AC Guide
6 min read
When to repair vs. replace your Phoenix AC
Five signs your system is on borrowed time - and how to make the math work in 115° heat.
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Contractors You Can Rely OnCommercial HVAC
Commercial HVAC
& Plumbing Contractor,
Phoenix, AZ
Phoenix's licensed commercial HVAC contractor and full mechanical services team - commercial, industrial, and residential HVAC & plumbing under one trusted contract. Built on 150+ years of combined experience and engineered for Arizona's demanding climate.
24/7
Emergency dispatch
ROC
Licensed · Bonded · Insured
150+
Years combined experience
Phoenix·Scottsdale·Mesa·Tempe·Chandler·Gilbert·Glendale·Peoria·Surprise·Avondale·Buckeye
Licensed · Bonded · Insured
BBB A+ Accredited
Master Plumbers & HVAC Technicians
100% Satisfaction Guarantee
Licensed · Bonded · Insured
BBB A+ Accredited
Master Plumbers & HVAC Technicians
100% Satisfaction Guarantee
What we do
One contractor. Every mechanical trade
Phoenix runs hard on its mechanical systems - 115° summers, hard water, and round-the-clock commercial duty. Central Mechanical handles HVAC, plumbing, and large-scale commercial systems for homes and businesses across the Valley, all under one license.
24/7
Emergency dispatch
HVAC Services
AC repair, replacement, heating, ductwork, rooftop units, and full mechanical systems. We work on residential split systems and large-scale commercial chillers, cooling towers, and boilers with the same precision.
Explore hvac services
Master
Plumber on staff
Plumbing Services
Drain cleaning with video line scoping, water heaters, repipes, and fixtures.
Explore plumbing services
1
Contract, every trade
Commercial Services
Chillers, boilers, RTUs, commercial plumbing, and mechanical retrofits under one license.
Explore commercial services
Free
In-home estimates
Residential Services
Whole-home HVAC and plumbing - honest pricing, EPA Certified, master plumber on staff.
Explore residential services
$59
AC tune-up special
Preventative Maintenance
Scheduled tune-ups and PM contracts that catch worn parts before they cause breakdowns.
Explore preventative maintenance
7 yrs
Local family operated
<60m
Avg. emergency response
24/7
Live dispatch, every day
Now offering electrical
Electrical services
Residential and commercial electrical
The same team you call for HVAC and plumbing now handles electrical work for Valley homes and businesses: repairs, wiring, panel upgrades, lighting, safety inspections, backup power connections and EV chargers.
- Repairs & Troubleshooting
- Wiring & Rewiring
- Panels & Circuit Breakers
- Lighting & Fixtures
- Safety & Inspections
- Generators & Backup Power
- EV Charger Installation
Built for the ValleyOne contractor.
One contractor.
Many trades
Central Mechanical Services LLC handles HVAC, plumbing, and general contracting work under one contract - for property managers, business owners, and homeowners who want a single accountable team across every system.
All Year
HVAC
From mini-splits to chillers.
AC repair, replacement, heating, ductwork, rooftop units, and full mechanical systems. We work on residential split systems and large-scale commercial chillers, cooling towers, and boilers with the same precision.
- AC repair & replacement
- Mini-split installation
- Rooftop units
- Chiller & boiler service
All Year
Plumbing
Full-service mechanical plumbing.
Water heaters, repipes, drain cleaning, video line scoping, evap-cooler service, and emergency leak response. One trusted crew for every plumbing call across the Valley.
- Water heaters
- Repipes & line repair
- Video line scoping
- Drain cleaning
All Year
Commercial
Built for businesses.
Property managers, business owners, and facility teams get one contractor for HVAC, plumbing, and General Contracting work. Permits, inspections, and clear invoicing on every job.
- Property-manager contracts
- Preventative maintenance
- After-hours service
- Tenant build-outs
The Central Mechanical Process
Four steps. Zero surprises
We've refined this process across thousands of Valley service calls. It's how we keep every job consistent, on time, and on budget.
- 01
Call or book online
Talk to a real Valley dispatcher - no phone trees, no offshore call centers. Most appointments booked within 5 minutes.
- 02
On-site diagnosis
A licensed tech arrives in a fully-stocked truck. Full inspection, photos of the issue, and flat-rate quote - before any work starts.
- 03
Fix it right the first time
Quality parts, clean workmanship, and respect for your home (shoe covers, drop cloths, the whole nine). Most repairs done same-day.
- 04
Guarantee in writing
Every job backed by our 100% satisfaction guarantee plus manufacturer warranties on parts. Issues after the visit? We come back free.
Why Phoenix picks Central Mechanical
Local expertise. Backed by results
We don't outsource dispatch. Every truck carries a trained technician, a fully-stocked parts bin, and the authority to make it right on the spot.
Licensed & insured
Fully bonded AZ ROC contractors with comprehensive liability coverage.
Master technicians
EPA-certified HVAC techs and a master plumber on staff.
One accountable team
Full Mechanical, HVAC, Plumbing, and General Construction with a single contractor - no finger-pointing, no hassle.
Fast response
Same-day dispatch across the Valley plus 24/7 emergency service.
From the field
Have a question? Ask us Honest answers, written by techs.
Plumbing 101
5 min read
Hard water in Arizona: what it costs you
Phoenix has some of the hardest water in the U.S. Here's what it does to pipes, water heaters, and skin - plus how to fix it.
Read article
Where we workFrom Buckeye to Mesa.
From Buckeye to Mesa.
The whole Valley
We dispatch crews across the Phoenix metro so a technician is never far from your door. No mileage fees inside our standard service zone.
Full service areaPhoenix
Scottsdale
Mesa
Tempe
Chandler
Gilbert
Glendale
Peoria
Surprise
Avondale
Buckeye
Explore the site
Everything Central Mechanical does
Central Mechanical Services is one licensed contractor handling HVAC, plumbing, and commercial mechanical work across the Phoenix Valley. From same-day AC repair and water-heater swaps to rooftop units, chillers, and multi-property preventative maintenance contracts, our crews cover residential, commercial, and industrial jobs under a single point of accountability. Use the links below to jump into the service, resource, or coverage page that matches what you need.
HVAC
HVAC Services
Commercial HVAC contractor work - AC, heating, rooftop units, chillers, and mini-splits.
Learn more ElectricalElectrical Services
Residential and commercial electrical repairs, wiring, panels, lighting and EV chargers.
Learn more CommercialCommercial Services
Property-manager and business contracts for HVAC, plumbing, and mechanical work.
Learn more MaintenancePreventative Maintenance
Scheduled HVAC and plumbing tune-ups that extend equipment life.
Learn more ServicesAll HVAC & Plumbing Services
HVAC, plumbing, commercial, residential, preventative maintenance - one contractor.
Learn more CoverageService Area
11 Valley cities served from Phoenix dispatch.
Learn more PlanMaintenance Plans
Scheduled HVAC and plumbing tune-ups that extend equipment life.
Learn more FinancingFinancing
Flexible payment options on major HVAC and plumbing projects.
Learn more SavePromotions
Active HVAC and plumbing offers this month.
Learn more GuidesResource Hub
Phoenix-specific HVAC and plumbing guides.
Learn more TrustCustomer Reviews
Real Valley customers, real outcomes.
Learn more Urgent24/7 Emergency
Around-the-clock HVAC and plumbing dispatch.
Learn more CompanyAbout Central Mechanical
How we got here and the team you'll meet.
Learn moreReady when you are
AC down? Plumbing leak?
Get a free estimate
Same-week appointments across the Valley · Honest diagnostics and a written estimate on every visit · Mon–Fri 7am–4pm · Closed Saturday & Sunday.