Heating & AC Repair in Duluth, MN

Expert diagnostics and repairs to keep you comfortable in every season.

Comfort in Every Season

Introduction to Heating & AC Services

Your vehicle’s heating and air conditioning system plays a key role in comfort, safety, and overall driving experience. Whether you’re dealing with freezing Minnesota winters or warmer summer days, a properly functioning HVAC system is essential. At Thompson’s T-Express, we provide expert heating and AC repair in Duluth, MN, ensuring your vehicle stays comfortable in every season.


Since 1971, we’ve been a trusted provider of auto repair services in Duluth. Our ASE-certified technicians have the experience and tools to diagnose and repair heating and cooling systems in both foreign and domestic vehicles.


Located at 210 South 27th Avenue West, we are a AAA Approved Auto Repair Facility, offering reliable repairs backed by a 12-month / 12,000-mile warranty.

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Why Heating & AC Systems Matter

Your vehicle’s HVAC system does more than just control temperature—it also contributes to visibility and safety. A properly working system helps:

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Keep you comfortable in extreme weather

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Defrost and defog windows for better visibility

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Maintain proper airflow inside your vehicle

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Improve overall driving experience

When your heating or AC system isn’t functioning correctly, it can make driving uncomfortable and even unsafe.

complete system care

Our Heating & AC Repair Services

We offer complete HVAC system services to keep your vehicle comfortable year-round.

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Air Conditioning Repair

If your AC isn’t cooling properly, it may be due to low refrigerant, leaks, or component failure.



Our AC services include:

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AC system diagnostics

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Refrigerant recharge

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Leak detection and repair

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Compressor and component repair

We restore your cooling system so you can drive comfortably in warmer weather.

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Heating System Repair

A reliable heating system is essential during cold Duluth winters. If your heater isn’t working properly, we provide:

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Heater core inspection and repair

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Thermostat replacement

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Blower motor repair

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Heating system diagnostics

We ensure your vehicle stays warm and safe in cold conditions.

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Climate Control System Diagnostics

Modern vehicles use advanced climate control systems. Our technicians use diagnostic tools to identify issues with:

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Temperature control systems

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Sensors and electrical components

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Airflow problems

Accurate diagnostics ensure efficient and effective repairs.

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Ventilation & Airflow Repair

Proper airflow is essential for both heating and cooling performance. We address issues such as:

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Weak airflow from vents

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Blocked or damaged ducts

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Cabin air filter problems

This helps maintain consistent air circulation throughout your vehicle.

Signs You Need Heating or AC Repair

If you notice any of the following issues, it’s time to schedule service. Addressing these issues early can prevent more serious and costly repairs.

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AC blowing warm air

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Heater not producing enough heat

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Strange odors from vents

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Weak airflow

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Unusual noises when system is running

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Windows not defrosting properly

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Why Choose Thompson’s T-Express for HVAC Repair

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Serving Duluth Since 1971

With decades of experience, we’ve built a strong reputation for reliable auto repair.

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ASE Certified Technicians

Our skilled team provides accurate diagnostics and expert repairs.

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AAA Approved Auto Repair Facility

We meet high standards for quality and customer satisfaction.

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Warranty-Backed Repairs

All qualifying services are backed by a 12-month / 12,000-mile warranty.

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Foreign & Domestic Vehicle Expertise

All qualifying services are backed by a 12-month / 12,000-mile warranty.

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Fast, Reliable Service

We work efficiently to restore your comfort and get you back on the road.

Heating & AC Service for All Vehicles

At Thompson’s T-Express, no matter what you drive, we provide HVAC services tailored to your vehicle’s needs.

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Cars

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Trucks

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SUVs

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Foreign and domestic vehicles

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Serving Duluth, MN and Surrounding Areas

We proudly serve drivers throughout Duluth, MN and nearby communities. Whether you’re preparing for winter or staying cool in the summer, our team is here to keep your vehicle comfortable.



Our convenient location makes it easy to access expert heating and AC repair services when you need them.

Got Questions?

Frequently Asked Questions

  • Why is my car AC not blowing cold air?

    It could be due to low refrigerant, leaks, or a faulty compressor. A diagnostic check will identify the issue.

  • Why is my heater not working?

    Common causes include a faulty thermostat, heater core issues, or low coolant levels.

  • How often should I service my AC system?

    It’s recommended to have your AC system inspected at least once a year.

  • What causes weak airflow from vents?

    This can be caused by clogged filters, duct issues, or blower motor problems.

  • Do you service all vehicle types?

    Yes, we work on both foreign and domestic vehicles.

Get In Touch

Schedule Your Heating & AC Repair Today

Stay comfortable year-round with professional heating and AC repair in Duluth, MN at Thompson’s T-Express.

Call today or visit our shop to schedule your HVAC service. Let our experienced team keep your vehicle comfortable in every season.