Business Details
50+ Years
experience
Emergency
services
Expert HVAC & Plumbing Services in San Antonio
Comfort-Air Engineering and Primo Plumbing have been a trusted name in HVAC and plumbing services since 1964. Founded by John and Robert Freund, our family-owned business has built a legacy of integrity, customer-first values, and technical excellence. With over 60 years of combined experience, we specialize in residential and commercial HVAC systems, plumbing solutions, and emergency services tailored to San Antonio and surrounding areas. Our team of certified professionals is committed to delivering reliable, code-compliant workmanship, backed by a 100% satisfaction guarantee.From routine maintenance to complex installations, we prioritize transparency, upfront pricing, and personalized service to ensure lasting comfort for every client. As a multi-generational company, we uphold the highest standards of professionalism while investing in ongoing training and cutting-edge technology to stay at the forefront of our industry.
Services
HVAC Installation
Plumbing Repairs
Water Heater Services
Drain Cleaning
Emergency Plumbing
Leak Detection
Pipe Replacement
Backflow Prevention
Commercial Plumbing
Water Filtration
Details
- Year established: 1964
Highlights and features
- Family-owned since 1964 with multi-generational expertise
- 24/7 emergency services available
- Certified technicians with industry-specific training
- Transparent pricing and satisfaction guarantee
- Specialized in residential and commercial HVAC/plumbing
What people say
Prompt service
Professional technicians
Satisfaction guarantee
Transparent pricing
Reliable solutions
Services
HVAC Installation
Our HVAC installation services ensure energy-efficient climate control for residential and commercial properties. Certified technicians handle system sizing, fuel type selection, and code-compliant installations. We offer Carrier, Daikin, and other trusted brands with warranties and performance guarantees.
Plumbing Repairs
From slab leaks to sewer line issues, our licensed plumbers provide rapid diagnostics and repairs. We use electronic leak detection and pipe relining technologies to minimize property disruption while restoring full system functionality for homes and businesses.
Water Heater Services
We specialize in traditional tank and tankless water heater installations, repairs, and maintenance. Our technicians address common issues like sediment buildup, pressure problems, and component failures while offering energy-saving upgrade recommendations.
Drain Cleaning
Professional drain cleaning services remove clogs caused by grease, hair, and tree roots using hydro-jetting and mechanical augers. We provide preventive maintenance plans to avoid recurring blockages and sewer backups in residential and commercial properties.
Emergency Plumbing
24/7 emergency response for burst pipes, flooding, and critical system failures. Our fully equipped service vehicles enable rapid repairs to minimize water damage and restore functionality during after-hours plumbing crises.
People
Patrick Freund
Principal
Patrick Freund leads sales and marketing for Freund Enterprises while serving as Responsible Master Plumber for Primo Plumbing. With prior brand management experience at Frito-Lay, he combines corporate expertise with family business values.
Tom Freund
Principal
Tom Freund oversees accounting, operations, and sales for Comfort-Air Engineering. A 30-year veteran of the organization, he focuses on strategic growth while maintaining the company's family-oriented culture.
Clint Wurzbach
Principal
Clint Wurzbach, a third-generation engineer, serves as President of Freund Enterprises. Licensed professional engineer with expertise in mechanical systems, he manages technical operations and long-term engineering strategy.
Mike Stahl
VP, Technology
Mike Stahl directs IT management, cybersecurity, and fleet operations after 30 years of progressive leadership in construction and technology roles at Comfort-Air Engineering.
Joshua Freund
Financial Analyst
Joshua Freund provides financial analysis and reporting for Freund Enterprises. As a third-generation family member, he combines financial expertise with deep institutional knowledge to support strategic decision-making.
Questions
What HVAC services do you offer?
We provide complete HVAC services including installation, repair, maintenance, and emergency services for residential and commercial properties.
Are your plumbers licensed and insured?
Yes, all our plumbers are licensed, insured, and undergo continuous training to maintain industry certifications.
Do you service tankless water heaters?
Yes, we install, repair, and maintain both traditional tank and tankless water heater systems.
What areas do you serve?
We serve San Antonio and surrounding areas including Alamo Heights, Boerne, and Timberwood Park.
Do you offer maintenance plans?
Yes, we offer comprehensive maintenance plans with priority scheduling, discounts, and bi-annual inspections.
How quickly can you respond to emergencies?
Our 24/7 emergency service ensures technicians respond promptly to critical HVAC and plumbing issues.
Reviews (3)
Becky Runnels-Dowda
Jun 22, 2018
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Excellent service! From the beginning with the initial quote for a new AC system and all ductwork, etc., to the installation and servicing of the.
Eric Patenaude
Jul 31, 2017
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Big thanks to Comfort Air last night-- My wife and I were out of town on a weekend getaway while the kids were at home with grandparents. We landed at.
Susan Hennelly Nicholas
Dec 14, 2016
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This fine company has been servicing my home for over 15 years. They come twice a year, once in the Spring and once in the Fall. Comfort Air.
