Commercial HVAC Service in Denver
Keep Your Building Comfortable & Operations Moving
Heating and cooling problems in a commercial building affect more than comfort. Tenants complain, employees struggle to work, and equipment or inventory can be put at risk. If you are responsible for a property in the Denver area, you need a partner who can respond quickly and handle complex systems with care.
Allen Service has been helping local businesses and property owners manage their building systems since 1962. As a family-owned company led by third-generation brothers Jeff and Mike Allen, we bring a long history of reliable service, clear communication, and respect for every facility we enter. Our team is available for same-day appointments and 24/7 emergency help so your operations can get back on track faster.
We work with offices, retail spaces, restaurants, and other commercial properties across Denver to diagnose, repair, maintain, and upgrade heating and cooling systems. Our goal is to take the stress out of managing HVAC problems so you can focus on running your business.
Ready to schedule your commercial HVAC service in Denver? Call (970) 431-6574 or send us a message online today.
Comprehensive Commercial HVAC Services
We tailor HVAC solutions to your building type—office towers, retail spaces, restaurants, or mixed-use properties. Our services include:
- Emergency diagnostics and rapid repair for heating and cooling systems
- Planned replacement of rooftop units, boilers, chillers, and other commercial equipment
- Seasonal tune-ups and ongoing maintenance programs
Hear From Our Happy Customers
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“Allen Service came out promptly and saved the day for me! My 50-year-old condo needed service immediately & they delivered! I recommend this company wholeheartedly. Ask for Brian and Michael!”Drew V.
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“The company was responsive and went above and beyond. They worked through my broken sink issue and were informative along the way. Extremely polite and efficient. I would absolutely ask Allen for service again!”Dorothy G.
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“Allen has been our preferred vendor for maintenance and repairs across our entire apartment community. Their team is consistently prompt, professional, & efficient. They respond quickly, diagnose the problem accurately, & complete repairs quickly.”Alison W.
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“Zach Workman did an excellent job fixing my AC capacitor. And even gave me a very well explained run down of how AC units work, especially capacitors. This was beneficial to me as I am a tradesman myself. Highly recommend Allen Service.”Chance I.
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“I had a great experience with Allen Service when our AC stopped working. Kevin, was extremely polite and knowledgeable. He was able to diagnose and resolve the issue quickly and even provided some informative advice for us moving forward.”Jenna A.
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“Awesome service and customer care. They were stupendous! I noticed immediately how positive and energetic they were, working together as a team to rectify our issues. These young men were personable, courteous, & very informative.”Nicholas S.
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“My technician today was professional, courteous, thorough, and made everything easy to understand. My AC had stopped working and Allen was able to get someone to my house within 4 hours which was exceptional and appreciated!”Shannon M.
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“A wonderful experience with both of the technicians today. They arrived early, were pleasant, very professional, and installed an amazing unit.”Mary F.
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“Exceptional customer service from the first phone call, to scheduling, to completion of service appointment, to diagnosing the A/C not cooling properly. Extremely impressed. I will gladly be telling everyone I know to call for any of your services!”Christie S.
Advanced Diagnostics and Preventive Maintenance
Regular maintenance is key to preventing costly breakdowns. Our preventive care includes:
- Detailed system inspections and performance testing
- Cleaning, lubrication, and calibration of key components
- Early detection of worn or inefficient equipment
- Recommendations for upgrades or retrofits to extend system life
By catching problems early, our team helps avoid emergency repairs and reduces the risk of downtime, keeping your building running efficiently year-round.
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Local Professionals Who CareWe’re not just service providers — we’re part of your community. Our technicians live and work where you do, bringing personalized care and a friendly face to every home visit.
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Customer-First Service GuaranteeWe believe in doing the job right the first time. That’s why we back our work with guarantees and go the extra mile to ensure every customer feels taken care of.
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24/7 Emergency ResponseFrom a midnight furnace breakdown to a burst pipe or power issue, our expert team is on standby to restore your comfort quickly — day or night.
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Decades of Proven ExperienceWith over 60+ years of dedication to our communities, we blend modern technology with time-tested skills to deliver repairs, installations, and maintenance you can count on.
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Full-Service Home ExpertsSkip the hassle of juggling multiple contractors. From heating and cooling to plumbing and electrical, Allen Services is your one-call solution for total home care.
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Three Locations - One Standard of ExcellenceNo matter which Allen Services location you call, you’ll receive the same top-tier craftsmanship, friendly service, and dependable solutions for your home’s comfort and safety.
How We Support Your Building Operations
Reliable HVAC service extends beyond equipment—it includes communication, scheduling, and respect for your property. At Allen Service, our process includes:
- Careful listening to understand your building and goals
- Scheduling visits around operating hours with same-day options available
- Uniformed, trained technicians with clean work practices
- Clear explanations of findings, pricing, and options before starting work
- Post-service follow-up to review work and answer any questions
For larger projects, convenient financing options help you move forward without straining your budget. Our Membership Rewards Program offers priority scheduling and regular system checks to support long-term performance.
Trusted by Denver Businesses
Our customers value professionalism, responsiveness, and results. From offices to restaurants, Allen Service delivers quality work and fair pricing. Check out our reviews to see why businesses rely on us for decades of dependable HVAC support.
Whether you are planning upgrades or facing an urgent system failure, our team provides expertise and care that keeps your building comfortable, efficient, and safe.
Schedule Commercial HVAC Service Today
If your Denver commercial property needs heating or cooling support, Allen Service is ready to help. With decades of experience, trained technicians, fully stocked trucks, and a customer-first guarantee, we provide:
- Diagnostics, repairs, and emergency support
- Maintenance programs and energy-efficient upgrades
- Clear communication and minimal disruption to your building operations
Looking for reliable commercial HVAC service in Denver? Call (970) 431-6574 or contact us online today to schedule service that fits your business needs.
Commonly Asked Questions
How fast can Allen Service respond to a commercial HVAC emergency in Denver?
We provide 24/7 emergency response for commercial HVAC issues. Response times vary by location, weather, and call volume, but our same-day options help businesses restore comfort quickly.
Can you service HVAC systems installed by other contractors?
Yes, our technicians work on a wide range of equipment, including systems installed by other contractors. We assess, diagnose, and recommend solutions that align with your needs.
What can I expect during a commercial HVAC service visit?
A uniformed technician will inspect your system, explain findings in clear terms, and provide pricing before starting work. Clean work practices and professional communication ensure minimal disruption.
Do you offer commercial HVAC maintenance programs?
Yes, we tailor maintenance plans to your building, including inspections, cleaning, adjustments, and priority scheduling to prevent breakdowns and improve efficiency.
Can Allen Service help plan energy-efficient HVAC upgrades?
We review current equipment, building layout, and comfort goals to recommend upgrades that save energy and improve performance. Financing and phased implementation options are available.
How do you handle coordination with other building systems?
Our technicians work closely with electrical, plumbing, and other service teams to ensure HVAC projects integrate seamlessly with your building operations.
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The Help You Need
is Just a Click Away Colorado’s Trusted Home Service TeamTell us what you need, and we’ll take care of the rest. -
Allen Services
Membership Rewards Your Home’s VIP PassEnjoy routine check-ups, priority scheduling, and member-only perks that keep your home running smoothly. -
Easy Financing for
Any Budget Affordable Payments. Exceptional Service.Our financing plans make it simple to invest in your home when it matters most.
Why Denver Businesses Choose Allen Service
Property managers need more than quick fixes—they need a partner who understands their building, respects schedules, and delivers dependable service. At Allen Service, we:
- Provide experienced technicians trained in modern systems and high-efficiency equipment
- Stock trucks fully for first-visit repairs, minimizing downtime
- Offer multi-service support including plumbing and electrical coordination
- Uphold family values of honesty, craftsmanship, and long-term reliability
Our long-standing reputation in Denver reflects our commitment: “The name you know and trust.” With ongoing training and attention to safety codes, our technicians ensure every project meets current standards and building needs.
- Allenspark
- Ault
- Aurora
- Bellvue
- Berthoud
- Boulder
- Broomfield
- Castle Rock
- Centennial
- Commerce City
- Denver
- Eaton
- Firestone
- Fort Collins
- Fort Lupton
- Gilcrest
- Greeley
- Hudson
- Jamestown
- Johnstown
- Kersey
- La Salle
- Lafayette
- LaPorte
- Longmont
- Loveland
- Lyons
- Milliken
- Niwot
- Plattville
- Severance
- Timnath
- Wellington
- Windsor