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Commercial HVAC Services
Pittsburgh, PA
The Right Service, The First Time
10% Military Discount Available
Free Same-Day Estimates
24/7 Emergency Services
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Professional Commercial HVAC Services
When your commercial HVAC system fails—whether during peak business hours or on the hottest day of the year—you need a responsive, skilled team you can rely on. That’s exactly what ZC Willis Heating & Cooling has delivered for more than four decades. As a second‑generation, family‑owned company serving businesses throughout the South Hills of Pittsburgh, we’re committed to keeping your workplace comfortable, productive, and energy‑efficient every day of the year. HVAC issues can bring operations to a halt, which is why we provide 24/7 emergency service to restore your building’s climate control without delay.
Backed by EPA certification and our status as a Daikin elite dealer, we offer industry‑leading expertise for every commercial project—from minor repairs and routine tune‑ups to complex rooftop unit installations and full system replacements. Contact us today for dependable, professional commercial HVAC service your business can count on.
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Why Choose Us
10% Military Discount Available
Free Same-Day Estimates
24/7 Emergency Services
Honest & Transparent
Labor Warranties - We Stand Behind Our Work
Second Generation Locally Owned
Monthly & Quarterly HVAC Maintenance
Prevent costly breakdowns and keep your HVAC system running efficiently with our monthly and quarterly maintenance plans. Our technicians perform thorough inspections, cleanings, and performance checks to extend the life of your equipment and maximize energy savings year‑round.
Rooftop HVAC Unit Installation & Repair
Rooftop units demand specialized expertise, and our team has the skill to handle everything from new installations to complex repairs. We ensure your RTU operates safely, efficiently, and reliably—keeping your commercial space comfortable no matter the season.
Monthly & Quarterly HVAC Maintenance
Prevent costly breakdowns and keep your HVAC system running efficiently with our monthly and quarterly maintenance plans. Our technicians perform thorough inspections, cleanings, and performance checks to extend the life of your equipment and maximize energy savings year‑round.
Rooftop HVAC Unit Installation & Repair
Rooftop units demand specialized expertise, and our team has the skill to handle everything from new installations to complex repairs. We ensure your RTU operates safely, efficiently, and reliably—keeping your commercial space comfortable no matter the season.
Not valid with any other offers or promotions. Restrictions apply.
Must mention this coupon at the time of scheduling.
Not valid with any other offers or promotions. Restrictions apply.
Must mention this coupon at the time of scheduling.
Pittsburgh, PA Winter Relief Special
Stay warm this winter with our professional heating services. Local Pittsburgh, PA residents receive priority scheduling during peak seasons.
Not valid with any other offers or promotions. Restrictions apply.
Must mention this coupon at the time of scheduling.
Here's what our satisfied customers are saying...
At ZC Willis Heating & Cooling, we take pride in providing exceptional HVAC services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of ZC Willis Heating & Cooling and let others know what you think.
