Hiller Plumbing, Heating, Cooling & Electrical
Knoxville, TN AC Repair · #2 of 11 · 36+ yrs
ⓘVouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
At a glance
- Google rating
- 4.9★ from 5,385+ reviews
- In business
- 36+ years
- Yelp
- 3.9★ from 100+ reviews
- Services
- 3 AC Repair services
- Service area
- Knoxville, TN + 1 nearby
Overview
Editorial review
Hiller emphasizes AC repair and diagnostics with part-level fixes and system troubleshooting. Hiller lists 35+ years in business, founded 1990. Hiller notes 24/7 same-day emergency response for Knoxville's humid summer cooling emergencies. Hiller advertises financing options and free inspection scheduling on its site. Local reviews mention technicians who explain issues and follow up after repairs.
AC repair and diagnostics focused on part-level fixes in Knoxville, TN. Emergency response: 24/7 same-day service advertised. Years in business: 35+ years (founded 1990). Financing available and free inspection scheduling are noted on the website.
Vouched Score breakdown — 83/100
Above the Knoxville, TN AC Repair average of 80/100. Ranks #2 of 11 listed AC Repair providers in Knoxville, TN.
Editorial Review
76
44%
Yelp Rating
72
3%
Google Rating
97
16%
Local Search Rank
80
9%
Review Sentiment
80
14%
Years in Business
100
4%
Google Review Volume
100
9%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
How Hiller Plumbing, Heating, Cooling & Electrical compares to the Knoxville average
| Signal | Hiller Plumbing, Heating, Coo… | Knoxville avg | Delta |
|---|---|---|---|
| Vouched Score | 83/100 | 80/100 | +3 vs avg |
| Google rating | 4.9★ | 4.8★ | +0.1 vs avg |
| Review volume | 5,385+ | 1,790+ | +3596 vs avg |
| Years in business | 36+ | 34+ | +2 vs avg |
What customers say
Pros & cons
Pros
Verified strengths
- High Google rating (4.9★ across 5,385+ reviews)
- Long-established (36+ years in business)
Self-reported on their website — not independently verified.
- Emergency response: 24/7
- Satisfaction guarantee
- Financing available
- Free estimates
- Specializes in AC repair
clear explanationssame-day repairspunctuality
Cons
- Lower Yelp rating than Google (3.9★ vs 4.9★)
rating divergence
When to choose them — and when to consider alternatives
Choose them if
- You need AC tune-up & maintenance
- You need commercial AC repair
- You need same-day or after-hours service
- You need to finance the work
- You have a commercial property
Consider alternatives if
- Reports of rating divergence would be a deal-breaker for you
- You want a BBB-rated firm specifically
Services
- AC Repair
- Emergency HVAC Service
- Commercial HVAC
Service area
Knoxville, TN home · Repair Knoxville, TN home
What Hiller Plumbing, Heating, Cooling & Electrical publishes about pricing
Maintenance plans
-
$39/mo
As published: $39/mo"…or Whole Home Water Filtration System Starting at $39/mo $99 Drain Cleaning BOGO Free Light Fixture Instal…" -
Maintenance Program
As published: Maintenance Program"…nel Upgrades and Replacement Generators Generator Maintenance Program Lighting Surge Protection Commercial Electrical F…"
Financing
-
0% financing
As published: 0% financing"…a Cooling Tune-Up, Get Additional Tune-Up for $50 0% Interest on Select New Whole-Home Generator Whole Home Wat…"
Happy You'll Be Guarantee More Promotions Happy Hiller Club Happy You'll Be Guarantee Company About Accessibility Careers Happy Hiller Club Happy You’ll Be Guarantee Contact Us Resources Blog Financing Options Sponsorships Advertising Reviews Careers $500 Off RUUD Tankless Water Heater Buy a Cooling Tune-Up, Get Additional Tune-Up for $50 0% Interest on Select New Whole-Home Generator Whole Home Water Filtration System Starting at $39/mo $99 Drain Cleaning BOGO Free Light Fixture Installation Fr
Guarantees & credentials
- Satisfaction guaranteed
- Licensed
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
What are the pros of Hiller Plumbing, Heating, Cooling & Electrical?
Based on public records and customer reviews: High Google rating (4.9★ across 5,385+ reviews); Long-established (36+ years in business); Emergency response: 24/7; Satisfaction guarantee; Financing available; Free estimates; Specializes in AC repair.
What are the cons of Hiller Plumbing, Heating, Cooling & Electrical?
Concerns flagged from public records and reviews: Lower Yelp rating than Google (3.9★ vs 4.9★).
When should I choose Hiller Plumbing, Heating, Cooling & Electrical?
Choose them if: You need AC tune-up & maintenance; You need commercial AC repair; You need same-day or after-hours service; You need to finance the work; You have a commercial property.
When should I consider alternatives to Hiller Plumbing, Heating, Cooling & Electrical?
Consider alternatives if: Reports of rating divergence would be a deal-breaker for you; You want a BBB-rated firm specifically.
What is the Vouched Score for Hiller Plumbing, Heating, Cooling & Electrical?
83/100. Top contributing signals: Years In Business 100/100, Google Review Count 100/100, Google Rating 97/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has Hiller Plumbing, Heating, Cooling & Electrical been in business?
Hiller Plumbing, Heating, Cooling & Electrical has been operating for 36+ years in Knoxville, TN.
What does AC repair service typically cost when working with a Knoxville, TN provider like Hiller Plumbing, Heating, Cooling & Electrical?
AC service call / diagnostic fee typically runs $60–$125, and capacitor replacement runs $65–$330 in Knoxville, Tennessee. These are area-wide market estimates, not Hiller Plumbing, Heating, Cooling & Electrical's quotes. For an exact price, request a written estimate from Hiller Plumbing, Heating, Cooling & Electrical.
What pricing terms does Hiller Plumbing, Heating, Cooling & Electrical publish on their website?
Hiller Plumbing, Heating, Cooling & Electrical's website publishes: $39/mo, 0% financing. Promotions and plans change — confirm currently-available terms with Hiller Plumbing, Heating, Cooling & Electrical before acting.
Does Hiller Plumbing, Heating, Cooling & Electrical do AC Repair in Knoxville, TN?
Yes. Hiller Plumbing, Heating, Cooling & Electrical lists AC Repair among its services and serves Knoxville, TN and Repair Knoxville, TN.
Does Hiller Plumbing, Heating, Cooling & Electrical do Emergency HVAC Service in Knoxville, TN?
Yes. Hiller Plumbing, Heating, Cooling & Electrical lists Emergency HVAC Service among its services and serves Knoxville, TN and Repair Knoxville, TN.
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Hiller Plumbing, Heating, Cooling & Electrical (this company) |
83/100 | 4.9★ (5,385+) | 36+ | — | 3.9★ | — |
| 87/100 | 4.9★ (1,295+) | 27+ | — | — | Highest Vouched Score Most Transparent Pricing Best NATE-Certified Shop |
|
| 80/100 | 4.9★ (825+) | 50+ | — | — | — | |
| 80/100 | 4.9★ (730+) | — | — | 4.1★ | — |
Listed in
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Profile last updated July 6, 2026.