Frosty's HVAC
4.9 stars · 99 Google reviews

Heating Repair in Murphy, TX

Fast, honest, flat-rate residential furnace and heat pump repair in Murphy. Diagnostic $85 (waived with repair). Licensed TACLA126718E, EPA 608 Universal certified, family-owned since 2018.

Licensed TACLA126718E
EPA 608 Universal Certified
Family-Owned Since 2018
99 Reviews · 4.9 Stars

Where in Murphy Do We Run Heating Repair Calls?

Our team services Murphy from our Farmers Branch base — 28 miles via Dallas North Tollway North to SH-190 East, roughly 45 minutes. We cover 75094 including Maxwell Creek, Muirfield Village, Murphy Marketplace, FM 544 corridor, Ballantrae, and Northpointe. Murphy sits in Collin County.

Now serving Murphy

Murphy is about 45 minutes from our Farmers Branch shop via the Dallas North Tollway and SH-190. Same-day response during 95°F+ weather is routine. We carry communicating board diagnostic tools for the variable-speed Carrier and Trane systems common in larger Muirfield Village and Northpointe homes, plus drain pan biocide treatment for the Murphy MUD water-chemistry problem.

Murphy heating load context

Roughly 90% of Murphy's housing went up between 2000 and 2010, so original R-410A systems are now 15-20 years old and hitting peak failure season. Maxwell Creek, Muirfield Village, Ballantrae, and Northpointe 2,500-4,000 sqft two-stories drive high cooling loads on equipment installed to 2005-era efficiency specs. Murphy MUD water shows up on the condensate drain side as higher mineral deposits in traps and aggressive algae growth.

How Much Does Heating Repair Cost in Murphy?

Furnace repair in Murphy 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.

RepairRegular PriceFrosty Club Member
Diagnostic / service call(Waived with repair)$85$72.25
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 $2,800up to $2,380
Control board (universal)$500$425
Control board (ECM / modulating)up to $3,500up to $2,975
Thermostat (basic)$350$297.50
Thermostat (programmable)$500$425
Cracked heat exchanger(CO safety — never repaired)FULL FURNACE REPLACEMENTFULL FURNACE REPLACEMENT

Cracked Heat Exchanger: Safety First

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.

Save More with Frosty Club

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 Club

What Are the Most Common Heating Problems in Murphy?

Texas 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 Murphyheating calls, and what each one typically costs to fix.

Furnace won't ignite

Failed hot-surface ignitor ($400) or coated flame sensor ($400). Both are same-day fixes. The $85 diagnostic identifies the exact cause.

Blowing cold air instead of hot

Usually a failed ignitor, bad flame sensor, or a stuck gas valve. We run a combustion analysis to confirm the exact cause before quoting.

Loud buzzing or grinding

Dying inducer motor ($500-$1,300) — the draft fan pulling combustion gases through the heat exchanger. Replace before it takes out the control board.

Short cycling (on/off/on/off)

Dirty flame sensor, failing limit switch, or restricted airflow. Can be an early warning of a heat exchanger issue — we diagnose carefully.

Gas smell or CO alarm

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.

Cracked heat exchanger

Carbon monoxide risk — NEVER repaired. Full furnace replacement required for safety. We confirm with combustion analyzer and bore-scope inspection.

Why Do Murphy Homeowners Choose Frosty's for Heating Repair?

Murphy heating calls concentrate December through February across the 20-30 freeze nights Collin County takes each winter. The Murphy furnace fleet is unusually uniform because 90% of homes were built 2000-2010 — most 75094 homes run 80% AFUE single-stage or two-stage gas furnaces from that original install, with a subset of Muirfield Village and upscale Maxwell Creek customs running 95-96% AFUE condensing furnaces that were offered as builder upgrades. Both are now 15-20 years old, and the age-typical failures are predictable: hot-surface ignitors ($400) cracking after thousands of cycles, flame sensors ($400) carboned over, pressure switches ($250-$550) stuck, and inducer motors ($500-$1,300) grinding.

The heat exchanger is what I take most seriously on any Murphy system at 15+ years. Condensing 95% AFUE furnaces — common on Muirfield Village customs — have secondary heat exchangers that pit and perforate from acidic condensate over time, and when a primary or secondary cracks, combustion gases including CO leak into the supply air. We don't repair cracked heat exchangers; they cannot be safely welded back to factory spec. We condemn the furnace and quote replacement. Every Murphy diagnostic on a 15+ year system includes a CO check at a supply register.

A meaningful slice of newer Murphy homes, especially all-electric Ballantrae and Northpointe builds, run heat pumps with electric heat-strip backup instead of gas furnaces. Heat pump winter failures look different: failed defrost boards, stuck reversing valves, outdoor TXV restrictions, failed heat-strip elements when the outdoor temp drops below 15°F. Heat pumps briefly run in cooling mode during defrost cycles to melt ice off the outdoor coil, so steam rising off the unit on a 25°F Murphy morning is normal. Call (469) 254-0548 for $85 diagnostic (waived with repair).

Neighborhoods we serve in Murphy: Maxwell Creek, Muirfield Village, Murphy Marketplace, FM 544 corridor, Ballantrae, Northpointe, Plano and Wylie borders

Why Should I Trust Frosty's Credentials for Heating Repair?

Because a gas furnace that's repaired wrong can leak carbon monoxide. Every credential below — TACLA126718E, EPA 608 #2396328, 99 Google reviews — is independently verifiable. We red-tag cracked heat exchangers on the spot; we never patch them.

TACLA126718E

Texas HVAC Contractor License held by Mariafernanda Jacobo. Issued and regulated by the Texas Department of Licensing and Regulation.

EPA 608 Universal

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.

Energy Star Partner

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.

What Do Murphy Homeowners Ask About Heating Repair?

How much does furnace repair cost in Murphy, TX?

Diagnostic $85 flat (waived with repair). Common Murphy furnace repairs: hot-surface ignitor $400 ($340 for Frosty Club members), flame sensor $400 ($340), gas valve $400-$1,200 ($340-$1,020), inducer motor $500-$1,300 ($425-$1,105), pressure switch $250-$550. Flat-rate — you see the total before we start.

My Muirfield Village condensing furnace is showing low-pressure faults — what's wrong?

95-96% AFUE condensing furnaces, common on Muirfield Village and upscale Maxwell Creek builder upgrades, throw low-pressure faults when the condensate drain line is blocked (very common on 15+ year units), the pressure switch itself has failed ($250-$550), or the inducer motor isn't developing enough draft ($500-$1,300). All three are common failure modes on 15-20 year old condensing units. The $85 diagnostic tells you which one.

Is my Murphy furnace safe with a cracked heat exchanger?

No. A crack leaks combustion gases including CO into your supply air. We don't repair cracked heat exchangers because they can't be safely welded to factory spec. Instead we condemn the furnace and quote replacement. Every Murphy diagnostic on a 15+ year old system includes a heat exchanger inspection and CO check at a supply register — especially important on 95% condensing units with secondary heat exchangers.

Do you repair heat pumps in Murphy?

Yes. All-electric Ballantrae and Northpointe builds, along with some newer Murphy homes, run heat pumps with electric heat-strip backup. Common failures: defrost board faults, stuck reversing valves, outdoor TXV restrictions, and electric heat-strip element failures. We service Carrier, Trane, Goodman, Lennox, Rheem, and all major residential brands.

My Murphy furnace short-cycles every few minutes — why?

Short cycling on a furnace usually means a dirty flame sensor (most common — $400 flat to clean/replace), overheating from restricted airflow (clogged filter or dirty blower), or a failing pressure switch. On 15-20 year old Murphy systems, flame sensor cleaning solves 60% of these calls. The $85 diagnostic identifies the actual cause.

Cold snap hit Murphy and my heat died — how fast can you come out?

During hard freezes we prioritize no-heat calls. Business-hours response is typically 1-2 hours for most 75094 addresses in Maxwell Creek, Muirfield Village, and Ballantrae; Frosty Club Premium members get same-hour response when we're available. After-hours emergency diagnostic is $250 for non-members, $212.50 for Basic members, $85 for Premium members. Call (469) 254-0548.

Can You Still Service Older R-22 Heat Pumps in Murphy?

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 Maxwell Creek and Muirfield Village 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.

Can You Repair My R-410A Heat Pump in Maxwell Creek and Muirfield Village?

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 Maxwell Creek and Muirfield Village 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.

How Do I Schedule Emergency Heating Repair in Murphy?

Call us or request service online. Same-day appointments available for Murphy 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.

OJ

Written by

By

Texas Licensed HVAC Contractor #TACLA126718E · EPA #2396328

Co-Owner of Frosty's HVAC LLC, serving DFW since 2018. Learn more

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