1st Choice Mechanical in Westminster, CO

Leading HVAC experts in Westminster, dedicated to superior comfort and customer satisfaction.

Core Values

Westminster's HVAC professionals of choice

Welcome to 1ST choice mechanical, a family-owned business proudly serving Westminster, Colorado, since our founding in 2018. At 1ST Choice Mechanical LLC, we uphold core values that define our commitment to excellence: Trust, Honesty, Integrity, Reliability, Accountability, and Respect.
We prioritize our customers’ needs above all else, believing that their satisfaction is paramount. Our dedicated team is fully committed to meeting and exceeding those needs with every interaction. It is through this dedication that we have built strong relationships, leading to a high percentage of repeat customers and referrals.

HVAC services in Colorado

How Can We Assist You Today?

HVAC Commercial

HVAC Commercial services by 1st Choice Mechanical LLC cater specifically to businesses and commercial properties, ensuring optimal heating, ventilation, and air conditioning solutions. Our expert team designs, installs, maintains, and repairs commercial HVAC systems, including rooftop units, ductwork, ventilation systems, and energy-efficient solutions.

HVAC Residential

1st Choice Mechanical LLC provides comprehensive HVAC Residential services tailored to meet the comfort needs of homeowners. Our experienced team specializes in installing, repairing, and maintaining residential heating, ventilation, and air conditioning systems. We offer a range of services, including AC installation and repair, heating system maintenance.


Debbie Armstrong
Debbie Armstrong
Rich was pleasant, extremely helpful and professional. He helped me diagnose a couple issues and went above and beyond what I expected. Will definitely use them again.
Elliott Brun
Elliott Brun
After discussing the my water source heat pump AC issue I was able to get a quick service scheduled. Tad was very knowledgeable on the system, and after quick diagnosis with the right tools for a heat pump, made a same day service on the unit. AC is back !
Giselle Padilla
Giselle Padilla
Great experience, Highly recommended!
B “Perk” Perkins
B “Perk” Perkins
Great experience with them. Responds quickly. Clearly knowledgeable about HVAC. Schedules quickly too. Will be using them for all my HVAC needs.