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Commercial HVAC Equipment

Commercial HVAC Equipment We Service in Phoenix, AZ

Fifteen categories of equipment, from the packaged unit on a strip-center roof to the chiller plant under a hospital. Each page explains what the equipment is, what Phoenix does to it, and how we approach repair and replacement.

How to Use This Section

Start With the Nameplate.

Commercial HVAC is not one thing. A rooftop unit fails differently from a water-source heat pump, a cooling tower needs a different maintenance calendar from a boiler, and a VRF system is diagnosed from a controller rather than a gauge. The pages below are organized by equipment category so a facility manager can find the equipment on the roof, in the mechanical room or above the ceiling, and read what actually matters about it in this climate.

Each category page covers how the equipment is applied, what a Phoenix summer does to it, the symptoms that bring us out, the repair-versus-replace decision, and the manufacturers we most often encounter. For the brand on your equipment, see the manufacturer directory. For the decision itself, see repair or replace.

Refrigerant gauges on a commercial HVAC unit

Equipment Categories

Fifteen Categories, One Standard.

Packaged Rooftop Units

Gas/electric, cooling-only and heat-pump packaged units — the workhorse of Phoenix commercial roofs.

Trane · Carrier · Lennox · YORK · more

Service page

Commercial Split Systems

Matched condensing units and air handlers serving tenant suites, schools, churches and offices.

Trane · Carrier · Lennox · YORK · more

Equipment page

Commercial Air Handlers & Fan Coils

Modular and custom AHUs, fan arrays, coils and the zone-level fan coils that hang off them.

Trane · Carrier · YORK · Daikin · more

Equipment page

VRF / VRV Systems

Inverter-driven multi-zone refrigerant systems with heat-pump and heat-recovery configurations.

Trane · Carrier · YORK · Daikin · more

Service page

Water-Source Heat Pumps

Distributed zone heat pumps on a building water loop, with the tower and boiler that serve them.

Trane · Carrier · YORK · Daikin · more

Equipment page

Chillers

Air-cooled and water-cooled chilled-water plants for hospitals, towers, campuses and data centers.

Trane · Carrier · YORK · Daikin · more

Service page

Cooling Towers & Fluid Coolers

Open- and closed-circuit heat rejection for chillers, water-source loops and process cooling.

Baltimore Aircoil Company · EVAPCO · SPX Cooling Technologies · Delta Cooling Towers · more

Equipment page

Commercial Boilers

Hydronic heating, domestic hot water, pools and steam — condensing, non-condensing and legacy cast iron.

Rheem · Robur · Cleaver-Brooks · AERCO · more

Equipment page

DOAS, Make-Up Air & Energy Recovery

Dedicated outdoor-air systems, kitchen make-up air, ERVs and the pressurization that keeps buildings healthy.

Daikin · AAON · Temtrol · ClimateCraft · more

Equipment page

Commercial Evaporative Cooling

Direct and indirect evaporative systems for warehouses, shops and outside-air pre-cooling — an Arizona specialty.

Munters · Cambridge Air Solutions · Phoenix Manufacturing · Champion / Essick Air · more

Equipment page

Precision & Data Center Cooling

CRAC, CRAH, in-row and telecom-shelter cooling for the spaces where downtime is measured per minute.

Bard · Marvair · United CoolAir · Huntair · more

Service page

VAV & Terminal Units

Zone dampers, reheat, fan-powered boxes and the controllers that make a central air system deliver room by room.

Trane · Daikin · Titus · Price Industries · more

Equipment page

Unit Heaters, Duct Furnaces & Radiant

Gas-fired, hydronic, electric and infrared heating for warehouses, shops, service bays and open industrial spaces.

Nortek Global HVAC · Engineered Air · Greenheck · CaptiveAire · more

Equipment page

Building Automation & Controls

BAS, DDC, BACnet, legacy platform migration and the sequences that decide how well everything else runs.

Trane · Carrier · Vertiv · Schneider Electric · more

Service page

Commercial Refrigeration

Walk-ins, reach-ins, condensing units, supermarket racks and ice machines — refrigeration on Phoenix rooftops.

Baltimore Aircoil Company · EVAPCO · Copeland · Emerson · more

Equipment page

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