Brand Certified
Hartwig Mechanical
3.5(44 reviews)
Certified by Hartwig Mechanical • Oct 04, 2026
Business Details
20800 East Brink Street, Harvard, IL
60033, United States
Certified by Hartwig Mechanical • Oct 04, 2026
(815) 943-4430
Certified by Hartwig Mechanical • Oct 04, 2026
https://hartwigmechanical.com/
Certified by Hartwig Mechanical • Oct 04, 2026
About
Certified by Hartwig Mechanical • Oct 04, 2026
Construction CompanyPlumberHVAC ContractorBackflow PreventionEmergency PlumbersHeating ContractorCommercial Building ContractorAir Conditioning ContractorConstruction Estimates
Hartwig Mechanical, Inc. is consistently recognized as one of the top commercial plumbing, engineering, mechanical, facility maintenance, and HVAC contractors in Illinois and Wisconsin
Location
Certified by Hartwig Mechanical • Oct 04, 2026
Hours
Certified by Hartwig Mechanical • Oct 04, 2026
Monday7:00 AM - 4:00 PM
Tuesday7:00 AM - 4:00 PM
Wednesday7:00 AM - 4:00 PM
Thursday7:00 AM - 4:00 PM
Friday7:00 AM - 2:30 PM
SaturdayClosed
SundayClosed
Products & Services
1 list · 3 items
Explore offerings from Hartwig Mechanical on 20800 East Brink Street in Harvard, with popular services available at this location.
Reviews
3.5
44 reviews
5 stars
24
4 stars
4
3 stars
1
2 stars
1
1 star
14
- JNJim NicholsonJul 17, 20261.0A minor repair turned into an invoice costing thousands. Stay away!
- TSThor SchillerMay 4, 20265.0The team at Hartwig has consistently been one of the strongest subcontractors we have had the pleasure of working with year after year. Their team’s attention to detail and ability to deliver on their commitments is outstanding.
- BBbobFLIPPMay 1, 20265.0Just had Hartwig come out and repair our furnace. Needed a board and it was too late to get one yesterday. Both techs, Cesar and Pat were very knowledgeable. We’ve used Hartwig’s services for years. This is a good HVAC company to do business with.
- MMMarilyn MccormickNov 12, 20215.0Friendly and courteous mechanics, prompt service.
- DGDennis GardeJul 26, 20145.0Excellent service and technically up to any job. This is a professional group capable of very large projects with attention to the small details as well. Working in both the public and private sector, Hartwig P&H is competitive with pricing and able to coordinate difficult construction schedules. Give them an opportunity ..... you won't be disappointed.
Frequently Asked Questions About Hartwig Mechanical
Does Hartwig Mechanical provide emergency 24/7 service?
Hartwig Mechanical always has a plumber and HVAC technician available 24/7 for emergency service needs. Call us at 815-943-4430.
Does Hartwig Mechanical offer emergency services?
Yes, Hartwig Mechanical provides 24/7 emergency plumbing and HVAC services. You can reach them at 815-943-4430 for emergencies.
What are the regular business hours for Hartwig Mechanical?
Hartwig Mechanical is open Monday through Thursday from 7:00 AM to 4:00 PM and on Friday from 7:00 AM to 2:30 PM. The business is closed on Saturday and Sunday.
Where is Hartwig Mechanical located?
Hartwig Mechanical is located at 20800 East Brink Street, Harvard, Illinois, 60033, USA.
In which counties does Hartwig Mechanical provide services?
Hartwig Mechanical serves multiple counties including McHenry, Lake, Boone, Winnebago, Stephenson, Carroll, Ogle, DeKalb, Kane, Cook, DuPage, Will, Kendall, LaSalle, Bureau, Lee, Whiteside, Walworth, Racine, and Kenosha Counties.
What types of services does Hartwig Mechanical specialize in?
Hartwig Mechanical specializes in commercial plumbing, engineering, mechanical, facility maintenance, HVAC contracting, backflow prevention, heating and air conditioning contracting, and construction estimates.
How can I contact Hartwig Mechanical?
You can contact Hartwig Mechanical by phone at +1 815-943-4430 or +1 855-427-8944, or by email at greg.harle@hartwigmechanical.com. Their website contact page is https://hartwigmechanical.com/contact-us/.
Is Hartwig Mechanical active on social media?
Yes, Hartwig Mechanical is active on LinkedIn, Facebook at https://www.facebook.com/166285393397873, and Instagram under the handle hartwigmechanical.
What automotive services are available near Hartwig Mechanical?
Nearby automotive service providers include Harvard Automotive, Carl's Windshield Replacement, Gator Auto Parts LLC, Advance Auto Parts, and Checkmate MX for motorcycle repair. Customers near Hartwig Mechanical can easily access these services for their vehicle needs.
Are there dining options close to Hartwig Mechanical?
Yes, nearby dining options include Burger King, Little Caesars, Delicias Tapatias, and Harvard Donut, which customers can visit before or after appointments with Hartwig Mechanical.
What self-storage facilities are near Hartwig Mechanical?
Close to Hartwig Mechanical, customers can find self-storage options at Lock N Roll Storage Solutions and Maya Storage Units LLC, useful for those needing storage solutions while visiting the area.
Brand Certified Facts from Hartwig Mechanical
This information is certified by Hartwig Mechanical and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified October 04, 2026Yext Knowledge Graph
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