— Heating & air conditioning (HVAC) · Knoxville, TN

Heating & air conditioning (HVAC) in Knoxville.

A-1 Certified Service, Inc. is a heating & air conditioning (hvac) business in Knoxville, TN. This page is built from public business records and hasn’t been confirmed by the owner yet.

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📄 Listed from public records
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AssistAnt › Pro directory › Knoxville, TN
What we do

Services

❄️Heating & air conditioning (HVAC)
Checked, with dates

🧾 Trust Card · 2 receipts

  • Listed in the AssistAnt 24/7 directoryBusiness record from Overture Maps open business data (CDLA-Permissive-2.0).
  • Shown as open for business in the source dataOperating status in the business record.

Not verified yet: Owner has not confirmed this listing yet; License and insurance not reviewed by AssistAnt yet; No AssistAnt job history linked to this listing yet.

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In their words

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Where

Service area

Map of the Knoxville, TN area (© Google). Is this your business? Claim it and put up your own photos →

About A-1 Certified Service, Inc.

A-1 Certified Service, Inc. is listed on AssistAnt for heating & air conditioning (hvac) in Knoxville, TN.

Built from public business information. Call to confirm before you go.

Contact

Phone
(865) 691-5088
Website
a-1certifiedservice.com
Location
Knoxville, TN, 37931 (service area)
Booking
Not bookable online yet. Call the business directly.
Listed from public recordsNot verified yet. Details come from open business data and may be out of date.See the Trust Card: what we checked, how and when →

Quick facts about A-1 Certified Service, Inc.

What is the phone number for A-1 Certified Service, Inc.?
(865) 691-5088. You call A-1 Certified Service, Inc. directly; AssistAnt never sits in the middle.
Where is A-1 Certified Service, Inc.?
A-1 Certified Service, Inc. serves Knoxville, TN as a service-area business (no street address shown).
Is A-1 Certified Service, Inc. still in business?
Listed from public business records, last updated September 30, 2026. Call to confirm.
Is A-1 Certified Service, Inc. licensed and insured?
Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.
Who else is near Knoxville?
AssistAnt lists 124 HVAC companies near Knoxville. Closest to A-1 Certified Service, Inc.: Advanced Heat Ac & Plumbing (0.3 mi), Keith Powell Heating and Cooling (1.9 mi), Rocky Top HVAC (2.0 mi).
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AI Visibility Score
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Other HVAC companies nearby

All HVAC companies near Knoxville, TN (124) →

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🎓 Want to learn HVAC?

TCAT Knoxville teaches it, about 8 miles away in Knoxville. Tennessee Colleges of Applied Technology train the people who do this work. TCAT graduates get a free page here →

AssistAnt isn't affiliated with TCAT; we just believe in it. Our founder is a TCAT Murfreesboro graduate.

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