Hartman Heating Air and Fireplaces

Emergency repair typically costs 1.5-2.5x normal rates. After-hours service calls usually run $150-$300 for the diagnostic fee, plus parts and labor. Weekend and holiday rates can be higher. However, the cost of downtime — lost revenue, food waste, and staff idle time — almost always exceeds the emergency service premium. Most providers charge $100-$200 diagnostic fees that apply to the total repair.

Signs your oven needs calibration: food is consistently undercooked or overcooked at standard settings, cooking times are significantly longer or shorter than expected, the displayed temperature doesn't match an independent thermometer reading. Oven calibration should be part of every service visit and can drift over time from component wear. A variance of more than 25°F warrants professional calibration.

1) Do NOT operate any electrical switches, phones inside, or create any sparks. 2) Evacuate all staff and customers immediately. 3) Call 911 from outside the building. 4) Call your gas company's emergency line. 5) Do NOT re-enter until emergency responders clear the building. 6) Contact a certified kitchen equipment technician to inspect and repair gas connections before reopening. Gas leaks can cause explosions — always take them seriously.