Commercial rooftop HVAC units installation for air conditioning in St. Petersburg, FL.

Commercial HVAC Services in St. Petersburg, FL

Minimal Business Downtime
Same-Day Service Calls
Upfront Pricing, No Hidden Fees

Expert Commercial HVAC Solutions for Your Business

Keep your business comfortable with expert commercial HVAC services from M&R Air Conditioning LLC. Serving business owners and facility managers in St. Petersburg, Pinellas County, and the Tampa Bay area, we provide commercial HVAC repair, replacement, installation, and maintenance to keep properties comfortable, energy-efficient, and code-compliant across a variety of commercial applications.

Businesses trust our team because we deliver a solid commercial HVAC service offering you can count on, from rooftop unit and chiller service to split system repairs, quarterly maintenance agreements, new construction ductwork, and ongoing support. Our trained technicians assess your system, design the right solution for your building, and complete the work with honest pricing and dependable workmanship.

A large RUUD Commercial packaged rooftop unit (RTU) installed on a flat roof with a PVC condensate drain line.

Why Commercial HVAC Maintenance is Critical to Reduce Energy Costs for Your Business

Here’s why professional commercial HVAC service matters for your business:

System repairs

Consistent Occupant Comfort

Reliable climate control keeps employees focused and customers comfortable, directly impacting productivity and satisfaction.

Meters

Energy Efficiency and Cost Savings

Well-maintained HVAC equipment reduces energy consumption, lowering utility bills and improving long-term return on investment.

Meter rising to uneasy level

Extended Equipment Life

Regular maintenance helps prolong the lifespan of your HVAC systems, ensuring they continue to operate efficiently for years to come.

EPA certified technician using pressure manifold gauges to perform an AC refrigerant level check on an outdoor HVAC compressor.

Reduced Downtime

Preventative service minimizes unexpected breakdowns and costly repairs, keeping your business running smoothly without interruptions.

uneven temperature of home

Improved Indoor Air Quality

Clean filters, coils, and ductwork mean fresher air for everyone in your building; essential for health and productivity.

Enhanced Comfort

Code Compliance and Peace of Mind

Using ENERGY STAR-certified equipment and licensed contractors ensures your system meets local codes and operates safely.

When you work with M&R, you’re partnering with a dedicated team that treats your business like our own.
We’ll help you keep your commercial HVAC system performing at its best, season after season.

Our Commercial Heating and Cooling HVAC Services

Whether you’re dealing with aging HVAC ducts, restricted airflow, or rising energy costs, M&R provides the professional ductwork services your home needs.

Commercial HVAC rooftop unit being lifted and installed using a crane, ensuring efficient climate control for a business building.

Rooftop Unit Replacement and Repair

Rooftop units are vital for commercial cooling in the Pinellas County. We repair and replace these systems, addressing salt air corrosion and installing efficient variable-speed units.

Commercial HVAC rooftop units installed on a building's flat roof, providing reliable heating and cooling for a business property.

Chiller Service and Replacement

Rooftop units are vital for commercial cooling in the Pinellas County. We repair and replace these systems, addressing salt air corrosion and installing efficient variable-speed units.

Commercial HVAC system installation for businesses in St. Petersburg, FL by Mandr Air Conditioning.

Split System Repair and Replacement

Our split systems installation offer multi-zone comfort where rooftop units aren’t practical. We repair and replace these systems, including VRF and commercial heat pumps.

HVAC system installation in a residential garage, featuring a modern air handling unit with insulated ductwork for efficient cooling.

Quarterly Commercial HVAC Maintenance

Our quarterly maintenance includes inspections, coil cleaning, filter replacement, and drain checks. This helps prevent breakdowns and extend equipment life in Florida’s climate.

Carrier HVAC rooftop unit with ductwork and electrical connections on a commercial flat roof in St. Petersburg, FL.

New Construction Ductwork and Rooftop Unit Installs

We design and install ductwork and rooftop units for new commercial buildings. Proper sizing and modular design support energy efficiency and future expansion.

Why Choose M&R for Your Commercial HVAC Needs?

Family-Owned, Personal Service

We treat your business like family, delivering honest, straightforward service without hidden fees or surprises.

Honest, Transparent Pricing

Upfront quotes and clear communication ensure you know exactly what to expect, no guesswork or last-minute charges.

Swift, Reliable Service

We understand that HVAC issues can disrupt your operations. Our team responds promptly to repairs and installations to get your system back up and running quickly.

Commercial HVAC Expertise

Our HVAC technicians specialize in commercial systems, from rooftop units to chillers and split systems, bringing more than 20 years of combined hands-on experience.

Customized Solutions

We don’t believe in one-size-fits-all. Every business has unique needs, and we tailor our HVAC solutions to fit your property, budget, and energy goals.

Proven Reputation You Can Trust

Proudly serving Pinellas, Hillsborough, and surrounding counties, we’re known for dependable service that minimizes downtime and keeps your business comfortable.

Our Commercial HVAC Service Process

We’ve designed our HVAC installation process to be smooth, professional, and stress-free.
Here’s what to expect when you work with M&R:

STEP 01

Property Assessment

We start by evaluating your building’s size, layout, usage patterns, age, insulation quality, occupancy, and current HVAC performance, including spaces like restaurants with unique climate demands. This includes assessing cooling and heating loads, humidity challenges, and any existing system issues, as well as the different performance needs of properties such as schools. Understanding your property’s unique conditions ensures we recommend the right solutions.

STEP 01

STEP 02

Customized Solution Design

Based on our assessment, we work with you to design a tailored approach to meet your business needs and performance goals; whether that’s targeted repairs, a maintenance schedule, or a full system replacement. We consider your budget, energy efficiency goals, and long-term needs to recommend options that make sense for your property, including both commercial and residential settings when relevant.

STEP 02

STEP 03

Professional Installation or Repair

Our experienced technicians handle every project with care and precision. We follow best practices for installation, including proper anchoring, weatherproofing, and refrigerant charging. For repairs, we diagnose accurately and fix issues thoroughly, so you’re not calling us back for the same problem.

STEP 03

STEP 04

Ongoing Support & Maintenance

Your HVAC system needs consistent attention to perform at its best. Our maintenance agreements provide regular inspections and service, keeping your equipment efficient and reducing the risk and costs of unexpected breakdowns. We’re just a phone call away whenever you need support. We also provide helpful resources and practical tools to make maintenance schedules and service planning easier.

STEP 04

What Our St. Petersburg Neighbors Say

Frequently Asked Questions

Secure Reliable Commercial Comfort Today

Stop worrying about sudden equipment failures or rising energy bills. Let M&R Air Conditioning optimize your system so you can focus on running your business.