A.C.R. Systems, Inc.
Commercial rooftop chiller installation
Serving Puerto Rico since 1990

Commercial Mechanical Contractors for Mission-Critical Facilities

Engineering HVAC, refrigeration, electrical and mechanical systems that keep Puerto Rico's most demanding facilities running — for over 30 years.

HospitalsManufacturingGovernmentHotelsCommercial Buildings
30+ Years
Experience
500+
Projects delivered
Licensed
Engineers
24/7
Emergency service
Trusted By

Puerto Rico's Leading Organizations

Regional Medical Center
Puerto Rico Health System
Municipal Government
Industrial Manufacturing Corp.
Caribbean Hotels Group
State University
Federal Agency
Retail Portfolio Inc.
34+
Years in business
500+
Commercial projects
$5M
Bonding capacity
60+
Maintenance clients
24/7
Emergency response
Zero
Contract defaults
Our Services

Full-scope mechanical contracting under one roof

From design-build to preventive maintenance — Mechanical, Electrical, and Maintenance & Service divisions integrated as one accountable partner.

A.C.R. Systems mechanical room
The Proof

Credentials, not slogans

Our qualifications are the reason clients trust us with mission-critical facilities.

Licensed Mechanical Engineers
State Certified Electricians
OSHA Compliant Safety Program
Fully Insured & Bonded
Commercial & Industrial Specialists
Government Project Experience
Industrial Manufacturing Expertise
Preventive Maintenance Programs
Industries Served

Trusted by sectors that can't afford downtime

Healthcare

Healthcare

  • Hospital HVAC
  • Cleanrooms
  • Medical gases
Manufacturing

Manufacturing

  • Compressed air
  • Process cooling
  • Industrial ventilation
Hospitality

Hospitality

  • VRF systems
  • Cooling towers
  • Kitchen exhaust
Government

Government

  • Facility retrofits
  • Standby power
  • Multi-building programs
Featured Projects

Complex work, delivered across Puerto Rico

View all projects
Regional Medical Center Chilled Water Replacement
HealthcareSan Juan, PR$4.2M

Regional Medical Center Chilled Water Replacement

Equipment Installed
2 × 600-ton centrifugal chillers · VFD primary pumps · BMS integration
Challenge
Zero disruption to operating rooms and 24/7 patient care during cutover.
Result
Phased cutover completed on schedule. 22% reduction in cooling energy use.
Pharmaceutical Cleanroom Process Cooling
ManufacturingPonce, PR$2.8M

Pharmaceutical Cleanroom Process Cooling

Equipment Installed
Precision AC · Low-temp process chillers · Redundant N+1 piping loop
Challenge
Class 8 tolerances during 24/7 production, tight commissioning window.
Result
Commissioned on time. 100% validation pass rate. Zero unplanned downtime.
Government Complex Mechanical & Electrical Retrofit
GovernmentCaguas, PR$6.5M

Government Complex Mechanical & Electrical Retrofit

Equipment Installed
AHUs · Switchgear · Standby generation · Building automation
Challenge
Coordinated shutdowns across occupied offices with strict schedule.
Result
Delivered on budget. Asset life extended 15+ years. 100% agency uptime.
Our Process

A predictable path from consultation to long-term uptime

01
Schedule Consultation

Speak with our engineering team about your facility and goals.

02
Site Assessment

Licensed engineers visit and audit existing systems on site.

03
Engineering Proposal

Detailed scope, drawings and transparent pricing within 48 hours.

04
Installation

Certified crews execute with dedicated project management.

05
Maintenance

Preventive programs keep systems reliable for the long term.

Our History

Three decades of building trust

1990

Company founded in Puerto Rico

1998

Expanded Mechanical Division

2005

Government projects portfolio launched

2012

Industrial Refrigeration Division

2020

Mission-critical hospital projects

2024

500+ Commercial Projects delivered

Certifications & Partners

Manufacturer certified. Industry accredited.

CARRIER
TRANE
YORK
LENNOX
DAIKIN
MITSUBISHI
ASHRAE
NFPA
OSHA
MCA
EPA 608
PR LIC.
Client Testimonials

What decision-makers say about working with us

Regional Medical Center

"A.C.R. completed our chilled water replacement without interrupting patient operations. Their planning and safety culture set them apart from every other contractor we've worked with."

MR
Maria Rivera
Operations Director
Pharmaceutical Manufacturer

"Their preventive maintenance program has kept our production lines cool for years. Responsive, technical, and dependable — we treat them as an extension of our team."

JC
José Colón
Plant Manager
Government Agency

"We rely on A.C.R. for our facility upgrades. They deliver on schedule and on budget, every time. Zero surprises, exactly what public projects demand."

AF
Ana Figueroa
Project Manager
Leadership

People buy from people

Carlos Méndez, PE
Carlos Méndez, PE
Founder & Chief Engineer
Sofía Reyes, PE
Sofía Reyes, PE
Director of Engineering
Luis Ortiz
Luis Ortiz
Senior Project Manager
Let's discuss your facility

Need HVAC, refrigeration, electrical or mechanical work?

Speak directly with our engineering team and receive a proposal tailored to your project. Detailed scope, transparent pricing, and a project manager assigned from day one.

48 hr
Proposal turnaround
24/7
Emergency dispatch
Zero
Contract defaults
500+
Projects delivered