What a Furnace Inspection Covers, and Why Each Check Matters
What a technician checks on a furnace inspection in Minnesota, from gas pressure to the heat exchanger. It is part of our $129 tune-up, or $219 with the AC.
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A furnace or AC tune-up in St. Louis Park starts at $129, and both together are $219. On narrow lots the visit starts at the side-yard PVC vents, where roof snow piles up.
St. Louis Park's narrow lots shape this job. Snow slides off steep story-and-a-half roofs into the gap between houses, exactly where the furnace's PVC intake and exhaust and the gas meter sit, so we confirm both pipes are clear and sloped properly and show you how to keep them that way. Low basements often put the furnace and gas water heater on one chimney, and we test that draft with both running.
In the prewar houses around Fern Hill, converted gravity ducts with returns under the windows mean exterior-wall rooms lag, so the tune-up includes airflow readings room by room. Spring is about the condenser. On small lots it ends up beside a dryer vent or squeezed along the garage, and lint and recirculated hot air wear out capacitors and fan motors early. We clean the coil, test the capacitor, and check that the drain stays clear.
Updated November 10, 2026
Each $129 visit covers cleaning, a safety and carbon monoxide check and a written report. Boilers, heat pumps and mini-splits fall in our $129–$349 maintenance range, confirmed when you book. Condensers on St. Louis Park's small lots end up in tight spots: a narrow side yard, behind the garage, a few feet from the neighbor's dryer vent.
A tune-up still helps, but it can't fix placement. We wash the coil, test the capacitor and fan motor, and check refrigerant pressures. If lint or hot exhaust is hitting the unit, we say so, and at replacement time we can pick a better spot.
Yes. We check that the intake and exhaust are open, sloped back toward the furnace, and clear of snow packed by shoveling, and we test that the pressure switch and condensate drain work. A buried vent shuts the furnace off, so we also show you where drifts collect.
Signs your system is overdue for a tune-up
What a technician checks on a furnace inspection in Minnesota, from gas pressure to the heat exchanger. It is part of our $129 tune-up, or $219 with the AC.
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Read the guideA black furnace filter usually means soot, not dust. How to tell, the household and equipment causes, and when to shut it off and call 612-429-3465.
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