Fast, honest, flat-rate residential furnace and heat pump repair in Frisco. Diagnostic $85 (waived with repair). Licensed TACLA126718E, EPA 608 Universal certified, family-owned since 2018.
Real stories from recent Frosty's HVAC jobs in Frisco, TX -- published straight from the field.
When a family on Geranium Dr in Frisco called with an AC that just wouldn't cool, our tech got to work diagnosing their Lennox system. To keep them comfortable while staying within their budget, they chose a refrigerant recharge with leak seal — a temporary, budget-conscious solu...
Our team services Frisco from our Farmers Branch base — 22 miles via Dallas North Tollway North, roughly 25 minutes. We cover 75033, 75034, 75035, and 75036 including Stonebriar, Starwood, Newman Village, Phillips Creek Ranch, Richwoods, Hollyhock, and The Grove. Frisco sits in Collin County.
Frisco is about 25 minutes from our Farmers Branch shop via the Dallas North Tollway outside rush hour, 40-50 during peak traffic. Same-day business-hour dispatch is routine. We stock manufacturer diagnostic tools for Carrier Infinity, Trane XV, Lennox iComfort, and Goodman ComfortNet communicating platforms common in newer Hollyhock and The Grove builds, plus standard capacitors and contactors for the 1980s-90s Stonebriar originals.
Frisco tripled its population since 2000, and the AC systems installed during that building boom are now entering their first major failure window. Stonebriar 1980s-90s originals are baking through 25-30 year compressor life in 140°F+ attics, while 2015-2022 builds in Hollyhock and The Grove run communicating inverter-driven systems where the failure mode is a $45 control board IC rather than a worn mechanical part. The two repair patterns share almost nothing in common.
Furnace repair in Frisco starts at $85 for the diagnostic (waived with any repair). Most common heating repairs fall in the $250-$1,300 range. We're flat-rate, which means the price quoted before we start is the price you pay at the end. Frosty Club members save 10-15% on every repair.
| Repair | Regular Price | Frosty Club Member |
|---|---|---|
| Diagnostic / service call(Waived with repair) | $85 | $0 — never for members |
| Furnace ignitor replacement | $400 | $340 |
| Flame sensor replacement | $400 | $340 |
| Pressure switch replacement | $250 – $550 | $212.50 – $467.50 |
| Pilot assembly replacement | $350 – $550 | $297.50 – $467.50 |
| Gas valve replacement | $400 – $1,200 | $340 – $1,020 |
| Inducer motor replacement | $500 – $1,300 | $425 – $1,105 |
| Blower motor (standard) | $750 – $1,500 | $637.50 – $1,275 |
| Blower motor (ECM) | up to $2,800 | up to $2,380 |
| Control board (universal) | $500 | $425 |
| Control board (ECM / modulating) | up to $3,500 | up to $2,975 |
| Thermostat (basic) | $350 | $297.50 |
| Thermostat (programmable) | $500 | $425 |
| Cracked heat exchanger(CO safety — never repaired) | FULL FURNACE REPLACEMENT | FULL FURNACE REPLACEMENT |
A cracked heat exchanger means combustion gases — including carbon monoxide — can leak into your home's air supply. We NEVER repair a cracked heat exchanger. The only safe fix is a full furnace replacement. If I find a crack during diagnostic, I red-tag the unit on the spot and show you our three replacement tiers. Learn more about CO safety at the EPA.
Basic ($99/yr):10% off all services | Premium ($300/yr): 15% off + $500 repair credit + 2 free tune-ups (fall heating + spring AC)
Join Frosty ClubTexas winters are mild, but furnaces still need regular service — and when they fail on a 28°F January morning, they tend to fail all at once. Here's what I see most often on Friscoheating calls, and what each one typically costs to fix.
Failed hot-surface ignitor ($400) or coated flame sensor ($400). Both are same-day fixes. The $85 diagnostic identifies the exact cause.
Usually a failed ignitor, bad flame sensor, or a stuck gas valve. We run a combustion analysis to confirm the exact cause before quoting.
Dying inducer motor ($500-$1,300) — the draft fan pulling combustion gases through the heat exchanger. Replace before it takes out the control board.
Dirty flame sensor, failing limit switch, or restricted airflow. Can be an early warning of a heat exchanger issue — we diagnose carefully.
EMERGENCY — leave the house, call Atmos Energy at 866-322-8667, then call us. We locate the leak source and repair or red-tag as required.
Carbon monoxide risk — NEVER repaired. Full furnace replacement required for safety. We confirm with combustion analyzer and bore-scope inspection.
Frisco heating repair splits along a clear generational divide. Stonebriar — founded 1987, over 1,000 homes near the mall — runs original gas furnaces that are now 30-plus years old and failing on predictable wear items: cracked hot-surface ignitors ($400, $340 members), carbon-fouled flame sensors ($400), seized inducer motors ($500-$1,300), and pressure switches blocked by mud-dauber nests in the combustion air intake ($250-$550). These are mechanical wear failures with straightforward fixes. The post-2000 neighborhoods — Starwood, Newman Village, Phillips Creek Ranch, Richwoods — run dual-fuel heat pump systems where winter failures are electronic: defrost board logic faults, reversing-valve solenoid failures that leave the system stuck in cooling mode, and outdoor temperature sensor drift that prevents the gas-furnace backup from ever engaging.
The most expensive misdiagnosis I see other companies make in Frisco is treating a dual-fuel changeover problem as a refrigerant issue. Homeowner calls because the heat pump is blowing cool air in January. A less experienced tech checks refrigerant pressure, sees it looks low on a 28-degree day (pressures naturally drop in cold weather), adds two pounds of R-410A, collects $400, and leaves. The actual problem was a $200 outdoor temperature sensor that drifted 15 degrees high — the system thought it was 43 degrees outside when it was actually 28, so it never called for gas-furnace backup and the heat pump was struggling against temperatures below its efficient operating range. The system is hermetic. If it was not low in cooling season, it is not low in heating season. We diagnose before we touch refrigerant.
I run a combustion analyzer CO reading at the supply register on every gas-furnace repair in Frisco — not a visual flame inspection, not a camera check, an actual parts-per-million measurement at the point where air enters the living space. A cracked heat exchanger can look fine on a flame camera and still leak carbon monoxide into supply air through hairline fractures that only open under thermal expansion. Anything over 9 ppm at the register means the furnace stays off until the exchanger is inspected with a borescope. EPA 608 Universal #2396328 (Omar), TACLA126718E (Mariafernanda), 143 Google reviews at 4.9 since January 1, 2018. Flat-rate $85 diagnostic waived with repair. (469) 254-0548.
Neighborhoods we serve in Frisco: Stonebriar, Starwood, Newman Village, Phillips Creek Ranch, Richwoods, Hollyhock, The Grove
Because a gas furnace that's repaired wrong can leak carbon monoxide. Every credential below — TACLA126718E, EPA 608 #2396328, 143 Google reviews — is independently verifiable. We red-tag cracked heat exchangers on the spot; we never patch them.
Texas HVAC Contractor License held by Mariafernanda Jacobo. Issued and regulated by the Texas Department of Licensing and Regulation.
Omar Jacobo, #2396328. Required by the U.S. EPA for any refrigerant work on heat pumps (R-22, R-410A, R-454B, R-32). Also ensures safe combustion analysis standards.
Replacement heating systems meet or exceed U.S. Department of Energy minimums. 90%+ AFUE furnaces and ENERGY STAR heat pumps qualify for some utility rebates.
Learn more about our credentials on our About page or visit omar-jacobo.com.
Frosty's covers every residential HVAC need in Frisco, TX — one phone line, one flat-rate pricing book, one licensed (TACLA126718E) family-owned team.
Same flat-rate heating repairpricing across every city we cover. If you're in a Frisco-adjacent neighborhood, these pages have local details for your ZIP.
Deeper context on heating repair written by Omar Jacobo (EPA 608 #2396328).
Flat-rate $85 diagnostic (waived with repair). Frisco-common repairs: ignitor $400 ($340 members), flame sensor $400 ($340), inducer motor $500-$1,300, pressure switch $250-$550, gas valve $400-$1,200, defrost board (heat pump) $500-$900, reversing valve solenoid $600-$950, outdoor temp sensor $200-$350. Total quoted before work begins.
Three most common causes: reversing valve solenoid stuck in cooling mode (the valve never flips to heat), outdoor temperature sensor drifted so the system thinks it is warmer outside than it actually is (gas backup never engages), or defrost board cycling the unit into repeated defrost loops. All three are electronic faults — not refrigerant problems. Diagnostic $85 identifies which one.
Yes — a cracked heat exchanger leaks combustion gases including carbon monoxide directly into supply air that you breathe. Heat exchangers cannot be safely welded or patched; the repair is furnace replacement. We measure CO at the supply register with a combustion analyzer on every furnace call. Over 9 ppm means the unit does not come back on until the exchanger is fully inspected.
Dual-fuel pairs a heat pump with a gas furnace and switches between them based on outdoor temperature. The heat pump runs efficiently on mild days (above roughly 35 degrees), the gas furnace takes over on freeze nights when heat-pump efficiency drops. Most Frisco homes built after 2000 were installed with dual-fuel because it minimizes both Oncor electric and Atmos gas bills across a full winter. The changeover logic must be set correctly or one fuel source runs when the other should.
A brief dust burn-off smell on the first heating cycle of the season is normal and clears within 10-15 minutes. Persistent burning smell, electrical ozone odor, or hot-plastic smell means shut off at the thermostat and call immediately. Any gas smell means evacuate the house and call Atmos Energy at 1-888-286-6700, then 911, then us at (469) 254-0548.
Yes — EPA 608 Universal cert #2396328 lets me legally recover, recycle, and recharge R-22 under federal regulations. R-22 production ended in 2020 under the Clean Air Act phase-out (EPA.gov), so it now runs $200 per pound installed. A typical Stonebriar and Starwood R-22 leak repair totals $650-$1,000: electronic leak detection ($250) or nitrogen leak test ($500) plus recharge at $200/lb. Optional leak seal $350 — but it can void manufacturer warranties, so I only recommend it in specific cases. For systems past 12 years with major leaks, planning the transition to R-454B or R-32 is usually the better economics. Read our R-410A phase-out explainer for DFW homeowners.
Yes — heat pumps and ACs use the same refrigerant rules. EPA 608 Universal cert #2396328 covers R-410A heat pump service. AIM Act 2025 phase-out (Energy.gov) only stops new equipment manufacture — existing Stonebriar and Starwood heat pumps stay serviceable. Repair cost runs the same as AC: $250-$500 for leak detection plus $100/lb recharge. Repair is usually right unless the system is past 12 years old. Read our R-410A phase-out explainer for DFW homeowners.
Call us or request service online. Same-day appointments available for Frisco homeowners during winter cold snaps. Flat-rate pricing — no surprises, no hourly charges, no upsell scripts.
Written by Omar Jacobo, EPA 608 Universal Certified Lead Technician at Frosty's HVAC LLC. Licensed TACLA126718E.
Written by
By Omar Jacobo
Texas Licensed HVAC Contractor #TACLA126718E · EPA #2396328
Co-Owner of Frosty's HVAC LLC, serving DFW since 2018. Learn more
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