Hiller Plumbing, Heating, Cooling & Electrical
Knoxville, TN AC Replacement · #4 of 10 · 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 5,395+ reviews
- In business
- 36+ years
- Yelp
- 3.9★ from 100+ reviews
- Services
- 2 AC Replacement services
- Service area
- Knoxville, TN + 1 nearby
Overview
Editorial review
Full-system central AC replacements and combined AC+furnace changeouts are listed by Hiller.
Full central AC system replacement and full-system changeouts in Knoxville.
Vouched Score breakdown — 81/100
Above the Knoxville, TN AC Replacement average of 80/100. Ranks #4 of 10 listed AC Replacement providers in Knoxville, TN.
Editorial Review
78
44%
Yelp Rating
72
3%
Google Rating
97
16%
Local Search Rank
50
9%
Review Sentiment
78
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 | 81/100 | 80/100 | +1 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 5,395+ | 1,965+ | +3428 vs avg |
| Years in business | 36+ | 35+ | +1 vs avg |
What customers say
Pros & cons
Pros
Verified strengths
- High Google rating (4.9★ across 5,395+ reviews)
- Long-established (36+ years in business)
Self-reported on their website — not independently verified.
- Emergency response: 24/7
- Financing available
knowledgeable diagnosticsclear explanationspunctuality
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 same-day AC replacement
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (4.9★, 5,395+ reviews)
- You value a long-tenured local operator (36+ years in business)
Consider alternatives if
- Reports of rating divergence would be a deal-breaker for you
- You want a BBB-rated firm specifically
Services
- AC Replacement
- Emergency HVAC Service
Service area
Knoxville, TN home · Replacement 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 5,395+ reviews); Long-established (36+ years in business); Emergency response: 24/7; Financing available.
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 same-day AC replacement; You need same-day or after-hours service; You need to finance the work; You want a top-rated provider with substantial review history (4.9★, 5,395+ reviews); You value a long-tenured local operator (36+ years in business).
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?
81/100. 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 replacement service typically cost when working with a Knoxville, TN provider like Hiller Plumbing, Heating, Cooling & Electrical?
Full AC system replacement typically runs $4,550–$10,750, and AC condenser replacement runs $990–$3,450 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 Replacement in Knoxville, TN?
Yes. Hiller Plumbing, Heating, Cooling & Electrical lists AC Replacement among its services and serves Knoxville, TN and Replacement 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 Replacement Knoxville, TN.
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Hiller Plumbing, Heating, Cooling & Electrical (this company) |
81/100 | 4.9★ (5,395+) | 36+ | — | 3.9★ | — |
| 84/100 | 4.9★ (1,295+) | 27+ | — | — | Highest Vouched Score Best for Commercial AC Replacement Best NATE-Certified Installer |
|
| 82/100 | 4.9★ (830+) | 50+ | — | — | — | |
| 74/100 | 4.8★ (1,170+) | 10+ | — | 2.6★ | — |
Listed in
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Profile last updated July 6, 2026.