Identify filters, diagnose HVAC issues, find parts — without calling a tech. Free AI advice on heating, cooling, thermostats, and ductwork. No signup needed.
What is AskMyHVACGuy?
AskMyHVACGuy is a free AI assistant for heating, ventilation, and air conditioning questions — from simple filter changes to diagnosing why your AC is not cooling.
Can AskMyHVACGuy help me troubleshoot my AC?
Yes. Describe the symptoms — not cooling, freezing up, making noise, leaking water — and the AI walks you through diagnosis and next steps.
What filter should I use for my HVAC system?
Tell it your system model and the AI recommends the correct filter size and MERV rating for your needs, with links to buy.
When does my HVAC system need professional service?
AskMyHVACGuy tells you when symptoms indicate refrigerant issues, electrical problems, or other work that requires a licensed HVAC technician.
Can it help with thermostat programming?
Yes. It guides you through programming any smart or programmable thermostat to maximize comfort and efficiency.
Is AskMyHVACGuy free?
Yes, completely free with no signup required.
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