System Repair Services

Expert diagnosis and repair with same-day service for most heating system issues

Heating System Repair & Troubleshooting

Fast, reliable repair service from certified technicians

Emergency? Call Us Now!

We're here when you need us most! Heating problems don't wait for business hours, and neither do we. Our emergency repair service is available 24/7 with no additional charges for after-hours service.

Emergency Service Hotline

(636) 462-3770

Available 24/7 - No Extra Charges

Common Heating Emergencies We Handle:

  • Complete System Failure: No heat at all
  • Carbon Monoxide Issues: Detector alarms or suspected leaks
  • Gas Leaks: Smell of gas or hissing sounds
  • Electrical Problems: Tripped breakers or burning smells
  • Water Leaks: From boilers or condensate systems
  • Strange Noises: Banging, screeching, or rumbling sounds
Emergency heating repair technician working on furnace

Our Repair Services

Comprehensive heating system repair with transparent pricing

🔥

Furnace Repair

Complete furnace repair service including ignition systems, burners, heat exchangers, and control boards.

$89 - $450
  • Ignition system repair
  • Flame sensor replacement
  • Blower motor repair
  • Heat exchanger repair
  • Thermostat wiring
Schedule Repair
🌡️

Thermostat Issues

Thermostat repair, replacement, and calibration to ensure accurate temperature control and system operation.

$75 - $200
  • Thermostat calibration
  • Digital thermostat installation
  • Smart thermostat setup
  • Wiring repair
  • Sensor replacement
Schedule Repair
⚡

Electrical Problems

Electrical system repair including wiring, circuit boards, motors, and safety controls.

$100 - $350
  • Control board replacement
  • Motor repair and replacement
  • Wiring repair
  • Safety switch repair
  • Breaker and fuse issues
Schedule Repair
🔧

Pilot Light Problems

Pilot light repair and adjustment for older heating systems, including thermocouple replacement and gas valve repair.

$89 - $175
  • Pilot light adjustment
  • Thermocouple replacement
  • Gas valve repair
  • Flame sensor cleaning
  • Safety check and testing
Schedule Repair
💧

Boiler Repair

Complete boiler repair service including pressure issues, leaks, pumps, and heating elements.

$125 - $500
  • Pressure relief valve
  • Circulator pump repair
  • Heating element replacement
  • Leak repair
  • Thermostat and controls
Schedule Repair
💨

Ductwork Issues

Duct repair and sealing to improve airflow, reduce energy loss, and enhance system efficiency.

$150 - $600
  • Duct leak sealing
  • Insulation repair
  • Blockage removal
  • Airflow balancing
  • Connection repair
Schedule Repair

Our Diagnostic Process

Thorough diagnosis to identify and fix the root cause of your heating problems

Precise Diagnosis, Reliable Repair

We don't just fix symptoms - we find and repair the root cause of your heating problems. Our systematic diagnostic process ensures accurate identification and complete resolution of issues.

🔍

Initial Assessment

We start by listening to your concerns and gathering information about the symptoms you're experiencing.

  • Customer interview about symptoms
  • System age and history review
  • Previous repair history
  • Recent changes or issues
🔧

Visual Inspection

Comprehensive visual inspection of all accessible system components to identify obvious issues.

  • Furnace/boiler exterior inspection
  • Filter condition check
  • Vent and chimney inspection
  • Electrical connection check
⚡

System Testing

Advanced testing using professional diagnostic equipment to measure system performance and identify issues.

  • Voltage and amperage testing
  • Pressure and temperature measurement
  • Carbon monoxide testing
  • Efficiency measurement
🛠️

Component Testing

Detailed testing of individual components to isolate the specific cause of the problem.

  • Ignition system testing
  • Motor and fan testing
  • Sensor and switch testing
  • Control board diagnostics

"Our furnace died on the coldest night of the year. One Guy Plus arrived within an hour, diagnosed the problem quickly, and had us warm again in under two hours. Professional, efficient, and reasonably priced!"

👨‍👩‍👧
Sarah Mitchell

St. Charles, MO

What Sets Our Diagnostics Apart?

  • Advanced Equipment: We use professional diagnostic tools not available to DIYers
  • Systematic Approach: No guessing - we follow a proven diagnostic process
  • Root Cause Focus: We fix the actual problem, not just the symptoms
  • Safety First: We test for carbon monoxide and other safety hazards
  • Complete Documentation: You receive a detailed report of findings and repairs

Common Heating Problems

Recognize these common issues and know when to call for professional help

Don't Ignore These Warning Signs

Early detection and repair can prevent minor issues from becoming major, expensive problems. Watch for these common heating system symptoms:

❄️

No Heat

Symptoms: System runs but no warm air, or system doesn't start at all

Common Causes: Pilot light out, thermostat issues, gas supply problems, electrical issues

Action: Check thermostat settings first, then call for professional diagnosis

🔥

Insufficient Heat

Symptoms: System runs but house doesn't reach desired temperature

Common Causes: Dirty filters, low gas pressure, duct leaks, undersized system

Action: Replace filter first, then schedule professional inspection

🔊

Loud Noises

Symptoms: Banging, screeching, rattling, or grinding sounds

Common Causes: Loose parts, motor issues, duct problems, ignition problems

Action: Schedule immediate inspection to prevent further damage

💨

Poor Airflow

Symptoms: Weak airflow from vents, some rooms hotter/colder than others

Common Causes: Dirty filters, duct blockages, blower motor issues, duct leaks

Action: Replace filter, then call for professional duct inspection

Emergency Warning Signs

These symptoms require immediate professional attention:

  • Gas Smell: Evacuate home and call emergency services immediately
  • Carbon Monoxide Alarm: Evacuate and call 911, then call heating professional
  • Smoke or Fumes: Turn off system and call for emergency service
  • Burning Smell: Turn off system and call for immediate inspection
  • Water Leaks: Around boiler or condensate system - call immediately
Heating technician using diagnostic equipment on furnace

Our Repair Process

What to expect when you call for heating system repair

📞

1. Call for Service

Call our service line and describe your heating issue. We'll gather basic information and schedule your appointment.

  • Describe your heating problem
  • Provide your contact information
  • Schedule convenient appointment time
  • Get estimated arrival window
🔧

2. Technician Arrival

Our certified technician arrives at your home, introduces themselves, and begins the diagnostic process.

  • Technician arrives within scheduled window
  • Professional introduction and explanation
  • Initial visual inspection
  • Safety check of system and area
🔍

3. System Diagnosis

Comprehensive diagnostic testing to identify the root cause of your heating problem.

  • Detailed system testing
  • Component-by-component inspection
  • Performance measurement
  • Clear explanation of findings
🛠️

4. Repair & Testing

Professional repair of the identified issues, followed by comprehensive testing to ensure proper operation.

  • Professional repair using quality parts
  • System reassembly and calibration
  • Comprehensive testing and verification
  • Customer education about the repair

Transparent Pricing Guarantee

We provide upfront pricing with no hidden fees. You'll know the cost before any work begins.

No Diagnostic Fees

We don't charge for basic system diagnosis

Upfront Pricing

Know your cost before we begin any work

Quality Parts

We use only manufacturer-approved replacement parts

Quality Commitment

All repairs come with our service commitment to quality

Need Heating System Repair?

Call now for fast, reliable repair service

Call Now (636) 462-3770 Schedule Online

Emergency service available 24/7 with no extra charges

We use cookies to enhance your experience and analyze our traffic. By continuing to use our website, you consent to our use of cookies.