Hiller Plumbing, Heating, Cooling & Electrical
Knoxville, TN HVAC · #2 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
⏱ 36+ years in business
Review sentiment: 95/100
At a glance
- Google rating
- 4.9★ from 5,390+ reviews
- In business
- 36+ years
- Services
- 7 HVAC services
- Service area
- Knoxville, TN
Overview
Editorial review
Hiller leads with high-volume ac repair and system replacement work across Knoxville. Years in business: 35+ years. Financing options are listed on their site for larger replacements. Knoxville's humid summers make quick cooling response important for local homeowners.
Full-service HVAC company focused on AC repair and system replacement in the Knoxville region. Years in business: 35+ years. Emergency service advertised (24/7), per their site. Financing available, per their site, for select system replacements.
Vouched Score breakdown — 88/100
Above the Knoxville, TN HVAC average of 81/100. Ranks #2 of 10 listed HVAC providers in Knoxville, TN.
Editorial Review
79
46%
Google Rating
97
17%
Local Search Rank
82
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 | 88/100 | 80/100 | +8 vs avg |
| Google rating | 4.9★ | 4.8★ | +0.1 vs avg |
| Review volume | 5,390+ | 1,915+ | +3473 vs avg |
| Years in business | 36+ | 33+ | +3 vs avg |
What customers say
Reviewers praise:
technical knowledgepunctualityfast repairs
Pros
Verified strengths
- High Google rating (4.9★ across 5,390+ reviews)
- Long-established (36+ years in business)
Self-reported on their website — not independently verified.
- Emergency response: 24/7
- Financing available
- Specializes in AC repair
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★, 5,390+ reviews)
- You value a long-tenured local operator (36+ years in business)
Consider alternatives if
- You want a BBB-rated firm specifically
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Thermostat Installation
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
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 5,390+ reviews); Long-established (36+ years in business); Emergency response: 24/7; Financing available; Specializes in AC repair.
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★, 5,390+ 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: You want a BBB-rated firm specifically.
What is the Vouched Score for Hiller Plumbing, Heating, Cooling & Electrical?
88/100. 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 HVAC service typically cost when working with a Knoxville, TN provider like Hiller Plumbing, Heating, Cooling & Electrical?
AC repair typically runs $125–$535, and full AC system replacement runs $4,550–$10,750 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.
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.
Does Hiller Plumbing, Heating, Cooling & Electrical do HVAC Installation in Knoxville, TN?
Yes. Hiller Plumbing, Heating, Cooling & Electrical lists HVAC Installation among its services and serves Knoxville, TN.
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Hiller Plumbing, Heating, Cooling & Electrical (this company) |
88/100 | 4.9★ (5,390+) | 36+ | — | — | Smart Thermostat Install |
| 89/100 | 4.9★ (1,300+) | 27+ | — | — | Highest Vouched Score Best for Upfront Pricing Best for Free Estimates |
|
| 80/100 | 4.9★ (730+) | — | — | 4.1★ | — | |
| 77/100 | 4.8★ (1,165+) | 10+ | — | 2.6★ | — |
Listed in
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Profile last updated July 5, 2026.