Reliable Commercial Heating & Cooling for Every Houston Business
When a commercial HVAC system fails in a Houston summer, it impacts productivity, customers, and operations. Upfront AC has been the go-to commercial contractor in Tomball for 10+ years β same-day response, accurate diagnosis, work done right.
Heavy-Duty Rooftop & Package HVAC Solutions with Priority Dispatch
Rooftop units (RTUs), VAV multi-zone systems, kitchen makeup air units, and commercial cooling contracts. Servicing office buildings, restaurants, retail centers, and industrial facilities across Tomball & Houston.

What commercial HVAC service covers β and why it's different
Commercial buildings run 5 to 50+ ton systems with multi-zone controls, complex air handlers, and economizer dampers. Diagnosing a failure requires understanding component interaction, not just inspecting one condenser.
Texas commercial buildings have specific requirements around ventilation rates, energy efficiency, and kitchen exhaust/makeup air. Our work is executed to exact TDLR & municipal code standards.
Commercial spaces cannot afford full-day work disruptions. We schedule intensive service off-hours and coordinate with facility managers to keep your business operating seamlessly.
Rooftop units in direct sun on flat commercial roofs face extreme thermal stress along SH 249, FM 2920, and US 290. We build custom maintenance strategies around these heavy solar heat loads.
Commercial HVAC services we provide
Commercial HVAC Repair
Same-day response, systematic diagnosis, and accurate repair on compressors, refrigerant leaks, electrical, and controls.
Rooftop Unit (RTU) Service
Packaged RTU repair and replacement, economizer calibration, condenser cleaning, and refrigerant verification.
Preventive Maintenance Contracts
Quarterly or monthly visits built around your equipment, occupancy schedule, and operational requirements.
Commercial AC Not Cooling
Systematic diagnosis of cooling failures in office buildings, retail spaces, and restaurants β root cause, not guesswork.
Electrical & Controls
Contactors, capacitors, control boards, VFDs, thermostats, and building automation interface repair.
Refrigerant & Coil Work
EPA-compliant leak detection, recharge (R-410A and legacy R-22), and condenser/evaporator coil cleaning.
Air Handler & Blower Repair
Restoring proper airflow across commercial duct networks β blower motors, belts, and balancing.
Restaurant & Food Service HVAC
Makeup air units, kitchen exhaust fans, and front-of-house vs back-of-house ventilation coordination.
Retail & Shopping Centers
Variable occupancy loads, display heat gain, and consistent comfort to support customer dwell time.
Warehouses & Light Industrial
Systems sized and zoned for high ceilings, cycling dock doors, and equipment heat loads.
Emergency HVAC for Businesses
Priority dispatch when a complete system failure threatens operations or occupant safety.
Permits & Compliance
Harris, Montgomery, and Fort Bend County permit compliance β TDLR licensed, EPA 608 certified.
Specialized HVAC service by industry
Office Buildings
Multi-floor zoning, VAV box repairs, and building automation calibration. Keeping tenants comfortable with zero work disruption.
Restaurant & Food Service
Kitchen exhaust fans, makeup air units, grease-laden air systems, and dining room comfort cooling.
Retail & Shopping Centers
High foot traffic, large open floor plans, constant door cycling, and display lighting heat gain.
Warehouses & Light Industrial
High roof lines, dock doors that cycle constantly, and equipment-generated internal heat loads.
What sets Upfront AC apart from other commercial contractors
10+ Years Commercial Experience
Specializing in commercial HVAC systems across Tomball, Cypress, and Houston β not residential work with a commercial label.
True Diagnostic Process
We run systematic diagnostics to identify root causes so you pay for what is actually broken.
Transparent Service Agreements
Straightforward commercial contracts with documented visit frequency and zero hidden add-ons.
Facility Manager Friendly
Documented reports after every visit, working within your building schedule and compliance requirements.
Licensed, Certified & Insured
Texas TDLR Licensed, EPA 608 Certified, General Liability, Workers' Comp, and County permit compliance.
No Call-Center Operation
Direct access to experienced commercial HVAC professionals who understand your building systems.
What to expect when you call Upfront AC
Initial Contact & Triage
We ask the right questions upfront: building type, system tonnage, and urgency to dispatch the right equipment.
Scheduled Dispatch
Specific arrival windows for standard calls and priority dispatch for active commercial emergencies.
On-Site Diagnostic
Complete system check across electrical, refrigerant, mechanical, and building automation controls.
Upfront Repair Quote
Clear price before any repair work begins with no surprise add-ons.
Execution to Code
Work performed to ASHRAE and TDLR standards with attention to building occupancy constraints.
Full Documentation
Detailed written service reports provided for property management and landlord records.
Two-Story Office Building in Tomball, TX β Late August Call
The Problem
Second floor running hot for three weeks. Previous HVAC company cleared the call without finding root cause. Tenants complained continuously.
The Solution
Technician found failed economizer damper stuck open pulling 98Β°F raw outside air past cooling coil + heavy dirty condenser coil. Repaired damper actuator and deep cleaned condenser.
The Result
Second-floor temp normalized within one cycle. Zero tenant complaints over following two months. Property manager signed quarterly maintenance contract.
Commercial HVAC service areas β Tomball, Cypress, Houston & Surrounding Cities
Concentrated coverage along the SH 249, US 290, and Grand Parkway business corridors.
Tomball, TX (77375, 77377)
Commercial properties along FM 2920, SH 249, and Grand Parkway business corridors.
Cypress, TX (77433, 77429)
Retail centers, office parks, and restaurants throughout Cy-Fair and the 290 corridor.
Houston, TX
North Houston, West Houston, Energy Corridor, and commercial districts across Harris County.
Katy, TX
Fast-growing retail and office along the I-10 corridor and Grand Parkway.
The Woodlands, TX
Office parks, retail, medical facilities, and restaurants in Montgomery County.
Spring, TX (77373, 77379)
Established commercial properties and newer development along I-45 and FM 1960.
Magnolia, TX
Commercial properties in western Montgomery County.
Sugar Land, TX
Southwest Houston suburbs β residential and commercial.
Greater Houston Metro
Same-day commercial HVAC service across the metro.
Answers to common commercial HVAC questions
Keep your business cool & operational
Same-day response on most calls, emergency dispatch for urgent situations, and maintenance contracts with transparent itemized pricing.
