Everything You Need to Know
Google Nest Power Connector - Nest Thermostat C Wire Adapter - C Wire Adapter for Smart Thermostat Accessories 1.1 x 3.03 x 3.98 - Amazon.com
What's a C-wire, and why should you care? - CNET
Honeywell Home C-Wire Adapter White CWIREADPTR4001/E - Best Buy
What is a C Wire? And Why's it so Important for Your Smart Thermostat?
Emerson Sensi Touch Smart Programmable Wi-Fi Thermostat, C-Wire Required-White - Walmart.com
Programmable Wifi Smart Thermostat White For Home, No C-Wire Required By C- Wire Adapter, With Zone Remote Sensor, 24VAC - AliExpress
