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HVAC Diagnostic Services in Bristol, NH & the Lakes Region

Find the problem. Fix it right—the first time.

Why Choose Smith River for HVAC Diagnostics?

Accurate diagnosis is the first step to a lasting repair. At Smith River HVAC, our trained technicians use proven methods and specialized tools to pinpoint the exact cause of heating, cooling, or water system issues—saving you time, money, and frustration.

  • Multi-brand expertise, including Mitsubishi Electric, Carrier, Trane, and more
  • Full system performance testing
  • Clear explanations of what’s wrong and why
  • Honest recommendations with no unnecessary upselling
Professional, Efficient, and Clean from Start to Finish

What to Expect from a Diagnostic Service Call

1

System Check-In

We review your system’s history and recent performance.
2

Thorough Inspection

We test components, check airflow, measure temperatures, and evaluate efficiency.
3

Clear Report

We explain the problem in plain language and outline your repair or replacement options.
4

Upfront Pricing

You’ll know the cost before any work is done.

If parts are needed, we’ll source them quickly and schedule your service at the earliest possible time.

Schedule a Diagnostic Service

Don’t waste time guessing what’s wrong—let us find and fix it.

Schedule Now

Have a General Question?

📞 Call 603-217-0851 or Request a Quote to start your own success story.

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