Sign in with a
one-click link.
Type the email you check most. We send a one-time sign-in link — no password to remember, no card to enter. Your second check (and every one after) carries your history, your care reminders, and your credit balance.
500 credits on first sign-in
≈ 100 Symptom Checks or a full Winter Review
Your checks stay saved
Pull up the last read-back when the engineer asks
Quarterly reminders
Tuned to your boiler and your region
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No SMS spam, no upsell drip, no data sold
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