Black Diamond
1400 Miller Pkwy
McHenry, IL 60050 815-444-0979
McHenry, IL 60050 815-444-0979
Checkbook's Top Rating | |
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Quality | NO |
Price | NO |
- 40 ratings
- 83% gave a "superior" overall rating
- - Prices 15% higher than average
- Compare 171 nearby air-conditioning & heating contractors
- "I have been a black diamond club member for years now and would recommend them to everyone. They are..."
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Prices for Black Diamond
Checkbook's price comparison score

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Minimum charge for a service call
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What the minimum charge includes
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Consumer Ratings for Black Diamond — 40 Ratings
Percent of customers who rated service "superior" for:
= average for all air-conditioning & heating contractors
Doing work properly

Starting and completing work promptly

Letting you know cost early

Advice on service options and costs

Overall quality

Overall quality: percent who rated company "adequate" or "superior"

Complaints for Black Diamond
Number of complaints with Attorney General's office and (complaint rate)

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Number of complaints with BBB and (complaint rate)

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Equipment company services/installs:
- Air duct cleaning
- Humidifiers
- Air ducts (sheet metal work)
- Central air conditioners
- Electric furnaces
- Gas furnaces
- Hot water heating systems
- Hot water systems pipes & radiators
- Electronic air cleaners
- Heat pumps
Consumer Comments for Black Diamond
Jun 23, 2025
Jun 11, 2025
Apr 13, 2025
...and 9 more consumer comments for Black Diamond