Greg Hahn Heating & Air Conditioning
Decatur, IL AC Replacement
ⓘ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
Review sentiment: 90/100
Overview
Greg Hahn Heating & Air Conditioning lists full-system changeouts and central AC replacements. The website lists financing options for larger installs. The site advertises emergency service and same-day response for Central Illinois customers. Local reviews note prompt service and courteous technicians in Decatur neighborhoods.
Central AC replacement and full-system changeouts in Decatur, IL. Greg Hahn's website lists financing options for larger installations. Greg Hahn advertises emergency service and same-day response on its site. Commercial refrigeration for walk-in coolers and ice-machine service is noted.
Score breakdown
Editorial Review
52
48%
Google Rating
97
18%
Local Search Rank
46
10%
Review Sentiment
90
16%
Review Volume
32
10%
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
What customers say
Where they stand on this page:
Highest rating on this page (4.9★ vs page median 4.5★)
Reviewers praise:
prompt servicecourteous technicianseasy scheduling
Pros & cons
Pros
Services offered (self-reported)
Cons
- Smaller review history (14 Google reviews)
When to choose them
- You need same-day or after-hours service
- You need to finance the work
- You have a commercial property
Services
Service area
Contact & hours
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🌐
✉️
📍
🕒
Call for hours
Frequently asked questions
What are the pros of Greg Hahn Heating & Air Conditioning?
Based on public records and customer reviews: Emergency response: 24/7; Financing available.
What are the cons of Greg Hahn Heating & Air Conditioning?
Concerns flagged from public records and reviews: Smaller review history (14 Google reviews).
When should I choose Greg Hahn Heating & Air Conditioning?
Choose them if: You need same-day or after-hours service; You need to finance the work; You have a commercial property.
What is the Vouched Score for Greg Hahn Heating & Air Conditioning?
63/100. Top contributing signals: Google Rating 97/100+ Review Sentiment 90/100, Llm Score 52/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How can I contact Greg Hahn Heating & Air Conditioning?
Call Greg Hahn Heating & Air Conditioning at +1-217-428-4545. Address: 4246 W Main St, Decatur, IL 62522, USA.
What does AC replacement service typically cost when working with a Decatur, IL provider like Greg Hahn Heating & Air Conditioning?
Full AC system replacement typically runs $5,500–$13,050, and AC condenser replacement runs $1,200–$4,200 in Decatur, Illinois. These are area-wide market estimates, not Greg Hahn Heating & Air Conditioning's quotes. For an exact price, request a written estimate from Greg Hahn Heating & Air Conditioning.
Does Greg Hahn Heating & Air Conditioning do AC Replacement in Decatur, IL?
Yes. Greg Hahn Heating & Air Conditioning lists AC Replacement among its services and serves Decatur, IL and Replacement Decatur, IL. Call +1-217-428-4545 for a quote.
Does Greg Hahn Heating & Air Conditioning do Emergency HVAC Service in Decatur, IL?
Yes. Greg Hahn Heating & Air Conditioning lists Emergency HVAC Service among its services and serves Decatur, IL and Replacement Decatur, IL. Call +1-217-428-4545 for a quote.
Does Greg Hahn Heating & Air Conditioning do Commercial HVAC in Decatur, IL?
Yes. Greg Hahn Heating & Air Conditioning lists Commercial HVAC among its services and serves Decatur, IL and Replacement Decatur, IL. Call +1-217-428-4545 for a quote.
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
Greg Hahn Heating & Air Conditioning (this company) ⭐ Full-System Changeout |
63/100 | 4.9★ (10+) | — |
Air King Inc. ⭐ Best for New System Installation · ⭐ Best for Mini-Splits / Ductless |
84/100 | 4.8★ (380+) | 31+ |
Design-Air Heating & A/C, LLC ⭐ Best Manufacturer-Authorized Installer |
64/100 | 4.4★ (50+) | 49+ |
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Profile last updated July 24, 2026.