Expert Furnace
Repair Services

When your furnace fails during a North Texas cold snap, you need immediate, expert help from technicians who understand both the urgency and the technical complexities of heating system repairs. At Graco Heating & Air, our 30+ years of experience means we've diagnosed and repaired virtually every furnace problem imaginable. Our licensed technicians (TX License #TACLA00017212E) arrive prepared with the knowledge, tools, and parts needed to restore your home's warmth quickly and safely.

Armstrong Pro Team

TX License #TACLA00017212E

Understanding Furnace Problems

Common Furnace Problems We Solve

Through decades of service across North Texas, we've identified the most frequent furnace issues homeowners face.

No Heat Production

When your furnace won't produce heat:

  • Pilot light or ignition system failures
  • Gas valve malfunctions preventing fuel flow
  • Thermostat communication problems
  • Electrical control board failures
  • Safety switch activation from various causes

Insufficient Heating

If your furnace runs but doesn't heat properly:

  • Clogged or dirty air filters restricting airflow
  • Blower motor problems reducing air circulation
  • Heat exchanger issues limiting heat transfer
  • Ductwork leaks losing heated air
  • Improper furnace sizing for your home

Frequent Cycling

Short cycling indicates problems like:

  • Overheating due to restricted airflow
  • Thermostat location or calibration issues
  • Flame sensor contamination
  • Control board malfunctions
  • Improper gas pressure

Unusual Noises

Different sounds indicate specific issues:

  • Banging: Delayed ignition or expanding ducts
  • Squealing: Belt or bearing problems
  • Rattling: Loose panels or components
  • Rumbling: Pilot light or burner issues
  • Clicking: Ignition system problems

Get Your Free Furnace Repair Quote

Flexible Financing Available

Your comfort is within reach with flexible financing options from GoodLeap and Service Finance.

Learn More
30+ Years of Experience

30+ YEARS OF EXPERIENCE

Community Focused

COMMUNITY FOCUSED

Proudly Serving Northern Texas

PROUDLY SERVING NORTHERN TEXAS

Military & First Responder Discounts

MILITARY & FIRST RESPONDER DISCOUNTS

24/7 Emergency Service

24/7 SERVICE

Professional HVAC Services

Our Systematic Repair Approach

When you choose Graco Heating & Air, you're getting more than just a repair – you're getting a systematic, professional approach to solving your heating problems.

Diagnostic Excellence


Emergency Response Protocol

When you call for furnace repair:

  • Immediate safety assessment questions
  • Troubleshooting guidance over phone
  • Priority scheduling for no-heat situations
  • Arrival time communication
  • Preparation recommendations

On-Site Diagnostic Process

Our technicians follow proven procedures:

1. Safety Inspection First - Gas leak detection, carbon monoxide testing, electrical hazard assessment
2. System Operation Analysis - Thermostat signal verification, ignition sequence observation
3. Component Testing - Electrical continuity checks, gas pressure measurements

Transparent Repair Process


Clear Communication

We ensure you understand:

  • Exact problem diagnosis
  • Repair options available
  • Cost estimates upfront
  • Time requirements
  • Warranty implications

Repair Authorization

Before proceeding, we provide:

Written estimates
Part availability status
Alternative solutions
Long-term recommendations
No-pressure consultation

Specific Component Repairs

Heat Exchanger Services

The heat exchanger separates combustion gases from your home's air:

Crack Detection Methods

Visual inspection with cameras

Flame distortion testing

Tracer gas detection

Infrared thermal imaging

Combustion analysis testing

Repair vs. Replacement

Heat exchanger cracks typically require:

  • Complete furnace replacement for safety
  • Warranty coverage verification
  • Cost-benefit analysis
  • Safety-first recommendations
  • Immediate temporary heat solutions

Ignition System Repairs

Hot Surface Igniter Service

Common igniter issues include:

Cracked or broken igniter elements

Voltage supply problems

Control board sequencing errors

Proper resistance verification

Replacement with quality parts

Electronic Ignition Repairs

For spark ignition systems:

  • Electrode cleaning and adjustment
  • Ignition module testing
  • Flame sensor cleaning
  • Grounding verification
  • Control integration checks

Emergency Furnace Repair Services

24/7 Emergency Response

Heating emergencies don't follow business hours:

  • Rapid response times throughout North Texas
  • Fully stocked service vehicles
  • Experienced technicians on call
  • Temporary heating solutions available
  • Priority scheduling for emergencies
Emergency: 817-725-9234

When Heat Can't Wait

Emergency situations we prioritize:

Complete heating failures in freezing weather
Carbon monoxide concerns
Gas leak detection
Electrical burning smells
Safety switch lockouts

Blower Motor Services

Motor Repair Options

  • Bearing lubrication and replacement
  • Capacitor testing and replacement
  • Belt adjustment or replacement
  • Motor winding testing
  • Complete motor replacement

Variable Speed Motor Service

Advanced ECM motors require:

  • Module diagnostic testing
  • Programming verification
  • Communication troubleshooting
  • Proper torque specifications
  • Manufacturer-specific procedures

Gas Valve Repairs

Safe gas valve operation is critical:

Valve Testing Procedures
Inlet and outlet pressure testing
Electrical signal verification
Safety shut-off confirmation
Leak detection at connections
Proper operation sequencing

Safety-First Repair Philosophy

Protecting Your Family

Carbon Monoxide Prevention

Every repair visit includes:

  • CO testing throughout home
  • Heat exchanger inspection
  • Ventilation verification
  • Detector recommendations
  • Safety education

Gas Leak Detection

We use multiple methods:

  • Electronic gas detectors
  • Bubble testing connections
  • Pressure drop testing
  • Combustible gas indicators
  • Immediate shut-off if needed

Brand Expertise

Multi-Brand Repair Capabilities

Armstrong Expertise

As ProTeam dealers, we excel with:

  • Factory training advantages
  • Technical support access
  • OEM parts availability
  • Warranty repair authorization
  • Model-specific knowledge

Universal Repair Skills

We service all major brands:

  • Carrier and Bryant
  • Trane and American Standard
  • Lennox and Goodman
  • Rheem and Ruud
  • York and Coleman

Parts Availability

Our vehicles carry:

  • Ignitors for popular models
  • Standard capacitors
  • Flame sensors
  • Limit switches
  • Common control boards

Cost Transparency

Understanding Repair Pricing

Diagnostic Fees

Our service call includes:

  • Complete system diagnosis
  • Safety inspection
  • Written estimate
  • Repair recommendations
  • Applied to repair cost

Common Repair Costs

While every situation varies:

  • Ignitor replacement: Most affordable
  • Blower motor repairs: Moderate investment
  • Control board replacement: Significant repair
  • Heat exchanger issues: Major consideration
  • Complete overhauls: Evaluation needed

Financing Options for Major Repairs

Service Finance Solutions

For unexpected repairs:

  • Quick approval process
  • Flexible payment terms
  • Competitive rates
  • No prepayment penalties
  • Simple application

Goodleap Financing

Additional options include:

  • Extended payment periods
  • Fixed-rate terms
  • Online applications
  • Same-day approvals
  • Transparent terms

Preventive Measures

Avoiding Future Repairs

Homeowner Maintenance

Simple steps prevent many repairs:

  • Monthly filter replacement during heating season
  • Keep vents and registers open
  • Annual professional maintenance
  • Thermostat battery replacement
  • Visual inspection for issues

Professional Maintenance Benefits

Regular service prevents:

  • 75% of furnace failures
  • Dangerous situations
  • Expensive emergency repairs
  • Premature replacement
  • Comfort disruptions

Warning Signs to Address

Don't Ignore These Symptoms

Call for service when noticing:

  • Yellow or flickering flames
  • Unusual odors during operation
  • Increasing heating bills
  • Frequent thermostat adjustments
  • Any unusual sounds

Technical Expertise

Why Experience Matters

Diagnostic Accuracy

Our 30 years provide:

  • Faster problem identification
  • Accurate first diagnosis
  • Knowledge of model quirks
  • Understanding system interactions
  • Efficient repair completion

Safety Knowledge

Experienced technicians ensure:

  • Proper repair procedures
  • Code compliance
  • Safety protocol adherence
  • Risk identification
  • Family protection

The Graco Repair Experience

Professional Service Standards:

  • Uniformed, identified technicians
  • Shoe covers and drop cloths
  • Clear explanation of work
  • Clean work area maintenance
  • Complete system testing
Graco Heating & Air Service Area Map - Lewisville & North Texas

SERVING LEWISVILLE AND BEYOND

SERVICE AREAS AND LOCAL EXPERTISE IN LEWISVILLE & NORTH TEXAS

Our Lewisville headquarters positions us perfectly to serve North Texas communities with quick response times, local climate knowledge, and area-specific solutions. Our established supplier relationships make serving our community even easier, both on the job and off.

DON'T SEE YOUR LOCATION LISTED?

We proudly serve homeowners throughout Denton, Collin, Dallas, Cooke, and Grayson counties. Our local expertise allows us to provide quick, reliable service across the region. If you're in the area, just give us a call to confirm service to your specific location.

We're Here to Help

Frequently Asked Questions

What customers want to know about furnace repair services

We offer same-day service for most calls and 24/7 emergency response for no-heat situations. Response times vary by location and demand but typically range from 2-4 hours for emergencies.

This depends on the repair cost, furnace age, and efficiency. We provide honest assessments considering the 50% rule: if repairs exceed 50% of replacement cost on units over 10 years, replacement usually makes sense.

We're authorized to perform warranty repairs on Armstrong equipment and work with most manufacturer warranties. We'll verify coverage and handle claim procedures to minimize your costs.

Yes, we offer weekend and emergency services. While rates may be higher for after-hours calls, we understand heating emergencies don't follow business hours.

Absolutely. We provide labor warranties on all repairs and honor manufacturer parts warranties. If a repair fails within the warranty period, we return at no charge.

First, check your thermostat settings and circuit breaker. If these are fine, call us immediately. For complete failures in extreme cold, we prioritize emergency calls and can provide temporary heating solutions.

Yes, our technicians are trained to service all major HVAC brands including Carrier, Trane, Lennox, Goodman, Rheem, York, and many others. We maintain relationships with parts suppliers for most systems.

Repair costs vary widely depending on the issue. We provide upfront pricing before starting work.

Call immediately for yellow flames, gas odors, carbon monoxide detector alarms, or burning electrical smells. These indicate potentially dangerous conditions requiring immediate professional attention.

Yes, we partner with Service Finance and GoodLeap to offer flexible financing options for major repairs. Quick approval processes and competitive rates make it easier to get your furnace running without straining your budget.

The Smart Choice

Trust Graco Heating & Air for Furnace Repair

When your furnace needs repair, you need more than just a quick fix – you need experienced professionals who prioritize safety, quality, and your family's comfort. With over 30 years serving North Texas, Graco Heating & Air delivers the expertise and service excellence your home deserves.

Don't let furnace problems leave you in the cold. Visit our contact page to schedule your furnace repair service and experience the difference that genuine expertise makes.

30+ Years

Expert Experience

Licensed

TX Certified

24/7

Emergency Service

100%

Satisfaction

More Furnace Services

Repair, replacement and fall tune-ups for gas heating across Lewisville and North Texas.

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