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North TX 972-380-0880
South TX 512-339-3090






Receive a 10% discount

Receive a 10% discount on your first service or repair of your heating and air conditioning equipment or plumbing when you open a New Customer Account at Blackall Mechanical, Inc. See application form below. (does not apply to equipment replacement)





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Ever wonder what is on your roof?

Ever wonder what condition your heating and air conditioning equipment is in? Call now for you FREE heating and air conditioning equipment survey.




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Five Year Component Repair Guarantee

Our goal is to provide you with peace of mind on service repairs we provide. For equipment that operates during standard office hours (55 hours/week), we will cover, for five years, the parts (and labor associated with those parts) we replace during the course of our repairs on units we install and for which we provide regular maintenance. For equipment that operates 24/7 our Materials Guarantee will be for two (2) years.



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Commercial Air Conditioning & Heating

Service and Repair




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Commercial HVAC

Geothermal heating and cooling systems




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Commercial HVAC

Preventative Maintenance Plan



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HVAC Replacement



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Commercial Plumbing

Service & Repair | Replacement | Preventative Maintenance Plans | Hydro Jetting | Line Cameras




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NEED SERVICE? Call North TX 972‑380‑0880 | South TX 512‑339‑3090

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Welcome to Blackall Mechanical

Blackall Mechanical is a full service HVAC and plumbing contractor and a leader in the industry. Blackall Mechanical can handle all of your HVAC and plumbing needs from the smallest service and repair job to the largest commercial construction project, retrofit or equipment upgrades. Blackall Mechanical is composed of industry professionals with over 135 years combined experience in all areas of mechanical and plumbing from service and retrofit to the most complex new construction systems installation.


Career Opportunities


Patricia Martin

“Thank you for the gift from your company – we consider you a part our MBA family.” – Patricia Martin, Director of Development

Director of Development

Pete Blozis

“I wanted to let you know that I am extremely happy with the service I receive from Blackall Mechanical. I highly recommend them.”

Regional Vice President at La Quinta Inn &; Suites

Bedalina Rosario

They do an excellent job, are always punctual and offer the most competitive rates in town.

Our Clients

Commercial HVAC Financing