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Hartwig MechanicalHVAC contractor in Harvard, IL

Hartwig Mechanical is an HVAC contractor at 20800 E Brink St, Harvard, IL 60033, rated 3.5 from 39 Google reviews. Open Monday to Friday.

Harvard, IL0 paid placements in any rankingHow we rank

Call (815) 943-4430Website ↗

Key facts

Key facts about Hartwig Mechanical
Address20800 E Brink St, Harvard, IL 60033Get directions
Phone(815) 943-4430
Websitehartwigmechanical.com
HoursMonday to Thursday: 7 AM – 4 PM; Friday: 7 AM – 2:30 PM
Google rating3.5 from 39 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category
  • Plumbingadditional Google category

Service area

Serves Harvard and 11 towns within 25 miles: Woodstock, Marengo, Poplar Grove, Belvidere, McHenry, Johnsburg, Spring Grove, Crystal Lake, Huntley, Roscoe and Lake in the Hills.

Based in Harvard, ILView on map

Opening hours

Opening hours for Hartwig Mechanical
DayHours
Monday7 AM – 4 PM
Tuesday7 AM – 4 PM
Wednesday7 AM – 4 PM
Thursday7 AM – 4 PM
Friday7 AM – 2:30 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

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Google

3.5from 39 Google reviews

Hired Hartwig Mechanical? Write a review

Questions about Hartwig Mechanical

What are Hartwig Mechanical’s hours?

Hartwig Mechanical is open Monday to Friday. Its listed hours are Monday to Thursday, 7 AM – 4 PM; Friday, 7 AM – 2:30 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Hartwig Mechanical serve?

Serves Harvard and 11 towns within 25 miles: Woodstock, Marengo, Poplar Grove, Belvidere, McHenry, Johnsburg, Spring Grove, Crystal Lake, Huntley, Roscoe and Lake in the Hills. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Hartwig Mechanical?

Hartwig Mechanical has a rating of 3.5 from 39 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Hartwig Mechanical?

Call Hartwig Mechanical on (815) 943-4430. The business is at 20800 E Brink St, Harvard, IL 60033. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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