Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric

$5.0M revenue • 25 employees • 9507 Milan Rd, Milan, OH, 44846, United States

Last Updated Apr 2, 2026

Company Overview

Company Name

Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric

Address

9507 Milan Rd, Milan, OH, 44846, United States

Approx. Annual Revenue

$5.0M

Employees

25

Established

2008

Google Reviews

4.6 (166 reviews)

Google Business Category

HVAC contractor

Locations

2

About Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric

Hartland Mechanical Custom Heating & Cooling is a HVAC company located in Milan, Ohio. They offer a wide range of services, including furnace installation and repair, air conditioning repair and installation, refrigeration, and plumbing services. The company serves the surrounding areas, including Lakeside, Port Clinton, and Sandusky.

Business Profile

Read from the Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric website on Oct 28, 2026. Hover an item to see the exact wording it came from.

How Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric works

Ownership (as declared by the business)

About the website

Website quality (AI-assessed)
8/10 · Current and complete with service pages; Includes financing and contact info

Recent changes

What changed on the Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric website and Google listing, as detected by Coldlytics on each visit.

  1. Google Business category is now HVAC contractor

  2. Google Business category is now Plumber

  3. Google Business category is now Plumber

  4. Google reviews went from 160 to 166

  5. Estimated revenue band moved from $1M-2.5M to $2.5M-5M

  6. Estimated headcount moved from 11-20 to 21-50 employees

  7. Meta (Facebook) ad pixel removed

  8. Google Business category is now HVAC contractor

Coldlytics tracks changes like these across millions of businesses, so you can reach companies the moment they add a pixel, start hiring, or switch software.

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Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric locations

2 Google Business Profile listings.

LocationGoogle categoryReviewsStatus
9507 Milan Rd, Milan, OHprimaryHVAC contractor 4.6 (166)Claimed
108 E Main St, Norwalk, OHElectrician 4.7 (16)Claimed

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Frequently Asked Questions about Hartland & Wilken Custom Heating, Cooling, Plumbing, Electric

Categories

Technologies Used

Social Profiles

Key Decision Makers

Theresa Gibson Owner
Jake Wilken President/Owner
Brad Brown Owner
Stephen Lane Owner
LinkedIn