Performing Services on a commercial chiller system

COMMERCIAL HVAC REPLACEMENT OMAHA

Serving Omaha Metro For Over 55 Years

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Rasmussen Mechanical Services headquarters in Council Bluffs, Iowa, providing boiler rentals and mechanical services to customers throughout Nebraska.

WHO WE ARE

We have been providing commercial HVAC replacement in Omaha, Nebraska for more than 55 years. Our approach starts with a thorough evaluation of your existing HVAC system, allowing us to help you make informed, long-term decisions for your facility. We install and replace all makes and models of commercial heating and cooling equipment and are available 24/7 when service is needed. As a locally owned, family-run company, we employ some of the most experienced technicians in the industry to handle all aspects of your heating, ventilation, and air conditioning needs.

CONTACT US

24/7 Service Number: 1-800-237-3141
Local Number: 712-323-0541
Email: sales@rasmech.com
Address: 3211 Nebraska Ave. Council Bluffs, IA 51501
Office Hours
Monday – Friday: 7:00am – 4:00pm

New ACL Refrigerant Equipment

COMMERCIAL HVAC EQUIPMENT WE REPLACE

Rasmussen Mechanical Services specializes in commercial HVAC replacement for aging, inefficient, or failing systems. We can replace a wide range of commercial and industrial HVAC equipment including:

HVAC TECH Leaning On An AHU

ROOFTOP UNIT (RTU) INSTALLATION

We provide complete commercial rooftop unit replacement for offices, retail buildings, warehouses, and industrial facilities. Our RTU replacement services include removal of existing units, curb and structural modifications, proper system sizing, crane coordination, and full startup and commissioning to ensure dependable operation.

MAKE_UP AIR UNIT (MAU) INSTALLATION

We replace make-up air units (MAUs) serving commercial kitchens, manufacturing plants, and large industrial spaces. Make-up air units are essential components of commercial ventilation systems, helping to protect sensitive equipment from damage caused by extreme temperatures or humidity. We can install direct-fired and indirect-fired systems designed to maintain proper building pressure, support exhaust systems, and comply with ventilation and safety codes.


RTU Install With Tech On Roof

AIR HANDLING UNIT (AHU) INSTALLATION

We install air handling units that are engineered to meet airflow, ventilation, and humidity requirements. These systems are commonly paired with boiler, chiller, or make-up air systems.

COMMERCIAL CHILLER INSTALLATION

Our team replaces air-cooled and water-cooled chillers serving office buildings, healthcare facilities, manufacturing plants, and institutional campuses. Chiller replacements are evaluated as part of the overall HVAC system to ensure proper sizing, energy efficiency, and seamless integration with air handling units, pumps, and controls.

WHY CHOOSE US

Rasmussen Mechanical Services is Omaha’s trusted commercial HVAC service provider with over 55 years of experience in HVAC repair, maintenance, and installation. We install all major HVAC brands and equipment—including chillers, rooftop units, air handling units, heat pumps, boilers, make-up air units and building automation systems. Our team delivers energy-efficient HVAC solutions and expert project management.

  • Serving Omaha since 1970

  • 3rd Generation Family Owned Business

  • 24/7 Emergency Service

  • Most Experienced Technicians In The Industry

Stacked chiller cooling system installed by Rasmussen Mechanical Services as part of an industrial mechanical construction project to improve cooling efficiency and system reliability.

FAQ

When should a commercial HVAC system be replaced instead of repaired?

A commercial HVAC system should be considered for replacement when it reaches the end of its expected service life (typically 15–25 years), experiences frequent breakdowns, or requires costly repairs that no longer improve reliability. If downtime, rising repair costs, or efficiency loss are becoming recurring issues, replacement is often the more practical long-term solution.

Do you offer commercial HVAC repair and maintenance services?

Yes. In addition to HVAC replacement, we provide commercial HVAC repair and preventative maintenance for RTUs, air handling units, make-up air units, and other commercial HVAC systems. Our technicians service all major makes and models and focus on identifying issues early, improving system performance, and reducing the risk of unexpected downtime. Regular maintenance is essential to ensure the HVAC system does its job efficiently.

HVAC Tech On A Lift Working On Equipment

What Industries Do You Work With?

Our experienced team specializes in commercial HVAC installation, repair, and maintenance for a wide range of industries, including manufacturing, healthcare, food processing, schools, ethanol facilities, and commercial properties. Whether you need a new commercial HVAC unit, regular maintenance services, or emergency repairs, you can rely on us.

Why is proactive HVAC replacement better than waiting for a system failure?

Replacing a commercial HVAC system before it fails gives building owners greater control over cost, comfort, and reliability. Newer systems operate more efficiently and also eliminates many of the recurring repair issues that often come with older systems. In addition, a new HVAC system improves indoor air quality by removing years of accumulated dust, debris that can affect airflow and comfort.

LOCAL REVIEWS

Three HVAC Technicians in orange safety gear installing metal ductwork and scaffolding inside an industrial building.

“I’ve worked in facilities all my life, for 35 years. I would recommend Rasmussen Mechanical because of their outstanding service and reliability... If my boilers break down I know who I’m going to call and who’s going to show up.”

David McAtee – Boystown National Research Hospital

“We have 85 pieces of equipment at the Church and School. I rely on Rasmussen to catalog and assist with monitoring end of life and preventative maintenance of this equipment.”

Jeffrey Beulke – St. Wenceslaus

THE RASMUSSEN DIFFERENCE

At Rasmussen Mechanical Services, our core values are rooted in delivering exceptional commercial HVAC services that keep businesses in Omaha, NE running smoothly and efficiently.

Our commitment to energy efficiency means we help businesses save money on energy bills while maintaining peak efficiency and comfort. That’s why we offer routine maintenance and commercial HVAC maintenance services designed to keep your HVAC unit operating at its best, prevent unexpected breakdowns, and extend the life of your equipment.

As a family-owned company serving the greater Omaha area, we take pride in our reputation for reliability, expertise, and outstanding customer service. Make the right choice by hiring a professional commercial HVAC company and save money, improve comfort, and ensure your system operates reliably.

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GET THE HELP YOU NEED FOR ALL THINGS MECHANICAL