Commercial HVAC & Plumbing Services in Castroville

Owners and managers of commercial properties in Castroville know how challenging it can be to find an HVAC and plumbing company that demonstrates consistency, quality, and attention to detail on every job.

Comfort-Air Engineering and Primo Plumbing, Inc. work in tandem to provide the services you need to keep commercial climate control and plumbing systems running reliably.

Call (210) 494-1692 to request an appointment for heating, cooling, and plumbing services that go above and beyond.

Heating Services

Heating a commercial building is a significant operational cost in Castroville. Comfort-Air Engineering provides quality heating services to meet your comfort and budget needs, including:

  • Heating repairHas your HVAC system lost heating capability or stopped working altogether? Call us to diagnose the problem and provide repairs that keep your building comfortable in the winter.
  • Heating maintenanceDon’t risk avoidable heating breakdowns — call our team for regular maintenance and tune-ups to keep your system in prime condition. We also offer protection plans that take the hassle out of scheduling maintenance.
  • Heating installation: If you’re ready to add a heating system to a new or existing commercial building, Comfort-Air Engineering can install it with expert precision.
  • Heating replacementReplacing an old heating system can be complicated, but you can trust Comfort-Air Engineering to remove it and install a new, energy-efficient model.

Air Conditioning Services

You don’t want your customers and employees to suffer through Castroville’s summer heat. If your AC system isn’t working correctly, turn to us for these services:

  • Air conditioning repairAC issues can range from simple fixes to complex projects. No matter the problem, Comfort-Air Engineering can identify the cause and resolve it swiftly.
  • Air conditioning maintenanceOur maintenance and tune-ups can spot problems before they become costly and keep your AC running optimally throughout the year. Sign up for a protection plan to unlock exclusive savings, service offerings, and more.
  • Air conditioning installation: If you need a new AC system, we can help select the right one for your property and budget and perform the installation to manufacturer specifications.
  • Air conditioning replacementWe can upgrade your AC equipment to a new model quickly and effectively without sacrificing safety or quality.

Engineering Your Comfort for Life

Speak with one of our experts today

Indoor Air Quality

Clean, healthy air is a must for Castroville commercial buildings where customers and employees spend any amount of time. Comfort-Air Engineering can assess your ductwork to determine whether filters or other measures can improve your building’s indoor air quality.

We also offer innovative HVAC scenting options to revitalize the aroma in your facility.

Ready to boost your comfort? Call (210) 494-1692 to learn which air quality solution is right for your business.

Plumbing Services

The most common commercial plumbing issue Castroville buildings encounter is slow or clogged drains. While drainage issues often appear to be a minor inconvenience, keeping drains clear is essential.

Primo Plumbing, Inc. offers efficient and effective commercial drain cleaning services in Castroville to ensure your plumbing system flows smoothly. We also offer a wide range of plumbing solutions, including sewer line services, repiping, and more

Why Choose Us?

Comfort-Air Engineering and Primo Plumbing, Inc. has over 50 years of experience servicing large-scale commercial systems. We’re known for our upfront pricing and dedication to leaving zero mess behind — so you can return to business as usual knowing your HVAC and plumbing systems are in top shape every time.

With free estimates available and a 100% satisfaction guarantee, we invite you to find out why we’re Castroville’s five-star service provider. 

Call (210) 494-1692 to schedule world-class commercial HVAC or plumbing services in Castroville.  

protection plans

  • planned maintenance
  • bi-annual or quarterly inspections
  • 10% discount on repairs


office/retail space

Meet The Team

Our team of experts dedicated to delivering amazing service.
employee Matthew Freund smiling at the camera
employee Patrick Freund smiling at camera
employee tom freund smiling for the camera
Employee Clint Wurzbach smiling at the camera
employee Mike Stahl smiling at the camera
employee Matthew Freund smiling at the camera
employee Patrick Freund smiling at camera
employee tom freund smiling for the camera
Employee Clint Wurzbach smiling at the camera
employee Mike Stahl smiling at the camera

Over 50 Years Of Five Star Service

Excellent customer service!

I was so pleased with the excellent customer service provided by Luis, Eric, Camillo and Mark. Also, your Customer Service Accounts Payable was so sincere and efficient. I would and will always recommend Comfort Air to anyone.

Suzy H.

Very dependable!

I've been a customer of Comfort-Air Engineering Inc for about ten years. I like them because they are very dependable. When I call them, they come out. A few years ago, they installed a new heating and air conditioning system for…

Robert H.

Real professional job!

Replacing faucets throughout house was no problem for these pros, even though there were a variety of fittings they had to deal with. Showed up on time and worked efficiently. Real professional job at a reasonable price.

Bob K.

We wouldn't trust any other!

We have always appreciated your family owned and operated business. We have been with your company for approximately 20 years and wouldn’t trust any other.

Gwen R.

On time, professional and courteous!

Comfort-Air Engineering Inc. recently installed a generator for us and they also did some plumbing work. This was our first experience with the company. They were on time, professional and courteous. Moreover, they did exactly what we asked them to do…

David A.