Square A Mechanical Systems: Aurora, CO's Trusted HVAC Experts
For over two decades, Square A Mechanical Systems has been the go-to heating and cooling company for Aurora, CO and the surrounding areas. Founded in 2000, this locally owned business brings deep technical knowledge and a commitment to honest service to every job, whether for a home or a large commercial building.
Business Overview
Square A Mechanical Systems focuses on both residential and commercial HVAC needs. They understand that a broken furnace in a Colorado winter or a failed AC during a summer heatwave is an emergency. Their team is available during regular business hours to provide reliable solutions. With a skilled crew led by owner Kevin Williams, they handle projects of all sizes with precision.
Key Services
The company provides a core set of services essential for comfort in Aurora's climate:
- HVAC Installation or Replacement: Whether you need a new high-efficiency furnace for an older Aurora home or a complete system for a business, they handle it from planning to finish.
- HVAC System Repair: They diagnose and fix issues with furnaces, air conditioners, and complex heating systems to restore comfort quickly.
Areas Served
Square A Mechanical Systems proudly serves Watkins, CO and the greater Aurora region. Their long history here means they have a strong working knowledge of local housing styles, from ranch homes to newer developments, and the specific needs of commercial buildings in the area. They know what systems work best for our local weather patterns.
Company History
Kevin D. Williams started Square A Mechanical Systems in 2000. He built the company on a foundation of engineering expertise and hands-on field experience. Over the years, the business has grown by sticking to a simple principle: do the job right. They haven't chased rapid expansion, preferring to maintain quality control and direct owner involvement on every project.
Leadership
Owner Kevin Williams is the heart of the company. With 35 years in the trade, his experience is vast. He holds a Bachelor of Science in Mechanical Engineering Technology and multiple elite licenses, including an ICC National Master HVAC License and all three Denver Class A Supervisor Licenses for steam and water systems. He's not just a manager; he's a working mechanic who understands the intricacies of every system his team services.
Specialties & Highlights
What makes Square A Mechanical Systems stand out in Aurora, CO?
- Deep Heating Expertise: They specialize in hot water, steam, and radiant heating systems—complex setups that many companies avoid.
- Owner-Led Service: Kevin's direct involvement means clients get the benefit of decades of problem-solving on every call.
- Strong Credentials: The company's licenses, especially the Denver steam certificates, reflect a level of formal qualification that is uncommon.
- Dual Focus: They are equally adept at servicing a residential boiler and a large commercial HVAC system, offering wide-ranging solutions.
Why Locals Choose Square A Mechanical Systems
Homeowners and business managers in Watkins and Aurora choose Square A Mechanical Systems for their blend of education, experience, and old-fashioned reliability. In a field where shortcuts are tempting, this company is known for thorough work. Their long-standing local presence means they've likely seen and fixed your problem before. When you need an HVAC expert who treats your property with respect, Square A Mechanical Systems in Aurora, CO delivers consistent, knowledgeable service built on three decades of know-how.
Contact Information
Square A Mechanical Systems
: 2863 S Pagosa St, Aurora, CO 80013
: http://squareamechanical.com/
Business Services
- HVAC installation or replacement
- HVAC system repair
Business Location & Hours
| Mon: | 7:00 AM - 5:30 PM |
| Tue: | 7:00 AM - 5:30 PM |
| Wed: | 7:00 AM - 5:30 PM |
| Thu: | 7:00 AM - 5:30 PM |
| Fri: | 7:00 AM - 5:30 PM |
| Sat: | 7:00 AM - 4:00 PM |
| Sun: | Closed |





