commercial HVAC
Most Phoenix commercial buildings rely on rooftop package units. Our crews handle everything from quick belt and motor swaps to full crane-lift RTU replacements.
Every rooftop units call from Total Heating & Cooling Mechanical comes with the same standards Phoenix homeowners and businesses have trusted us for.
We inspect your equipment, listen to your concerns, and explain exactly what's going on — no pressure, no guesswork.
You receive a flat-rate written estimate before any work begins. No surprise charges, ever.
Our licensed Phoenix technicians complete the work to manufacturer spec and leave your space cleaner than we found it.
Every repair and installation is backed by our written guarantee and ongoing local support.
Rooftop HVAC units are essential for maintaining comfortable temperatures in commercial buildings throughout Arizona’s extreme climate. With Phoenix experiencing intense summer heat for much of the year, rooftop units must operate efficiently and reliably to keep businesses comfortable, productive, and energy-efficient.
Ignoring rooftop unit issues can lead to poor cooling performance, rising energy costs, inconsistent airflow, and unexpected system failures that disrupt daily operations. Professional rooftop unit services from Total Heating & Cooling Mechanical help protect your investment, improve system efficiency, and keep your commercial HVAC equipment operating reliably during Arizona’s demanding weather conditions.
Rooftop HVAC systems often show warning signs before major breakdowns occur. Watch for these common indicators:
Weak Cooling or Airflow
Poor airflow or inconsistent temperatures may signal mechanical or airflow issues.
Higher Energy Bills
An inefficient rooftop unit often consumes more energy while delivering reduced performance.
Strange Noises
Grinding, rattling, or buzzing sounds can indicate worn or failing components.
Frequent System Cycling
If your rooftop unit constantly turns on and off, it may be under excessive stress.
Professional rooftop unit maintenance and repair help improve system performance and reliability.
Improved Energy Efficiency
Well-maintained rooftop units operate more efficiently and help lower utility costs.
Reduced Commercial Downtime
Fast service helps keep your business comfortable and operational.
Extended Equipment Lifespan
Routine maintenance helps prevent premature equipment failure.
Reliable Indoor Comfort
Maintain consistent temperatures for employees, customers, and tenants year-round.
Commercial HVAC repair in Phoenix, AZ. Fast response for restaurants, offices, retail and industrial. 24/7 emergency commercial service.
Phoenix commercial package unit HVAC service — gas/electric, heat pump and high-efficiency package units repaired and replaced.
Commercial ventilation system installation, repair and balancing in Phoenix, AZ. Code-compliant fresh air for restaurants and offices.
Commercial kitchen exhaust fans and make-up air systems in Phoenix, AZ. Code-compliant install, repair and balancing for restaurants.
Quarterly and biannual commercial HVAC maintenance in Phoenix, AZ. Lower bills, fewer breakdowns, priority response and detailed reporting.
Commercial HVAC controls, BMS integration and smart thermostat installation in Phoenix, AZ. Honeywell, Pelican, ecobee SmartBuildings.
Hard-to-find HVAC problems? Phoenix's diagnostic specialists use real instruments to find root causes — refrigerant, electrical, controls and airflow.
Have questions? We have answers.
Yes. We service Phoenix, Scottsdale, Tempe, Mesa, Chandler, Glendale, Peoria, Gilbert, Surprise and the entire Phoenix Metro area.
Absolutely. Total Heating & Cooling Mechanical is fully licensed by the Arizona ROC, bonded, and carries general liability and workers' comp insurance.
Yes. We offer flexible HVAC financing with approved credit so you can spread the cost of repairs or new equipment over manageable monthly payments.
Call our 24/7 Phoenix dispatch line or request a free quote — we usually respond within the hour.