Hiller Plumbing, Heating, Cooling & Electrical
Knoxville, TN Indoor Air Quality · #1 of 6 · 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
⏱ 36+ years in business
Review sentiment: 95/100
At a glance
- Google rating
- 4.9★ from 5,395+ reviews
- In business
- 36+ years
- Service area
- Knoxville, TN + 1 nearby
Overview
Editorial review
Ventilation services lead their IAQ line, with ERV/HRV listed among system options. Hiller notes whole-house dehumidifier installs on its HVAC pages. The company reports financing and free inspection offers for home IAQ projects. Hiller was founded in 1990, giving it a long local presence. Knoxville's humid summers make dehumidification and ventilation important home upgrades.
Whole-home indoor air quality services in Knoxville, focusing on humidity control and ventilation. Lists ERV/HRV ventilation among its IAQ offerings. Lists whole-house dehumidifier installation and related equipment. Founded 1990, reporting 35+ years in business.
Vouched Score breakdown — 93/100
Above the Knoxville, TN Indoor Air Quality average of 85/100. Ranks #1 of 6 listed Indoor Air Quality providers in Knoxville, TN.
Editorial Review
88
46%
Google Rating
97
17%
Local Search Rank
100
9%
Review Sentiment
95
15%
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 | 93/100 | 85/100 | +8 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 5,395+ | 1,650+ | +3745 vs avg |
| Years in business | 36+ | 30+ | +6 vs avg |
What customers say
Where they stand on this page:
Largest review base on the page (5,395+ reviews vs next 1,463)
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
- Free estimates
punctualityknowledgeable techniciansclear explanationsfast response
Cons
What reviewers flag
rating divergence
When to choose them — and when to consider alternatives
Choose them if
- You need to finance the work
- You prefer a family-owned operation
- 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
Service area
Knoxville, TN home · Services 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
📍
🕒
Emergency service available
call for routine 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; Free estimates.
When should I choose Hiller Plumbing, Heating, Cooling & Electrical?
Choose them if: You need to finance the work; You prefer a family-owned operation; 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?
93/100. Top contributing signals: Google Position 100/100, Years In Business 100/100, Google Review Count 100/100. 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 indoor air quality service typically cost when working with a Knoxville, TN provider like Hiller Plumbing, Heating, Cooling & Electrical?
Whole-house HEPA air purifier typically runs $1,250–$3,300, and UV-C germicidal lamp runs $250–$990 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.
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Hiller Plumbing, Heating, Cooling & Electrical (this company) |
93/100 | 4.9★ (5,395+) | 36+ | — | — | Highest Vouched Score Humidity Control |
| 86/100 | 4.9★ (1,295+) | 27+ | — | — | — | |
| 85/100 | 4.9★ (830+) | 50+ | — | — | Best for UV-C Sterilization Best for Air Filtration |
|
| 83/100 | 4.8★ (1,170+) | 10+ | — | — | — |
Listed in
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Profile last updated July 8, 2026.