Commercial HVAC Service for Houston Businesses
Commercial HVAC service is the inspection, repair, maintenance, and replacement of the heating and cooling equipment that conditions a business property, most often rooftop packaged units serving offices, retail suites, and clinics. At Bellaire Air Conditioning, we are a licensed and insured Texas air conditioning and refrigeration contractor, family owned in Houston since 1968, and we service commercial comfort systems throughout the Houston area.
A commercial system is not a larger version of a home system. It runs on an occupancy schedule rather than a wall thermostat, and it brings in outside air the equipment then has to cool and dehumidify. Houston adds a cooling season running roughly May through October and a latent load high enough that an oversized unit can cool a space and still leave it damp.
Contact us online to schedule service for your business.
Signs Your Commercial HVAC System Needs Service
Commercial units rarely fail without warning. Signals worth acting on before the equipment stops:
- Air from the ceiling diffusers feels warm while the controls hold a setpoint
- Water stains appear on ceiling tiles underneath a rooftop unit
- The unit starts and stops instead of completing a full cycle, which is short cycling
- The space feels cool but clammy, which points to a latent load the equipment is not removing
How We Handle Commercial HVAC Service
Our diagnostic sequence is the same on a service call and a maintenance visit, because a repair built on a guess comes back.
We confirm the complaint at the space
We verify the complaint where the occupants are, get the occupancy schedule, and check the controls, including any building automation schedule holding a unit off while the space is in use. A share of commercial no-cooling calls resolve at the schedule, not at the equipment.
We inspect the unit itself
At the unit we check filter fit, the economizer damper and linkage, belt and blower wheel condition, coil condition, the condensate pan and both drains, and the disconnect and contactors. A stuck-open economizer damper is a common Houston finding, because it pulls humid outside air across a coil that then has to dehumidify all of it.
We measure instead of estimating
We take a temperature split across the coil, static pressure across the filter rack and coil, superheat and subcooling against the manufacturer’s charge chart, and amp draw on the compressor and fan motors. Those numbers separate a refrigerant problem from an airflow problem, which decides whether the fix is a charge correction or duct work.
What Affects the Scope of a Commercial HVAC Job
Commercial pricing varies more than residential because the variables are wider:
- Number of units and the capacity of each
- Roof access, and whether a crane or lift is needed to set equipment
- Condition of the existing ductwork and the static pressure it imposes
- Curb dimensions and electrical compatibility, which decide whether a replacement is a like-for-like swap or a retrofit
Repair or Replace a Commercial System
The decision is rarely about age alone. We weigh these points together:
- Equipment age against its expected service life in this climate
- The refrigerant it uses, since R-22 is no longer produced in the United States
- Whether the failure is a compressor or a component such as a contactor, capacitor, or motor
- Whether the same unit has failed more than once in a single cooling season
- Whether a commercial load calculation, following ACCA Manual N, shows the unit was ever matched to the space
Permits and Inspections for Commercial HVAC Work in Houston
Commercial mechanical work inside Houston city limits is governed by the Houston Construction Code, which sets minimum standards for the construction, alteration, maintenance, and repair of buildings in the city. The currently adopted edition is the 2021 Houston Construction Code, approved by City Council on October 25, 2023 and effective January 1, 2024. It carries a mechanical chapter, and the city amends the model code it adopts.
That amendment layer is what catches contractors out. A scope written against an unamended model code, or a superseded edition, can pass a paper review and then fail inspection on a Houston specific amendment. We work to the edition the city has adopted.
Ask any commercial HVAC contractor bidding your job which code edition they are working to, and who pulls the permit. On legitimate commercial work the answer is specific, and it matches what the inspector expects.
Why Houston Businesses Choose Bellaire Air Conditioning
- Houston since 1968. We are family owned and work from a single Houston office, so you tend to see the same technicians year to year
- Licensed and insured. We hold a Texas air conditioning and refrigeration contractor license and carry insurance on commercial work
- Technicians on both sides of the business. Our certified technicians work on commercial and residential systems, so the humidity knowledge carries across
- Scheduled around your operations. We plan commercial work around your hours where the scope allows, and maintenance agreements are available on commercial equipment
What Our Customers Say
Tiffany Nambiar, a business owner in West University Place, called us when the air conditioning at their business quit. The failure turned out to be the blower rather than the whole unit, so the job came down to sourcing the right part fast, with the owner unable to be on-site while the work happened.
“Our business A/C stopped working in West University. I was able to get a same day appointment. It turned out that the blower went bad and we needed a replacement. Paul, our HVAC wizard was able to find the part and install it next day within 24 hours. His communication throughout the process was amazing since I could not be onsite.”
Same-day diagnosis and next-day parts is what we aim for on commercial calls, because a business without cooling in a Houston summer loses more than comfort. Read more customer reviews from our Houston service area.
Where We Provide Commercial HVAC Service
We provide commercial HVAC service across Houston and the surrounding communities, including Bellaire, West University Place, Sugar Land, Katy, Stafford, and the Texas Medical Center area. Our commercial work draws on the same capabilities as the rest of our business: air conditioning service, heating service, and custom ductwork design.
Schedule Commercial HVAC Service in Houston
Your building does not run on a residential schedule and your HVAC contractor should not either. We at Bellaire Air Conditioning have kept Houston businesses and homes comfortable since 1968, and we would rather look at your system before the next heat wave does. Get in touch through our online form and we will work around your hours.
Commercial HVAC Service FAQs
What does commercial HVAC service include?
Commercial HVAC service covers scheduled maintenance, diagnostic service calls, repairs, and full equipment replacement on the heating and cooling systems that condition a business property. A maintenance visit typically includes filter replacement, coil and drain cleaning, belt and blower inspection, electrical checks, and performance measurements. A service call starts from a specific complaint and works back to the cause, while replacement covers removing the old equipment and commissioning the new.
Does commercial HVAC work in Houston require a permit?
Commercial mechanical work inside Houston city limits falls under the Houston Construction Code, and permit and inspection requirements are set by the city rather than by the contractor. Whether a specific job needs one depends on the scope: a filter change does not, and equipment replacement generally does. Confirming the requirement before work starts is safer than discovering it afterward, so we identify it as part of the proposal.
How often should a commercial HVAC system be serviced in Houston?
Houston runs a cooling season of roughly 6 months, which puts far more hours on commercial equipment than a milder climate does. Most commercial rooftop units here are best served at least twice a year, before the cooling season and before the heating season. Restaurants, medical suites, and buildings near construction usually need shorter filter intervals than a low-traffic office.
Can you work around our business hours?
Yes, where the scope allows it. Commercial work is often better done before opening or after closing, because that avoids disrupting customers and staff. Scheduling outside standard hours can affect the cost, so we set that expectation in the proposal.
How do I confirm a commercial HVAC contractor is licensed in Texas?
Air conditioning and refrigeration contractors in Texas are licensed by the Texas Department of Licensing and Regulation, and the license record is public. You can look up any contractor by license number or company name through the department’s license search and confirm the license is active. The record also shows the classification and endorsement, which together define the type and size of equipment that contractor may work on.