24/7 line416-716-4386
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Furnace, AC and heat pump symptom checker

Choose your system and what it is doing. Get safe checks you can try yourself and a clear point where to stop and call a licensed technician.

Symptom checker

Start with what you can see and hear.

Symptoms are taken from the problems listed on the current Five Stars service pages. No prices and no diagnosis, just honest next steps.

What is the furnace doing?

Factual, general guidance for common symptoms. It does not replace an inspection, and nothing you choose is sent anywhere.

Result Pick a symptom

What is your furnace doing?

Insulated ventilation ducts in blue light
Still not sure?

Describe it on the phone. That is what the 24/7 line is for.

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Vaughan and York Region, 24/7

Too hot, too cold, or not sure?

Call the 24/7 line and describe what is happening, or send a request and Five Stars will call you back to confirm a time.

416-716-4386
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