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Furnace Repair in Mendota Heights, MN

Furnace repair in Mendota Heights costs a $79 trip charge, waived once you approve it, for 1950s chimney-vented and 1990s PVC furnaces. We work on the city's 1950s chimney-vented units and 1990s condensing furnaces alike, and write the price before any work.

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Furnace repair calls in Mendota Heights homes

Furnace calls in Mendota Heights follow the building decades. About 850 houses went up in the 1940s and 50s, and those that still run an 80% furnace vent it through a masonry chimney, where draft problems and worn inducers show up. The 1980s and 90s houses, the city's biggest wave, mostly have condensing furnaces by now, vented in PVC, and those fail in their own ways: a condensate trap clogged with sludge, a pressure switch hose split or full of water, an inducer that howls at startup, a flame sensor coated with residue.

Lot size shapes a few calls too. On large wooded lots the PVC intake can pull in leaves or sit buried under snow on the far side of the house, and a blocked pipe shuts the furnace down. In houses upgraded under the airport sound insulation program, we confirm that any older atmospheric appliance still gets enough combustion air.

Updated November 10, 2026

What do common furnace repairs cost in Mendota Heights?

National averages (HomeGuide, 2026), not our prices: a PSC blower motor $500–$1,400, a variable-speed (ECM) blower motor $800–$2,300, an igniter $100–$250. More in the furnace repair cost guide.

Furnace repair in Mendota Heights: questions

Our 1990s Mendota Heights furnace shuts off and blinks a pressure switch code. What's going on?

The pressure switch confirms the inducer is moving exhaust, and it opens when something restricts that flow. Check the PVC pipes outside first: leaves, a wasp nest or packed snow is the easiest fix. Inside, water trapped in the switch hose, a clogged condensate trap or a weak inducer causes the same code, and sometimes the switch itself fails. We test it with a manometer before replacing anything.

Our 1950s Mendota Heights house still vents an 80% furnace into the chimney. Why does it shut down on windy nights?

Wind across the chimney top can push exhaust back down, and the furnace's pressure switch or a spill switch shuts the burners off to protect you. A missing or damaged chimney cap, a flue too short for the roofline, or trees grown up around the chimney make it worse. We measure draft and CO at the furnace and water heater, and a cap, a liner or a sealed-combustion furnace solves it.

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