A+ Derr Heating & Cooling
Evansville, IN Indoor Air Quality · #2 of 4
Overview
Air purification work is highlighted on A+ Derr's site with whole-home purifier listings. Lennox Premier Dealer status appears on their website. Free estimates and financing options are listed for IAQ projects. Evansville's humid summers make whole-home dehumidification and ERV installs relevant. Multiple reviews praise fast emergency HVAC response in local accounts.
Whole-home IAQ installs in Evansville including purifiers, dehumidifiers, and ERV/HRV ventilation. Lennox Premier Dealer is noted on their website. Free estimates and financing options are listed for IAQ projects. Google shows a 4.9 rating across 1,290+ reviews.
Score breakdown
Above the Evansville, IN Indoor Air Quality average of 77/100. Ranks #2 of 4 listed Indoor Air Quality providers in Evansville, IN.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Evansville average
| Signal | A+ Derr Heating & Cooling | Evansville avg | Delta |
|---|---|---|---|
| Vouched Score | 84/100 | 77/100 | +7 vs avg |
| Google rating | 4.9★ | 4.8★ | +0.1 vs avg |
| Review volume | 1,290+ | 1,145+ | +148 vs avg |
Pros
- High Google rating (4.9★ across 1,290+ reviews)
When to choose them
- You want manufacturer-warranty installation work
- You need to finance the work
- You prefer a family-owned operation
- You want a top-rated provider with substantial review history (4.9★, 1,290+ reviews)
Service area
Published pricing
Maintenance plans
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Maintenance Plan
As published: Maintenance Plan"…ut Reviews Financing Residential New Construction Maintenance Plan Deals & Promotions Resources Community Involvemen…"
Financing
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0% financing
As published: 0% financing"…eld is hidden when viewing the form Campaign send 0% APR For Up To 12 Months Same-Day Approval Learn More…"
Estimates
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Free estimates
As published: Free estimates"…AC Alert A+ Pals Program Contact Schedule Service Free Estimate Service Area Careers Schedule Online free estimat…"
Guarantees & credentials
- 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 A+ Derr Heating & Cooling?
When should I choose A+ Derr Heating & Cooling?
What is the Vouched Score for A+ Derr Heating & Cooling?
How can I contact A+ Derr Heating & Cooling?
What does indoor air quality service typically cost when working with a Evansville, IN provider like A+ Derr Heating & Cooling?
What pricing terms does A+ Derr Heating & Cooling publish on their website?
Compare with nearby providers
| Provider | Vouched | Years | |
|---|---|---|---|
A+ Derr Heating & Cooling (this company) |
84/100 | 4.9★ (1,290+) | — |
| 61/100 | 4.4★ (65+) | 30+ | |
| 77/100 | 4.9★ (335+) | 68+ | |
| 83/100 | 5.0★ (660+) | 49+ |
Listed in
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Profile last updated July 24, 2026.