Commercial Refrigeration repair and maintenance - Walk-in freezer
Commercial HVAC repair and maintenance
About Us

We Respond To Your Call Quickly

You can trust the quality and professionalism of our work. Our technician will arrive at your home driving a vehicle stocked with all the necessary equipment and tools to tackle your HVAC or commercial refrigeration challenges.

Our Services

What Can We Help You With ?

Air Conditioning Repair

The unexpected happens, especially in Texas summers. Our team will get your AC back up and running quickly.

Commercial Refrigeration

Running a business is a lot of work. Let 42 Mechanical handle your commercial refrigeration needs so you don't have to worry about it.

HVAC Installation

Clear, guided installation experience for residential and commercial HVAC systems

HVAC Preventative Maintenance

Avoid emergencies and keep your HVAC system running smoothly all year.

Indoor Air Quality / Sanitation

Breath easier when your HVAC system is clean and efficient.

Our Work

Great service
great value

We can fix your problem and get your system back up and running in no time.

HVAC repair and maintenance - make informed decisions
Make Informed Decisions
HVAC repair and maintenance - get back to what's important
Get Back to What's Important
HVAC repair and maintenance - maintenance over repair
Maintenance Over Repair
HVAC repair and maintenance - developing people
Developing People
Our Team

HVAC and Commercial Refrigeration Professionals

Bob Dellinger


Bob - 42 Mechanical HVAC and Commercial Refrigeration

Saulo Cooper

Business Development

Saulo - 42 Mechanical HVAC and Commercial Refrigeration

Bryant Mitchell


Bryant - 42 Mechanical HVAC and Commercial Refrigeration
Matthew Van Shellenbeck

"Showed up on time and fixed my AC issues. Friendly. Reasonable. Thorough"

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Lou Alexander

"Exceptional people to work with. Very professional, knowledgeable, and easy to work with; from the receptionist to the owner, everyone was exceptional."

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Walt Settlemeyer

"Bob was a great technician! On time, actually he was a little early! Great work and very reasonable pricing! I would absolutely recommend him!"

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Nick Smart

"Bryant was top tier and quick. Great service"

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Bev Bellile

"We’ve had issues with our AC for 3 years, and have had at least 9 companies come through and NOT fix the issue. Bob and his team showed up, ID’d the problem, and repaired it."

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Ross McDonald

“Highly recommend using them for HVAC repairs. They’re very knowledgeable, honest and provide great service."

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Be in the Know when it comes to understanding your HVAC

How to Prevent Your AC from Freezing – Even When it’s So Hot Outside

Running your AC for long hours each day is tempting but isn’t always the best solution. 

How to Diagnose AC Problems

If it seems like your AC isn’t keeping up this summer, there are some issues that you may be able to diagnose on your own.

3 Common Reach-in Cooler Problems and How to Fix Them: A Guide for Restaurant Owners

Troubleshoot 3 common reach-in cooler problems to keep your reach-in cooler running smoothly and prevent food spoilage.

How Regular HVAC Maintenance Can Help You Avoid Costly Repairs

Regular preventative maintenance on your unit can keep you up and running through summer and save you money down the road. Maintenance today reduces repairs and often eliminates complete system replacements in the future.

More Resources