
Built-for-Arizona mechanical systems
Bunney’s Inc. plans, builds, and services building systems for commercial, industrial, and institutional clients—serving businesses across Arizona. Keep your facility efficient, safe, and compliant with a mechanical partner that understands desert heat, dust, and water constraints.
New to Bunney’s? Learn who we are and explore our capabilities.
What we deliver
-
HVAC systems: Packaged and split systems, chilled/hot water plants, cooling towers, DOAS, VAV/VRF, evaporative cooling, filtration & IAQ upgrades.
-
Plumbing & water management: Domestic water, sanitary and storm, backflow prevention, booster/recirculation pumps, water heaters, and low-flow retrofits.
-
Process & industrial equipment: Compressors, pumps, heat exchangers, process gas/air, and equipment setting with pads, anchors, and vibration control.
-
Refrigeration: Walk-ins, reach-ins, cold rooms, controls, leak detection, and refrigerant management.
-
Fire suppression (coordination/installation): Wet/dry/foam systems, fire pumps, valves, testing & inspection per NFPA standards.
-
Controls & BAS: Sensors, VFDs, smart thermostats, BACnet integration, trend logs, alarms, and optimization.
Need something specific? We’ll scope it to your loads, space, and budget.
Engineered for the Southwest environment
-
Extreme heat: Capacity sizing, coil selection, and condenser placement to prevent derating; shading and airflow strategies on rooftops.
-
Dust & air quality: Filtration upgrades (MERV/HEPA as appropriate), UV-C options, and maintenance intervals matched to dust events.
-
Water stewardship: High-efficiency fixtures, cooling-tower water treatment, blowdown controls, and leak detection to support conservation goals.
-
Reliability under load: Redundant pumps/fans, N+1 where needed, vibration isolation, and condition monitoring to limit downtime.
Industries we serve
Manufacturing & distribution • Food & beverage • Healthcare & labs • Education • Public sector & utilities • Office & mixed-use • Data/tech spaces
Our process
-
Assess: Site walk, load calculations, utility review, and risk assessment.
-
Engineer: Basis-of-design, equipment selection, drawings/submittals, and schedule.
-
Install: Safety-first execution, clean rigging, and quality checks per spec.
-
Commission: Functional testing, balancing, controls tuning, and owner training.
-
Maintain: CMMS-driven PMs, predictive analytics (vibration/thermography), and 24/7 on-call support.
Service programs
-
Planned maintenance: Filter changes, coil cleaning, strainers, belts, lubrication, seasonal start-ups/shutdowns.
-
Predictive care: Trend analysis, vibration and thermal scans, oil/refrigerant sampling.
-
On-demand repairs: Priority response with stocked common parts and clear not-to-exceed pricing.
Results you can expect
-
Lower utility spend and steadier comfort
-
Fewer unplanned outages and longer equipment life
-
Documented compliance for audits and insurers
-
Safer, quieter, easier-to-operate spaces
FAQs
What mechanical systems do you design and service?
HVAC, plumbing, process piping, refrigeration, fire suppression (per NFPA), and building controls—new installs, retrofits, and maintenance.
Can you work in active facilities without disrupting operations?
Yes. We phase work, offer night/weekend shifts, and coordinate shutdowns with clear communication and safety plans.
How do you size equipment for Arizona’s heat?
We perform load calcs using local weather data, account for roof gains, ventilation, and envelope performance, then select equipment with appropriate derate margins.
Do you provide maintenance only, or installs too?
Both. We offer design-build/plan-spec installation and turnkey maintenance agreements to protect the investment.
What standards do you follow?
ASHRAE, NFPA, IMC/IPC/IFC, ADA, local amendments, and manufacturer requirements—backed by startup/commissioning documentation.
Can you help lower energy and water use?
Absolutely—through controls optimization, VFDs, high-efficiency equipment, tower water treatment, and low-flow plumbing retrofits.
Do you offer emergency service?
Yes, 24/7. We triage, stabilize, and provide a detailed repair plan with parts lead times and options.

