
Full-service mechanical contracting for industrial & commercial facilities
Keep your facility safe, efficient, and code-compliant with Bunney’s Inc. We design, build, and maintain mechanical systems that stand up to Arizona heat, heavy use, and tight production schedules—serving manufacturers, utilities, logistics hubs, public agencies, and more across the state.
New to Bunney’s? Learn who we are and explore our capabilities.
What we do
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HVAC systems – Rooftop units, chillers, boilers, cooling towers, make-up air, energy recovery, and VFD retrofits.
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Plumbing & process piping – Domestic water, sanitary, storm, compressed air, steam/condensate, chemical and industrial water.
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Fire protection – Pumps, foundations, wet/dry systems, standpipes, inspections (per NFPA intent) and repairs.
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Controls & automation – BAS integration, sensors, metering, and dashboards to optimize comfort and energy use.
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Equipment setting – Pumps, tanks, heat exchangers, air handlers; alignment, vibration isolation, and start-up.
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Service & maintenance – Preventive and predictive programs, water treatment guidance, and 24/7 emergency response.
Delivery that fits your operation
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Design-build or plan-spec – Preconstruction planning, budgeting, and constructability reviews.
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Prefabrication & scheduling – Off-site fab and off-hours work to cut downtime and change-orders.
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Commissioning & training – Functional tests, documentation, and on-site staff handoff.
Safety & compliance
Our crews work to current code requirements and manufacturer guidelines, with job-specific JHAs, lockout/tagout, and confined-space protocols. Documentation is provided for inspections and recordkeeping.
Industries we serve
Power & utilities • Manufacturing • Food & beverage • Distribution & cold storage • Water/Wastewater • Public facilities & campuses
Why Bunney’s
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Local Arizona experience with heat-load and water-quality realities
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Skilled, certified technicians and project managers
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Transparent scopes, clear schedules, and proactive communication
Our process
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Site walk & goals → 2) Scope & budget → 3) Detailed plan & permits → 4) Install & commission → 5) Training & support
Ready to plan your project? Get a site walk and budgetary estimate from our team.
Helpful links
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Plan adjacent flatwork with Concrete Flatwork
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Fix cracking or settlement with Concrete Repairs
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Coordinate curb ramps and approaches via Sidewalk Construction
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Ask about ongoing Facility Maintenance for inspections and resealing
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Ready to build? Contact us
FAQs
Do you work in active facilities?
Yes—most upgrades are planned during low-load windows with off-hours installation to minimize disruption.
Can you provide design-build and budgeting help?
Absolutely. We can develop concepts, estimates, and phased plans to align with your capital timeline.
Do you service systems from any manufacturer?
Yes. We maintain multi-brand equipment and follow OEM procedures to protect warranties.
How often should mechanical systems be serviced in Arizona?
Typically quarterly filters/belts checks, semiannual HVAC tune-ups, and annual full inspections. High-load or dusty sites may need more frequent visits.
Do you offer emergency service?
Yes—priority, same-day response is available for critical issues.

