Furnace Repair Cost by Part Guide
Furnace repair cost by part, rows apart.
Orange County, CA · Updated 2026 · Costs shown as ranges — your quote will vary by firm and scope
Part readings, priced apart by frame
| Part row, Frame A | Reading | Frame A note |
|---|---|---|
| Repair average | $304 | range $123-$505 |
| Thermostat | $96-$575 | part row |
| Blower motor | $144-$1,916 | part row |
| Draft inducer motor | $192-$1,437 | part row |
| Ignitor | $144-$479 | part row |
| Flame sensor | $144-$240 | part row |
| Gas valve | $192-$575 | part row |
| Circuit board | $192-$575 | part row |
| Flue pipe | $383-$766 | part row |
| Relay switch | $144-$287 | part row |
| Transformer | $96-$168 | part row |
| Combustion chambers | $96-$575 | part row |
| Heat exchanger | $96-$1,437 | part row |
| Coils | $575-$1,916 | part row |
| Burners | $144-$431 | part row |
| Filter | $1-$34 | part row |
Each reading is one frame counting of one part row. Frame A detail lines: labor $50-$150 per hour, small repairs billed at a $100-$200 minimum; inspection $80-$100, advanced inspection $125-$200.
Job lines behind the part rows
| Job row, Frame B | Reading | Frame B note |
|---|---|---|
| Furnace repair | $125-$480 | average band |
| Diagnostic | $90-$100 | visit line |
| Repair blower motor | $150-$700 | repair row |
| Repair flame sensor | $80 | repair row |
| Repair circuit board / pressure sensor | $50 | repair row |
| Replace blower motor | $300-$900 | replacement-of-part row |
| Replace damper motor | $85-$325 | replacement-of-part row |
| Replace thermostat | $150 | replacement-of-part row |
| Ignitor | $100-$250 | replacement-of-part row |
| Replace flame sensor | $250 | replacement-of-part row |
| Heat exchanger | $1,000-$3,000 | replacement-of-part row |
| Control board | $300-$650 | replacement-of-part row |
| Gas valve | $200-$800 | replacement-of-part row |
| Smart valve | $750 | replacement-of-part row |
| Inducer motor | $400-$1,100 | replacement-of-part row |
| Furnace replacement | $2,000-$5,400 | full-replacement row |
The job lines stand in Frame B. Frame B inspection-page lines: furnace repair $100-$600, minimum service fees $75-$200, labor $75-$150 per hour, after-hours emergency $140-$210 per hour.
Part against part, frame against frame
An ignitor stands at $144-$479 in Frame A and $100-$250 in Frame B; a blower motor stands at $144-$1,916 as a Frame A part row, at $150-$700 as a Frame B repair row, and at $300-$900 as a Frame B replacement-of-part row -- three readings of one part, priced apart. The frames price the same job differently -- an ignitor at $144-$479 in Frame A against $100-$250 in Frame B, a heat exchanger at $96-$1,437 in Frame A against $1,000-$3,000 in Frame B -- a frame difference, never averaged, never blended.
The neighbours named apart
Named apart, never a row here: furnace maintenance and tune-ups, a planned maintenance visit on its own page; heat pump repair, its own cluster; and mini-split repair, its own cluster -- this cluster prices furnace repair, the breakdown repair visit alone.
The local read
The local read: the frames above are national published frames; a written quote for one address, one problem line, and one part line is the only local figure.
Reading a quote
- Part named beside each figure
- Part lines read apart
Frequently asked questions
What does furnace repair cost by part, as reported?
Frame A prints thermostat at $96 to $575, blower motor at $144 to $1,916, ignitor at $144 to $479, and heat exchanger at $96 to $1,437. Frame B prints its job rows apart, repair blower motor at $150 to $700 and heat exchanger replacement at $1,000 to $3,000.
What does a blower motor print at, as reported?
Three readings apart: Frame A prints the blower motor part row at $144 to $1,916. Frame B prints repair blower motor at $150 to $700 and replace blower motor at $300 to $900 -- a frame difference and a row difference, priced apart.
What does an ignitor print at, as reported?
Frame A prints the ignitor at $144 to $479. Frame B prints ignitor replacement at $100 to $250. A frame difference, never averaged.
What do the smallest part rows print at, as reported?
Frame A prints the filter at $1 to $34 and the transformer at $96 to $168. Frame B prints repair circuit board and pressure sensor at $50 and repair flame sensor at $80, each in its own frame.
Is the maintenance line priced on this guide?
No. Furnace maintenance and tune-ups stand on their own page, named apart, and heat pump repair and mini-split repair stand in their own clusters. This guide prices repair by part; its inspection lines are Frame A and Frame B repair-frame lines only.