Our focus is exclusively commercial. Pinnacle Rock Certified Technicians are trained to find the real underlying problem and then fix it, preventing expensive callbacks. HVAC Refrigeration Restaurant Services Increase profitability with our comprehensive preventative maintenance plans. Sign up for a Preventative Maintenace Plan Now! Contact us for your complimentary consultation. ContactWhatever mechanical systems your commercial facility uses, we will keep them working efficiently and trouble-free so that you can focus on your business.