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Crystal Lake, IL

Official Heating & Coolin

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Best HVAC/Mechanical Contractors in Crystal Lake

Updated: May 11, 2026

Building Permits by Official Heating & Coolin

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Sf addition - out

1215 Cleveland St, Wilmette, IL, 60091

2014-04-18

2 story addition with basement and interior remodel

Valuation:

$285,000

Permit #:

77439

Status:

issued

Fee:

$500

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

1215 Cleveland St, Wilmette, IL, 60091

2014-04-18

2 story addition with basement and interior remodel

Valuation:

$285,000

Permit #:

77438

Status:

issued

Fee:

$213

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

1215 Cleveland St, Wilmette, IL, 60091

2014-04-18

2 story addition with basement and interior remodel

Valuation:

$285,000

Permit #:

77437

Status:

issued

Fee:

$90

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

1215 Cleveland St, Wilmette, IL, 60091

2014-04-18

2 story addition with basement and interior remodel

Valuation:

$285,000

Permit #:

77436

Status:

issued

Fee:

$45

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

1215 Cleveland St, Wilmette, IL, 60091

2014-04-18

2 story addition with basement and interior remodel

Valuation:

$285,000

Permit #:

77435

Status:

issued

Fee:

$396

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

1215 Cleveland St, Wilmette, IL, 60091

2014-04-18

2 story addition with basement and interior remodel

Valuation:

$285,000

Permit #:

77434

Status:

issued

Fee:

$78

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

1215 Cleveland St, Wilmette, IL, 60091

2014-04-18

2 story addition with basement and interior remodel

Valuation:

$285,000

Permit #:

77433

Status:

issued

Fee:

$120

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

1215 Cleveland St, Wilmette, IL, 60091

2014-04-18

2 story addition with basement and interior remodel

Valuation:

$285,000

Permit #:

77432

Status:

issued

Fee:

$5,746

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

1215 Cleveland St, Wilmette, IL, 60091

2014-04-18

2 story addition with basement and interior remodel

Valuation:

$285,000

Permit #:

77431

Status:

issued

Fee:

$45

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

607 Washington Ave, Wilmette, IL, 60091

2015-07-02

Addition up and out

Valuation:

$215,000

Permit #:

84439

Status:

issued

Fee:

$350

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

607 Washington Ave, Wilmette, IL, 60091

2015-07-02

Addition up and out

Valuation:

$215,000

Permit #:

84438

Status:

issued

Fee:

$173

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

607 Washington Ave, Wilmette, IL, 60091

2015-07-02

Addition up and out

Valuation:

$215,000

Permit #:

84437

Status:

issued

Fee:

$45

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

607 Washington Ave, Wilmette, IL, 60091

2015-07-02

Addition up and out

Valuation:

$215,000

Permit #:

84436

Status:

issued

Fee:

$246

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

607 Washington Ave, Wilmette, IL, 60091

2015-07-02

Addition up and out

Valuation:

$215,000

Permit #:

84435

Status:

issued

Fee:

$78

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

607 Washington Ave, Wilmette, IL, 60091

2015-07-02

Addition up and out

Valuation:

$215,000

Permit #:

84434

Status:

issued

Fee:

$120

Permit Type:

N/A

Building Type:

N/A

Sf addition - out

607 Washington Ave, Wilmette, IL, 60091

2015-07-02

Addition up and out

Valuation:

$215,000

Permit #:

84433

Status:

issued

Fee:

$4,334

Permit Type:

N/A

Building Type:

N/A

Single family remodel

2609 Iroquois Rd, Wilmette, IL, 60091

2015-11-05

Rework exist bedrooms and bathroom into 1 master bedroom and bathroom

Valuation:

$45,000

Permit #:

86484

Status:

issued

Fee:

$45

Permit Type:

N/A

Building Type:

N/A

Single family remodel

2609 Iroquois Rd, Wilmette, IL, 60091

2015-11-05

Rework exist bedrooms and bathroom into 1 master bedroom and bathroom

Valuation:

$45,000

Permit #:

86483

Status:

issued

Fee:

$45

Permit Type:

N/A

Building Type:

N/A

Single family remodel

2609 Iroquois Rd, Wilmette, IL, 60091

2015-11-05

Rework exist bedrooms and bathroom into 1 master bedroom and bathroom

Valuation:

$45,000

Permit #:

86482

Status:

issued

Fee:

$120

Permit Type:

N/A

Building Type:

N/A

Single family remodel

2609 Iroquois Rd, Wilmette, IL, 60091

2015-11-05

Rework exist bedrooms and bathroom into 1 master bedroom and bathroom

Valuation:

$45,000

Permit #:

86481

Status:

issued

Fee:

$907

Permit Type:

N/A

Building Type:

N/A

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Recent Buildzoom Projects

License Not Verified

Status	Active
Town	Palatine
Type	Hvac

When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Official Heating & Coolin with the Village of Palatine Registered Contractors

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	09-00003712
Status	Active
City	Aurora
Type	Heating Contractor

When BuildZoom last verified this license, it had an expiration date of December, 2011. Check the current license status of Official Heating & Coolin with the The City of Aurora, IL

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	CR3348
Status	Active
County	Dupage County
Type	Sub Contractor (Per Trade)

When BuildZoom last verified this license, it had an expiration date of December, 2011. Check the current license status of Official Heating & Coolin with the County of DuPage

This is a sample of licensing data; click here to access a complete history.

License Not Verified

License #	2011-CR3348
Status	Active
County	Dupage County
Type	Sub Contractor (Per Trade)

When BuildZoom last verified this license, it had an expiration date of December, 2011. Check the current license status of Official Heating & Coolin with the County of DuPage

This is a sample of licensing data; click here to access a complete history.

Inactive License

License #	CR8493
Status	Inactive
County	Dupage County
Type	Sub Contractor, Hvac

According to the County of Dupage Contractor Registration Information, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.

Check this license's status for Official Heating & Coolin at the County of Dupage Contractor Registration Information.

This is a sample of licensing data; click here to access a complete history.

Inactive License

License #	CR3348
Status	Inactive
County	Dupage County
Type	Sub Contractor, Hvac

According to the County of Dupage Contractor Registration Information, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.

Check this license's status for Official Heating & Coolin at the County of Dupage Contractor Registration Information.

This is a sample of licensing data; click here to access a complete history.

Inactive License

License #	CR8493
Status	Inactive
County	Dupage County
Type	Hvac

According to the County of Dupage Contractor Registration Information, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.

Check this license's status for Official Heating & Coolin at the County of Dupage Contractor Registration Information.

This is a sample of licensing data; click here to access a complete history.

Inactive License

License #	CR3348
Status	Inactive
County	Dupage County
Type	Hvac

According to the County of Dupage Contractor Registration Information, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.

Check this license's status for Official Heating & Coolin at the County of Dupage Contractor Registration Information.

This is a sample of licensing data; click here to access a complete history.

ALERT*

BuildZoom Score

How the BuildZoom Score works
*No active license on file. If you are Official Heating & Coolin, click “This is My Business” to update your information.

490

Permits

Building permit records show that Official Heating & Coolin has worked on 490 permitted projects.

Follow this contractor

Before you Hire

Here are some rules, regulations, and laws governing general contractors in Palatine:

Does Official Heating & Coolin carry a valid contracting license?

The State of Illinois does not require a Home Improvement Contractor License at the state level. However, if your business is providing home improvement services in IL, you may be required to obtain a Home Improvement Contractor License at the local level or comply with other licensing laws at the state or local level.

Official Heating & Coolin currently holds license 09-00003712, CR3348, 2011-CR3348, CR8493 (Hvac, Heating Contractor, Sub Contractor (Per Trade), Sub Contractor), which was Inactive when we last checked.

How important is contractor licensing in Palatine?

Although Illinois does not require contractors to be licensed, check local regulations as certain jurisdictions may require licensing on a local level.

Your liability risk when hiring Official Heating & Coolin

General Contractors in Illinois are not required to carry general liability insurance. It is always a good practice to only hire contractors with active liability and workers' compensation insurance policies. Request a copy of each certificate for your records before the project starts.

Financial recourse when hiring Official Heating & Coolin

Illinois requires roofing contractors to obtain a surety bond. Home owners may file a claim to recoup money in the event of faulty work, or damages to their property incurred during a roof project.

What else should I know before hiring Official Heating & Coolin

Illinois on the state level, has minimal regulations governing contractor licensing, in turn, consumers should be vigilant when hiring contractors, check on BuildZoom for customer reviews, and permit history as indicators of quality businesses. Check with local licensing authorities as some jurisdictions will require contractors to be licensed.

How is the BuildZoom score calculated?

The BuildZoom score is based on a number of factors including the contractor's license status, insurance status, verified work history, standing with local consumer interest groups, verified reviews from other BuildZoom users and self-reported feedback from the contractor.

Why you should hire through BuildZoom

When it comes to major construction work or even minor alterations to your home, hiring the wrong contractor could result in incomplete or defective work. You may even find yourself dealing with huge liability claims. BuildZoom does the homework for you and helps you hire the right contractor.

You should get several bids before hiring a contractor

Before hiring a contractor in Illinois, be sure to get at least 3 detailed bids. Quality contractors will take the time to explain their budget proposal, and help guide you through the estimate process. Be wary of an abnormally low bid, they are not worth the risk. These underpriced projects often do not end well for the homeowner, choose a contractor you trust and can clearly communicate with. BuildZoom has made the bid collection process extremely simple (and free). Just click here to get started.

The best way to use BuildZoom is to let us recommend contractors for your remodeling projects.

Homeowners who hire through BuildZoom's free bidding system report high rates of satisfaction, and homeowners who research contractors online are twice as likely to be happy at the end of their project.

If you hire a contractor through BuildZoom, that contractor is accountable to us. We can enforce standards of behavior, mediate disputes, and guarantee satisfaction.

Read more about why hiring through BuildZoom is so effective.

BuildZoom’s database now contains every licensed contractor across the U.S. - over 2.5 million of them... Categorized contractor profiles are enriched using government data from state licensing boards, Better Business Bureau ratings, and more… BuildZoom jumped into the fray by announcing that it raised $10.6 million in a round led by Formation 8. ...the Y combinator-backed startup said it will be focused on remodeling projects, where the median budget is around $19,000… A new index compiled by BuildZoom — which identifies contractors for projects — found that renovations are running 2.8 percent above their 2005 level…

Browse remodeling photos

If you are looking for remodeling ideas, you can browse hundreds of beautiful photos of work performed by our general contractors.

Browse building permits

You can use our building permit search to see the contractors who are active in your neighborhood and the projects currently taking place.

Get a cost estimate

Use our remodeling calculator to get a ballpark estimate for your project. If you're ready to hire, use our bidding system to get actual quotes from local contractors.