Althoff Industries, Inc.
Crystal Lake, Illinois · Other / Unclassified Contact only 60+ years
Est. 1961 · ✓ verified live · Aug 2026
We proudly offer residential and commercial HVAC services in the greater Crystal Lake and Chicagoland area. Licensed and Insured. Contact us today!
Address
4152 May St, Crystal Lake, IL 60014
Phone
Website
Founded
1961
Site verified live
Yes
Secure (HTTPS)
Yes
Mobile-friendly
Yes
Site copyright year
2021
Company type
Inc.
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Compiled from althoffind.com and public sources — a free listing, never paid placement.