
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.

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.