Rooftop commercial HVAC condensing units and ductwork

Service · AHU

Commercial HVAC Services

Full-service HVAC for facilities that cannot afford downtime — designed, installed, commissioned and maintained by one team.

AHU

HVAC

Expert care for complex HVAC systems.

Commercial HVAC systems are the backbone of comfort, safety and productivity in modern facilities, but they require expert attention, ongoing maintenance and occasional repairs to operate at their best. Sherman provides full-service HVAC solutions designed to keep systems reliable, efficient and compliant.

Our technicians work with leading manufacturers and a wide variety of HVAC equipment. From healthcare MRI chillers to resort chiller plants, we understand the specialized requirements of each industry and deliver results that keep facilities running smoothly.

Scope of work

HVAC services we offer

01

24/7 emergency service

Around-the-clock response to minimize downtime.

02

Complete repair & maintenance

Proactive care that extends system life.

03

New & replacement equipment installation

Efficient solutions for upgrades or expansion.

04

Boiler & chiller maintenance

Care for critical heating and cooling equipment.

05

MRI chillers

Specialized solutions for healthcare facilities.

06

Air & water-cooled chilled water systems

Precision control for large-scale environments.

07

Comprehensive system inspections

Checking safety, efficiency and compliance.

08

Building automation integration

Seamless operation through advanced controls.

09

VRF systems

Flexible, energy-efficient climate solutions.

10

Special projects & new construction

Turnkey HVAC support from design to completion.

Where we work

Industries we serve with HVAC

Each environment sets its own compliance and uptime requirements. Our HVAC work adapts to the facility, not the other way round.

Healthcare

MRI chillers and air quality systems for patient safety.

Hospitality & Restaurants

Reliable HVAC for guest comfort and kitchen operations.

Education

Climate control for classrooms, labs and auditoriums.

Retail & Grocery

Consistent temperature and air quality for customers and inventory.

Assisted Living & Memory Care

Comfortable, safe environments for residents.

Manufacturing & Aviation

Specialized HVAC for large-scale, complex facilities.

Why facilities trust Sherman for HVAC

Versatility across industries

From hospitals to hospitality, we adapt to unique facility needs.

Proven expertise

Decades of experience with complex HVAC systems.

Safety & compliance first

Meeting the strict standards of regulated environments.

24/7 availability

Dependable service whenever you need it most.

Equipment

Equipment we service

If it moves air, water or refrigerant through a commercial building, our technicians have worked on it. Brand is rarely the obstacle.

Water-cooled chillers

Air-cooled chillers

Cooling towers

MRI & process chillers

Boilers

Rooftop units

Air handling units

VAV boxes & reheat coils

VRF & mini-split systems

CRAC & CRAH units

Make-up air & exhaust fans

Pumps & variable frequency drives

Heat exchangers

Controls & sensors

Engagement

How an HVAC engagement works

Whether it starts as an emergency call or a bid package, the path is the same.

01

Site walk

We see the equipment, the nameplate data and the access before committing to a number.

02

Scope and schedule

Written scope, priced, sequenced around your operating hours and any shutdown windows.

03

Execute

Licensed technicians on site, with parts sourced and staged ahead of the work.

04

Report

Findings and recommendations documented, and the equipment record updated for next time.

Industrial process cooling equipment and piping in a manufacturing plant
Process cooling in a manufacturing plant

Common questions

HVAC FAQs

Do you provide 24/7 emergency HVAC service?

Yes. Our technicians are available around the clock to handle urgent HVAC issues and minimize downtime.

Can you work with existing HVAC systems from different manufacturers?

Yes. Our team has hands-on experience with a wide range of equipment brands and system types.

Do you offer maintenance agreements for HVAC systems?

Yes. We provide preventive maintenance plans that extend equipment life and reduce repair costs. See Planned Maintenance Programs.

Equipment index

What our technicians work on

Across manufacturers and generations of equipment, in buildings that stay open while we work.

01

Chillers

Air-cooled, water-cooled, centrifugal and process

02

Air handling units

Built-up and packaged, VAV and constant volume

03

Rooftop units

Single-zone through multi-zone, gas and electric

04

Cooling towers

Open and closed circuit, with water treatment coordination

05

Boilers & hot water

Hydronic heating, domestic hot water and steam

06

Pumps & piping

Chilled water, condenser water and hydronic distribution

07

Split & VRF systems

Multi-zone systems in retrofits and additions

08

Controls & sensors

Actuators, valves, VFDs and field devices

Keep your facility safe, comfortable and efficient.

Tell us about your equipment and we will get the right technician on it.