HVAC & Plumbing Services in San Marcos

You depend on your HVAC system to maintain a comfortable, consistent balance through the sweltering Texas summers and chilly winter nights. So, when your air conditioner breaks down, or your heater struggles to keep you warm, you’ll want prompt, expert service from a reputable HVAC company.

For superior home comfort, count on Comfort-Air Engineering and Primo Plumbing, Inc. for reliable HVAC and plumbing services. Our certified and highly skilled contractors have the latest tools and training to keep your home comfortable year-round.

Contact us online or call (210) 494-1691 today for San Marcos HVAC services.

Heating Services in San Marcos

If your heat pump or furnace has problems, we can help. Our heating experts offer a complete list of heating services in San Marcos, including:

Need to schedule heating services or a heating installation in the San Marcos area?

Call Comfort-Air Engineering at (210) 494-1691 or contact us online.

Air Conditioning Services in San Marcos

Technician servicing outdoor AC unit.

When the temperatures climb, you want the convenience of unmatched, 24-hour service. Count on our trustworthy San Marcos air conditioning services for your home or office. Our technicians provide: 

Ready to schedule an appointment? Contact us today to speak with a Comfort-Air Engineering representative.

Engineering Your Comfort for Life

Speak with one of our experts today

Indoor Air Quality Services in San Marcos

Without preventative measures, dust mites, dander, pollen, bacteria, mold, and other pollutants will accumulate in your ductwork, negatively impacting your health. Comfort-Air Engineering offers indoor air quality solutions, including:

Contact us online or call (210) 494-1691 to learn more about our indoor air quality solutions.

Plumbing Services in San Marcos

If you have plumbing problems, you can depend on our San Marcos plumbers. Primo Plumbing, Inc. offers comprehensive plumbing services, including:

Schedule an appointment with our San Marcos plumbers by calling (210) 494-1691 or requesting service online.

Schedule HVAC Services With Comfort-Air Engineering

When you choose Comfort-Air Engineering & Primo Plumbing, Inc., you can expect award-winning services from experienced, courteous technicians and plumbers. We’re a family-owned and -operated business with over 50 years of experience, so we take pride in offering big-business solutions with the personal touch of a small business.

Your satisfaction and comfort are our top priorities, which is why we offer a 100% satisfaction guarantee, upfront pricing, and 24-hour emergency services.

Ready to schedule plumbing, cooling, or heating services in San Marcos? Call (210) 494-1691 or contact us online today.

financing available

  • Buy Now – Pay Over Time
  • convenient monthly payments
  • Quick Credit Decisions


  • Bi-annual/planned maintenance
  • Priority Service Call and Scheduling
  • Discounts on Parts & Labor

Why Choose Us

Engineering your comfort for life
No Mess Left Behind Energy Savings Upfront Pricing 100% Satisfaction Guaranteed Guaranteed 50+ years in business Family owned & operated Free estimates available