Duncan's Auto Services

Auto repair shop
Open · Closes 6:00 PM
4.8 (190 reviews)
40 Intervale Rd, Burlington, VT 05401

About

Duncan's Auto Services is a trusted provider of emissions testing in Burlington, Vermont. They specialize in emissions testing and vehicle inspections to ensure your vehicle complies with state standards. The team at Duncan's Auto Services has a reputation for thorough and honest service, backed by many positive customer reviews. Customers appreciate the professionalism, fair pricing, and helpful staff. While focusing on emissions and inspections, they also provide services to address emissions problems including catalytic converter, exhaust, and O2 sensor repairs. Located at 40 Intervale Rd, Burlington, Vermont, they deliver reliable auto inspection and testing services to help keep your vehicle running smoothly and legally. Open from 7 am to 6 pm on weekdays, Duncan's Auto Services is ready to assist with your emissions testing needs.

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Services Offered

emissions testing
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Emissions-related repairs
Catalytic Converter Service
Exhaust Repair
O2 Sensor Replacement

What Customers Say

Review Summary

Customers generally find Duncan's Auto Services to be reliable and professional. Many reviews highlight the helpfulness of the staff and their thorough approach to testing and inspections. While some may experience wait times during busy hours, the overall experience is positive. Pricing is seen as fair, and the staff's transparency helps build trust. Customers appreciate the honesty and quality work, making Duncan's a preferred choice for emissions testing and vehicle inspections in Burlington, Vermont. The friendly service and competence foster customer loyalty and repeat visits.

Hours Open now
Mon 7 am–6 pm
Tue 7 am–6 pm
Wed 7 am–6 pm
Thu 7 am–6 pm
Fri 7 am–6 pm
Sat Closed
Sun Closed

Frequently Asked Questions

Discover quick and comprehensive answers to common questions about our platform, listings, and services.

Duncan's Auto Services is located at 40 Intervale Rd, Burlington, Vermont. You can visit us during our business hours from 7 am to 6 pm on weekdays.
Duncan's Auto Services offers emissions testing, vehicle inspections, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs such as catalytic converter and exhaust repairs.
Yes, Duncan's Auto Services provides emissions testing and smog checks in Burlington, Vermont, helping vehicles meet state emission standards efficiently.
Our operating hours are from 7 am to 6 pm Monday through Friday. We are closed on Sundays and Saturdays.
You can contact Duncan's Auto Services by phone at plus one 802-864-9477. Our friendly staff is available to assist with scheduling and questions.
Appointments are recommended for emissions testing and examinations, but walk-ins are welcome during our hours if available.
Service duration varies depending on the specific work needed, but emissions testing and inspections generally take less than an hour.
Customers often comment on the professionalism and honesty of Duncan's Auto Services. They value the fair pricing and thorough service provided by the team.

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Making the Most of Your Visit to Duncan's Auto Services

Choosing the right emissions testing or smog check station in Burlington, Vermont can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Duncan's Auto Services is one of the licensed smog check locations in the area, and preparing properly before your visit can make the process smoother.

Understanding Vermont Smog Check Requirements

Emissions testing and smog check rules in Vermont vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within Burlington, confirm what applies to you before heading to Duncan's Auto Services. Our Vermont emissions testing guide outlines current 2025 rules, exemptions, and testing intervals.

Before Your Smog Check

To help make your emissions test quick and successful, consider preparing the following:

  • Confirm your registration address requires testing.
  • Ensure your check engine light is off and no recent codes have been cleared.
  • Warm up your vehicle by driving 10 to 15 minutes before testing.
  • Bring your registration or renewal notice and a valid photo ID.

Why Reviews Matter

Customer experiences can vary, so reading feedback from other drivers can help you understand what to expect. Duncan's Auto Services currently has 190 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask Duncan's Auto Services about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure Duncan's Auto Services is an active, licensed smog check station in Vermont.

  • 2
    Check Reviews

    Read recent customer feedback from other Burlington drivers to understand typical wait times and service quality.

  • 3
    Confirm Services

    Call ahead to confirm the types of smog checks and emissions tests offered and whether appointments are required.

  • 4
    Bring Required Documents

    Have your registration or renewal notice, ID, and any required paperwork ready when visiting the station.

  • 5
    Ask About Retest Policies

    Some stations offer discounted or free retests if your vehicle fails. Ask for details up front.

* This guide is for informational purposes only. Always confirm emissions testing requirements and smog check policies with your local Vermont authorities.