Business Details
50+ Years
experience
Emergency
services
Expert HVAC & Plumbing Services in San Antonio
Founded in 1964 by John and Robert Freund, our company has built a legacy of integrity, value, and customer-first service. Now led by the second and third generations of the Freund family, we specialize in residential and commercial HVAC and plumbing solutions tailored to meet diverse client needs. With over six decades of combined experience, our team of certified professionals delivers reliable, high-quality services, including emergency support, system installations, and preventive maintenance.We prioritize transparency, offering upfront pricing and a 100% satisfaction guarantee, ensuring every client receives exceptional service. Our commitment to excellence is reflected in our 5-star reputation, advanced technical expertise, and a focus on fostering long-term relationships through trust and accountability. As a family-owned business, we remain dedicated to innovation, safety, and community, ensuring every project aligns with our core principles of excellence and client-centric service.
Services
HVAC Installation
Plumbing Repairs
Water Heater Services
Emergency Services
Drain Cleaning
Leak Detection
Pipe Replacement
Commercial HVAC
Backflow Prevention
Preventive Maintenance
Details
- Year established: 1964
Highlights and features
- We offer 60+ years of combined experience in HVAC and plumbing services.
- Our team includes certified technicians with NATE, OSHA, and industry certifications.
- We guarantee 24/7 emergency service for urgent plumbing and HVAC needs.
- Our family-owned business prioritizes transparency with upfront pricing and satisfaction guarantees.
- We provide energy-efficient solutions tailored to residential and commercial properties.
What people say
Same-day appointment
Reputable professional
Pleasure to have met
Quiet Daikin system
Clear explanations
Services
HVAC Installation
Our HVAC installation services ensure energy-efficient heating and cooling solutions for residential and commercial properties. We guide clients through system selection, including size, fuel type, and energy ratings, to optimize comfort and cost savings. With expert technicians and a focus on quality, we deliver seamless installations backed by a satisfaction guarantee.
Water Heater Repairs
We specialize in diagnosing and repairing water heater issues, including leaks, sediment buildup, and temperature irregularities. Our team offers prompt service, replacement parts, and preventive maintenance to extend system lifespan. Emergency repairs ensure minimal disruption to your home or business.
Drain Cleaning
Professional drain cleaning addresses clogs caused by grease, hair, tree roots, or aging pipes. Using advanced tools, we clear blockages and restore proper flow, preventing future issues. Regular maintenance reduces the risk of backups and costly damage to plumbing systems.
Emergency Plumbing
Our 24/7 emergency plumbing services address burst pipes, sewage issues, and urgent leaks. Rapid response teams arrive equipped to resolve crises, minimizing property damage. We prioritize safety and efficiency, ensuring critical plumbing problems are resolved swiftly and effectively.
Commercial HVAC
Tailored HVAC solutions for commercial properties include installation, maintenance, and repairs for large-scale systems. We focus on minimizing downtime, improving energy efficiency, and ensuring compliance with industry standards. Our team supports businesses with customized service plans and emergency support.
People
Patrick Freund
Principal
Patrick Freund leads sales and marketing for Freund Enterprises and serves as the Responsible Master Plumber for Primo Plumbing. With a background in brand management and a passion for community service, he brings strategic leadership to the family business.
Tom Freund
Principal
Tom Freund oversees accounting, operations, and sales at Comfort-Air Engineering. Known as the 'Swiss Army Knife' of the company, he focuses on maximizing organizational potential while enjoying life's simple pleasures.
Clint Wurzbach
Principal
Clint Wurzbach, a third-generation team member, serves as President of Freund Enterprises. A licensed engineer, he combines technical expertise with leadership to drive the company's growth and innovation.
Mike Stahl
VP, Technology
Mike Stahl manages IT, cybersecurity, and fleet operations for Comfort-Air Engineering. With decades of experience, he ensures technological efficiency and security across the company's operations.
Joshua Freund
Financial Analyst
Joshua Freund supports financial analysis and reporting for Freund Enterprises. A third-generation family member, he contributes to strategic decision-making with his expertise in finance and accounting.
Questions
Should I replace or repair my water heater?
If the system is over 10 years old or requires costly repairs, replacement is more cost-effective. Our experts assess your unit's condition to recommend the best solution.
How long does a water heater last?
Most water heaters last about a decade. Annual flushing and professional maintenance can extend their lifespan.
What are common water heater issues?
Common issues include water discoloration, irregular temperatures, pilot light problems, and leaks. Contact us for prompt diagnosis and repairs.
Do you offer 24/7 emergency services?
Yes, we provide 24/7 emergency plumbing and HVAC services to address urgent issues like burst pipes or system failures.
What payment methods do you accept?
We offer financing options for HVAC and plumbing services, allowing you to pay over time with convenient monthly payments.
How often should drains be cleaned?
Annual drain cleaning is recommended as preventive maintenance. Call us immediately if you notice slow drains or recurring clogs.
Reviews (7)
Paul Chapman
Dec 30, 2021
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I have trusted Comfort-Air with maintaining my home HVAC system at peak performance for many years. They have never disappointed me. I get a (1) Fall and (2) Spring check every year to ensure my system is ready for the colder and hotter weather seasons. I would highly recommend Comfort-Air to maintain and service your home HVAC system.
Sally Kleberg
Dec 27, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
I have used this company on multiple residences for over 40 years and I wouldnt use anyone else for installation, repair and maintenance of all things HVAC related!!
Services:AC maintenance,Heating maintenance,HVAC maintenance
I have used this company on multiple residences for over 40 years and I wouldnt use anyone else for installation, repair and maintenance of all things HVAC related!!
Services:AC maintenance,Heating maintenance,HVAC maintenance
Madelin Walls
Dec 20, 2021
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Positive:Professionalism,Quality
The technician that came out (Brian I think) was amazing, fast, accurate, best job of servicing the units. I want him each time.
Service:Heating maintenance
The technician that came out (Brian I think) was amazing, fast, accurate, best job of servicing the units. I want him each time.
Service:Heating maintenance
Ken Merhar
Nov 05, 2021
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Positive:Professionalism,Punctuality
I cannot say enough about Comfort Air. Their technicians are knowledgeable and through with respect to the semi annual inspections. My only service call went exceptionally well.
Jobs well done.
Services:AC maintenance,Heating maintenance
I cannot say enough about Comfort Air. Their technicians are knowledgeable and through with respect to the semi annual inspections. My only service call went exceptionally well.
Jobs well done.
Services:AC maintenance,Heating maintenance
Biker Larry
Oct 30, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
Been using Comfort Air for years. Have. PPP Maintenance Plan with them (check heating & AC twice a year). Replaced my entire AC/Furnace in 03/2020. Got 3 bids, went with Comfort Air. Installation was smooth, timely and right on cost. Highly recommend. Even upped my AC to 5 ton.
Services:Install AC,Install heating system,Heating maintenance,HVAC maintenance
Been using Comfort Air for years. Have. PPP Maintenance Plan with them (check heating & AC twice a year). Replaced my entire AC/Furnace in 03/2020. Got 3 bids, went with Comfort Air. Installation was smooth, timely and right on cost. Highly recommend. Even upped my AC to 5 ton.
Services:Install AC,Install heating system,Heating maintenance,HVAC maintenance
Mark Whitlock
Sep 04, 2021
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Simply, the best. I am not a price shopper, I look for value over the long haul; after all these systems last 10 -15 years +. After shopping around, we stayed with Comfort-Air. Although we have been using them for years (decades?), it pays to be careful, especially with a complete system replacement. Comfort-Air did not disappoint. On time for both arrival and finish, no $urprise$ and unit is delivering what was promised and then some. What more could you ask for?
Hollie Smith
Aug 31, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
A wonderful experience. Expert service.came to fix/replace capacitor. Came within a few hours of my call. I will only use this company in the future. THE TECHNICIAN was professional and is an expert in hi field.
Services:Repair HVAC,Repair AC
A wonderful experience. Expert service.came to fix/replace capacitor. Came within a few hours of my call. I will only use this company in the future. THE TECHNICIAN was professional and is an expert in hi field.
Services:Repair HVAC,Repair AC
