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Notes for HVAC service companies.
HVAC Industry Aug 31, 2026
Gas Furnace Sequence of Operation — From the Outside
The full sequence of operation for a gas furnace — heat call, inducer, pressure switch, ignition, flame proving, blower — and what each step looks like from outside the cabinet.
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HVAC Industry Aug 31, 2026
How to Sell a Monitored Maintenance Agreement
Maintenance agreements renew on habit and get cut first. Here's how HVAC service companies can build and sell a monitored tier that customers see value in every cold night.
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Company News May 1, 2026
Introducing FurnaceWatch: Remote Furnace Diagnostics for Service Companies
Why we built a sensor that tells HVAC service companies what failed — the moment it fails — and what happens next.
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See FurnaceWatch in action
Book a 30-minute demo — the sensor, the portal, and the alerts, live.