3548 35th Street
Rockford, IL 61109
815-873-6022

Local Reviews

Rated 4.9 out of 5 stars based on 2403 customer reviews

helpfull

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Fast, friendly and great service

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Best Service, Best Products, Best Prices

Rosario Tripoli has helped us with a number of Black Diamond projects. He is very polite and knowledgeable. We trust what he recommends. We have recommended the company to friends and they were pleased with the service, products and prices.

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Excellent quality of work and very professional.

Excellent service. Came right out when furnace went down , diagnosis the problem left space heaters to keep ho.e warm while they had parts orderd. Very freindly and profesional. Excellent service .

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Excellent

Arrived on time, did work and cleaned up!

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Fantastic service, and great price

Very professional and efficient service.

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Very good service

I have had Rosario help me through the entire experience of selecting, installation and maintenance of my furnace/ac unit. I trust his opinions and suggestions. I rest easier knowing he's my go to guy. Thanks so much!

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great service

ross is very good in his job

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Great service

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Job Locations

Rosario t.

Rosario t. Job Checkin

New furnace


Tom T.

Tom T. Job Checkin

Installing an Amana furnace and AC


Rosario t.

Rosario t. Job Checkin

Furnace tune up x2


Tom T.

Tom T. Job Checkin

Installing new Amana furnace and AC


Rosario t.

Rosario t. Job Checkin

Furnace tune up and water heater flush


Tom T.

Tom T. Job Checkin

Installing new Amana furnace


Rosario t.

Rosario t. Job Checkin

No heat


Rosario t.

Rosario t. Job Checkin

Thermostat rewire


Rosario t.

Rosario t. Job Checkin

New hvac system


Rosario t.

Rosario t. Job Checkin

Triple furnace tune up


Tom T.

Tom T. Job Checkin

Installing new Amana furnace and AC


Jason S.

Jason S. Job Checkin

Installing water heater


Tom T.

Tom T. Job Checkin

Installing new Amana furnace and AC


Rosario t.

Rosario t. Job Checkin

No heat


Jason S.

Jason S. Job Checkin

Plumbing repairs