Furnace Repair
FURNACE REPAIR IN LEHI — MULTI-STAGE AND DUAL-ZONE SPECIALISTS
No heat, short cycling, one zone won't satisfy, multi-stage stuck in low fire? Our HVAC techs dispatch from the Lehi office at 1490 N 300 E and fix most calls the same day. Common parts on every truck.

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Utah plumbing contractor
5 Utah counties
50+ cities served
Flat-rate pricing
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Overview
What fails on a Lehi furnace — and what it costs
Most furnace repair calls in Lehi come down to the same set of failures, with a few twists specific to the larger Lehi housing stock and the 2014-vintage cohort that's hitting the 12-year mark. Flame sensor, ignitor, ECM blower motor, pressure switch, gas valve, control board — the standard six. Then on dual-zone systems we add damper actuators, zone panel relays, and bypass damper recalibrations. On modulating communicating systems we add OEM control board and staging issues. Our techs carry the common parts on the truck, which is why 70%+ of repair calls finish the same visit.
Lehi furnaces also hit some city-specific stress patterns. Larger square footage means longer flex duct runs, which means dirtier blowers and lower static pressure on builder-grade units. Hard water builds scale on condensate traps faster than valley homes, causing pressure-switch lockouts. Mountain-side homes see more thermal cycling because winds drive stronger temperature swings at the foundation. And 2014-vintage builder-grade units are at the age where flame sensors get borderline, pressure switches drift out of spec, and damper actuators start sticking.
The most common Lehi calls
- Flame sensor cleaning or replacement — $145–$245, usually 30 minutes
- Hot surface ignitor replacement — $245–$395
- Pressure switch — $285–$485
- Gas valve — $385–$685
- ECM blower motor — $585–$985 (more common on Lehi homes than PSC)
- Control board — $385–$825 (higher for communicating Trane / Carrier / Lennox)
- Damper actuator (dual-zone) — $285–$485 per actuator
- Zone panel relay or full panel — $485–$1,250
- Condensate trap clog from hard-water scale — $185–$385
What Valley does differently
Every truck carries the common repair parts. When we diagnose, we show you the part that failed and explain what it does. If you're hovering near end-of-life on a 2014-vintage Lehi build, we'll give you the honest repair-vs-replace math before you sink $800 into a unit that's headed for replacement anyway. Communicating system parts (Trane ComfortLink, Carrier Infinity, Lennox Signature iComfort) sometimes need next-day ordering — we'll do a safe bridge fix if it's an emergency and return with the OEM part the next morning.
Winter emergencies get priority. Below 20°F overnight, a failed furnace means frozen pipes in a few hours, which turns a heating repair into a plumbing catastrophe. Our Lehi office at 1490 N 300 E means we're not making the point-of-the-mountain commute on emergency calls — local techs, local trucks, faster response. Quality Service Club HVAC members skip the regular dispatch queue on hard-freeze nights.
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Same-day Lehi furnace repair quote
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Warning signs
Signs Your Lehi Furnace Needs Attention
Most furnace failures announce themselves before the full breakdown. If you're hearing or seeing any of these, get it looked at before it dies in January.
Furnace blows cold air or lukewarm instead of hot
Short cycling — runs 2-5 minutes then shuts off, repeats
Multi-stage unit seems stuck in low fire on cold nights
One zone runs constantly while the other satisfies fast
Damper makes audible clicking or grinding when zones switch
Thermostat calls for heat but furnace isn't responding
Strange smells — electrical burning, gas, or musty
Yellow flame color instead of blue (carbon monoxide risk)
Higher gas bills with no change in thermostat setting
House has uneven heating across the dual-zone split

Below zero in Lehi
No heat on a 10°F Lehi night? Don't wait.
Below 20°F overnight, a dead furnace turns into frozen pipes in 4-6 hours — faster on mountain-side homes with stronger wind exposure. Local Lehi dispatch from 1490 N 300 E.
Local dispatch
Lehi
Across Salt Lake, Utah, Davis, Weber, and Tooele counties.
The Process
How a Lehi Furnace Repair Call Goes

On the truck
Cable machine, jetter, and pipe camera — every call.
Phone triage
We ask the symptom, model if you have it, age of the unit, single-zone or dual-zone configuration. Half the time the diagnosis is 80% locked before we dispatch.
Full-system diagnostic
Tech tests ignition sequence, gas pressure (both stages), flame rectification, pressure switch, ECM blower amperage, heat exchanger visual, damper operation on dual-zone, zone panel relays. Walk-through before any quoting.
Honest quote
Flat-rate for the repair, given upfront. If your system is a 2014-vintage build and the quote is $900+, we'll do the math on replacement before you authorize.
Same-visit fix when possible
Most common parts are on the truck. Communicating control boards (Trane ComfortLink, Carrier Infinity, Lennox iComfort) for higher-end Lehi builds occasionally need next-day ordering.
Safety check before we leave
CO test at every register, flame color check, combustion analysis on newer units. Damper operation re-verified on dual-zone systems. Not optional — we don't leave with an unsafe or misconfigured unit running.
Pricing
Lehi Furnace Repair Cost
Flat-rate, quoted before repair. Winter emergency after-hours adds $95–$150.
Furnace diagnostic / service call
Low
$89
High
$129
Member
$76
– $110
Waived if you do the repair
Flame sensor clean or replace
Low
$145
High
$245
Member
$123
– $208
Most common single-symptom fix
Hot surface ignitor replacement
Low
$245
High
$395
Member
$208
– $336
When furnace tries to start, clicks, but doesn't light
Pressure switch
Low
$285
High
$485
Member
$242
– $412
Common after 5-7 years, 2014-vintage Lehi cohort hitting this now
Gas valve
Low
$385
High
$685
Member
$327
– $582
No gas flow, or intermittent flame
ECM blower motor
Low
$585
High
$985
Member
$497
– $837
Common on dual-zone Lehi homes (variable-speed standard)
Control board (standard)
Low
$385
High
$825
Member
$327
– $701
Intermittent failures, strange behavior
Communicating control board (Trane/Carrier/Lennox OEM)
Low
$685
High
$1,450
Member
$582
– $1,233
Higher-end Lehi builds, sometimes next-day ordering
Damper actuator (dual-zone)
Low
$285
High
$485
Member
$242
– $412
Per actuator, 2014-vintage cohort hitting wear point
Heat exchanger replacement
Low
$1,200
High
$2,400
Member
$1,020
– $2,040
Usually a 'replace the whole furnace' decision
Member pricing reflects the Quality Service Club 15% repair discount. Service call fees are separate.
2026 Lehi residential pricing. Commercial and high-efficiency boilers priced separately.
Quality Service Club
Skip the bill. Skip the line.
For $79 a year, members get 15% off every repair, priority dispatch on every call, and a free annual drain and plumbing inspection — the same stuff we'd charge $195 for on a cold call.
- 15% off repairs
- Priority dispatch
- Annual inspection
- 24/7 service access
- $25 referral bonus
- Parts + labor warranty
Plumbing
$79/year
- 15% off all plumbing repairs
- Priority dispatch — skip the line
- Annual drain piping inspection
- Full home water-supply inspection
- Tag on your emergency shut-off
- $25 referral bonus
HVAC (1 unit)
$199/year
- 15% off HVAC repairs
- Priority dispatch on furnace or AC calls
- Annual furnace + AC safety inspection
- Thermostat calibration and battery swap
- Outdoor condenser cleaning check
Plumbing + HVAC
$258/year
- Everything in both plans
- Whole-home annual inspection
- 15% off every service we offer
- Priority dispatch across plumbing and HVAC
Questions? Talk to a real human — (801) 341-4222
Cancel anytime. 1-year minimum.
FAQ
Furnace Repair FAQs in Lehi
Service call $89–$129 (waived with repair). Most actual repairs fall between $145 (flame sensor clean) and $985 (ECM blower replace). Communicating control boards on higher-end Trane / Carrier / Lennox systems run $685–$1,450. Damper actuators on dual-zone systems are $285–$485 per actuator. We quote flat-rate before any parts come off the truck.
Related services
Related Heating Services in Lehi

Emergency Furnace Repair
No heat after hours — local Lehi dispatch, 24/7 winter crews.

Furnace Installation
High-efficiency replacements — Lehi City permit, 10-year warranty, financing.

Furnace Maintenance & Tune-Up
Pre-winter annual — included in QSC HVAC membership.

Thermostat Installation
Smart, multi-stage, dual-fuel, communicating thermostats.

Heat Pump Services
Dual-fuel — Lehi elevation makes heat pumps more efficient.
Available Around the Clock
Emergency?
We answer 24/7.
Burst pipe, no heat, AC down? Real plumbers pick up — no answering machines. Valley Plumbing serves Salt Lake City and surrounding areas any time, day or night.
Licensed & Insured — Utah Plumbing Contractor