IRBIS delivers the full range of commercial HVAC services San Jose businesses need, performed by a C-20 licensed contractor working with every major brand. Installation, maintenance, repair, and emergency response are scheduled around your operating hours.
.avif)
Gas Leak Detection & Repair in San Jose
Gas Line Installation
in San Jose
Gas Line Replacement
in San Jose
%20copy%202.avif)
One contractor for the full commercial HVAC lifecycle, from installation through emergency response. IRBIS runs commercial heating and cooling service on all major brands, C-20 licensed, 40+ trucks working in San Jose.
We install new RTU and VRF systems and replace old ones. Your building type and occupancy determine the size. IRBIS pulls the permit.
When a system quits, we come the same day. Our technicians read RTU and VRF faults on any major brand. You see the price first.
Preventive service is covered by a written service contract. A restaurant on 16-hour run time needs us more often than an office that idles all weekend.
Annual tune-ups that keep the Carrier equipment running efficiently and keep the manufacturer warranty in compliance.
%201.avif)
Authorized technicians deliver Carrier furnace repair services that meet manufacturer’s standards.
What causes it: Rooftop units sit in full sun year-round and pull dust straight through the condenser coil, so head pressure climbs until the compressor trips out on high limit.
What we do: We wash the coil, measure compressor amps against the nameplate rating, check capacitor microfarads, then weigh the refrigerant charge back to the manufacturer's spec.
What causes it: A VRF system throws a fault code when a branch controller, a sensor, or the refrigerant charge drifts out of range, and one bad zone can stall the whole loop.
What we do: We read the code at the controller, trace it to the actual failed component instead of swapping parts, then run every zone through a full cycle before signing off.
What causes it: Contactors pit, capacitors weaken, and building automation schedules get overridden and forgotten, so equipment either fails to start or runs hard against an empty floor.
What we do: We test the switching gear and control board under load, check the panel and breaker feed, then reset the run schedule to match how your tenants actually occupy the space.
What causes it: Static pressure climbs as filters load and duct runs leak, so the space never reaches setpoint and the equipment reports no fault at all while the complaints pile up.
What we do: We measure static pressure and temperature split, verify airflow at the diffusers, then fix the restriction rather than selling you a bigger unit to push past it.
From the first call to a restored system with paperwork in your file. Here is how a job runs with a commercial HVAC contractor that documents every step.
Step 1
Your dispatcher takes the call and sends a technician from our C-20 licensed crew out the same day. We text your site contact the window.
Step 2
Our technician pulls the fault codes first. Then the tech walks the full system, mechanical and electrical, and measures what your building actually demands.
Step 3
Your tech walks you through what he found, then writes down a flat price before he opens a toolbox. We never mark up parts.
Step 4
The tech runs the system backup before he packs out, then hands you a written report with photos and readings for the building file.
IRBIS handles HVAC for business properties of every type across San Jose and the wider Bay Area, from single storefronts to full campuses.
No need to take time off work or ask a family member to stay home
In most Silicon Valley offices we service, the server room generates more heat than the rest of the floor combined. A multi-zone HVAC system gives those racks their own cooling zone, so nobody has to sit in a 64-degree open space just to keep the hardware happy.
We size the cooling for your worst Saturday. Kitchen exhaust and makeup air have to clear the health code before you open.
Ceiling height drives the whole calculation here. We size for your busiest shift rather than the square footage on the lease.
Suite 200 gets service on Tuesday morning. Your other tenants never notice because we zone the building and phase the work around their schedules.
Server rooms can't take a cooling gap. We size redundant capacity for small and mid-size data centers so one unit going down doesn't take the whole room offline, and we keep parts on hand for a fast restore.
Picture a July afternoon, and your rooftop unit gives up at ten. The phone starts ringing at lunch. Inland San Jose sits at 90 to 105°F, so nobody on that floor gets anything done, and downtime turns out to cost more than the repair. Judge a commercial HVAC contractor on the gap: failure to restart.
Alert
Licensed C-20 Contractor
California licensed for commercial HVAC work, CSLB #1048009. Not a residential crew working outside its lane.
Carrier President's Award Winner
Carrier's top honor, on top of Factory Authorized status that fewer than 3% of dealers nationwide hold.
10-Year Parts Warranty Plus Labor Coverage
10-year manufacturer parts warranty, plus labor coverage up to 5 years. Most San Jose commercial contractors stop at 1 to 3 years.
Same-Day Response for Repairs and Emergencies
Call it in, get a technician the same day. 40+ trucks working the Bay Area.
All Major Brands Serviced
Carrier, Trane, Lennox, Daikin, Mitsubishi, York. One number for whatever sits on your roof.
Our technicians work on every major line of commercial heating and air conditioning equipment, regardless of what your building already runs or who installed it.
Downtown and North San Jose send us most of our commercial calls. Berryessa and Santana Row are close behind. Our trucks cover Santa Clara County every day, and Sunnyvale and Palo Alto are a short run up the 101.
Questions & Answers
Common questions from facility managers, property managers, and business owners weighing their options in San Jose. Call (669) COOLING if yours is not answered here, and dispatch will route it to the right technician.
Installation, repair, maintenance, and emergency response on RTU, VRF, and split systems. One C-20 licensed contractor covers commercial HVAC services from new equipment through the service contract.
Yes. IRBIS holds CSLB license #1048009 with C-20, C-36, and C-10 classifications, which cover HVAC, plumbing, and electrical work on commercial properties.
Yes, regularly. We work around your tenant schedules and keep the occupied suites running. Paperwork goes straight to whoever keeps the building file. Bring us your whole portfolio.
Carrier, Trane, Lennox, Rheem, Daikin, Mitsubishi, York, and Goodman. IRBIS is a Carrier Factory Authorized Dealer, and our technicians work on every other major commercial line, too.
Yes. Your service contract sets the visit schedule around run hours and building type. We would rather find the bad capacitor in April than hear about it in July.
Same-day dispatch on most calls, with 40+ trucks working the Bay Area. Our line takes emergency calls around the clock and routes you to the next available technician.
Yes. Our Project Management team pulls the permit and books the city inspection. They handle the Title 24 paperwork too. You never chase a form or meet an inspector.
Connect with Our Support Team – We're Always Happy to Help!
October 28, 2026
In the Bay Area, winter doesn’t arrive with snow. It arrives with rain. One week your yard is bone dry, and the next an atmospheric river drops several inches of water in a couple of days. For most homes, that sudden shift is the real test of the season.
October 1, 2026
Search for a cold weather plumbing checklist, and you will get the same list every time: insulate your pipes, disconnect the garden hose, let the faucets drip overnight. It is good advice, and it is written for Chicago.
September 3, 2026
A damaged sewer line used to mean one thing: heavy equipment tearing up the yard, driveway, or landscaping to get to the pipe. Trenchless repair changed that, but it's not automatically the right fit for every situation, and homeowners looking into sewer line services are often left wondering what the method actually involves, when it doesn't apply, and how the cost compares to a traditional dig.
View All
Follow Us On Social Media
BBB Accredited Business
%201.avif){kind=icon}
