Our Core Services Delivered with Care
For 80+ years, we’ve been serving Macomb and nearby towns s with reliable, expert work you can count on.
Why Businesses & Homeowners Choose Hollister
✔ Over 80 Years of Trusted Service
✔ Locally Owned & Operated
✔ 100% Satisfaction Guarantee
✔ ⭐⭐⭐⭐⭐(4.9) Google Rating
✔ 24/7 Emergency Service Available

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Proudly Serving Western Illinois & Southeast Iowa
Reliable. Local. Just Down the Road!
From Macomb to Keokuk, we bring dependable HVAC, electrical, plumbing and septic service to homes and businesses across the region.