A+ Derr Heating & Cooling
Louisville, KY Indoor Air Quality · #1 of 7
At a glance
- Google rating
- 4.8★ from 2,340+ reviews
- Service area
- Louisville, KY + 1 nearby
- Phone
- +1-502-233-9022
Overview
ERV/HRV ventilation installations are listed among their whole-home IAQ offerings. Lennox Premier Dealer status is listed on their website. A+ Derr notes free estimates and financing options. Louisville's humid summers make humidity control relevant for basements and older homes.
Whole-home IAQ installs in Louisville, KY, including ERV/HRV ventilation, dehumidifiers, and air purifiers. Lennox Premier Dealer status is listed on their website. Free estimates and financing are advertised, per their site. Emergency service is advertised 24/7 and same-day service is stated.
Score breakdown
Above the Louisville, KY Indoor Air Quality average of 76/100. Ranks #1 of 7 listed Indoor Air Quality providers in Louisville, KY.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
vs. Louisville average
| Signal | A+ Derr Heating & Cooling | Louisville avg | Delta |
|---|---|---|---|
| Vouched Score | 83/100 | 76/100 | +7 vs avg |
| Google rating | 4.8★ | 4.9★ | -0.1 vs avg |
| Review volume | 2,340+ | 400+ | +1940 vs avg |
Pros
- High Google rating (4.8★ across 2,340+ 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 (4.8★, 2,340+ reviews)
- You want a BBB-rated firm specifically
Service area
Published pricing
Maintenance plans
-
Maintenance Plan
As published: Maintenance Plan"…ut Reviews Financing Residential New Construction Maintenance Plan Deals & Promotions Resources Community Involvemen…"
Financing
-
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
-
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 Louisville, KY 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) |
83/100 | 4.8★ (2,340+) | — |
| 80/100 | 4.8★ (780+) | 79+ | |
| 70/100 | 4.9★ (165+) | 20+ | |
| 68/100 | 4.8★ (50+) | 65+ |
Listed in
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Profile last updated July 21, 2026.