Fast, Reliable Emergency & Commercial HVAC Across Tujunga
Stonegate Heating & Air California dispatches our Emergency & Commercial HVAC team to Tujunga with the parts, tools, and brand knowledge to fix systems in one trip — because when your detached workshop’s heater dies during a January freeze or your rooftop unit chokes on Santa Ana wind debris, you don’t have time for return visits. Call (855) 467-1888. We’ve worked the canyon roads, the hillside driveways, and the postwar ranch homes of Tujunga for 16 years, and we know the difference between flatland HVAC and what foothill properties actually need.
Why Stonegate Heating & Air California Is Tujunga’s Preferred Emergency & Commercial HVAC Company
Our 499 verified reviews at a 4.7-star average include plenty from Tujunga homeowners who found us after franchise companies either wouldn’t drive the canyon or sent techs unprepared for the realities of foothill HVAC. Jason Trent, our owner and active Field Supervisor, personally oversees jobs in Tujunga — he’s the one checking that outdoor units are wind-anchored properly and that return-air filters are spec’d for wildfire season, not just swapped on a schedule.
We carry factory-authorized parts and diagnostic equipment for Carrier, Trane, Lennox, Goodman, and five other major brands, which means Tujunga customers don’t lose a day waiting for a part that should have been on the truck. Our response to Tujunga runs through the 210 corridor and up into the canyon neighborhoods — we know which hillside streets narrow after dark and which properties need 4WD access after rain. That local routing knowledge translates to faster arrival times when your commercial system is down and your workspace is unusable.
16 years and nearly 500 reviews means we’ve seen Tujunga’s specific failure patterns: wall furnaces in 1950s bungalows that finally give out, mini-split linesets damaged by freeze-thaw cycles in exposed crawl spaces, and rooftop units on Foothill Boulevard commercial buildings clogged with ash during fire season. We don’t guess at foothill HVAC. We’ve fixed it hundreds of times.
Our Emergency & Commercial HVAC Services in Tujunga
24/7 Emergency HVAC
Tujunga’s canyon-foothill microclimate produces genuine hard-freeze winters that flatland San Fernando Valley cities rarely see. When your wall furnace fails at 11 PM on a 28-degree night in the hills above 1,600 feet, waiting until morning isn’t an option. Our emergency line at (855) 467-1888 connects you directly to dispatch, and we stock the high-limit switches, ignitor assemblies, and blower motors that fail most often in Tujunga’s older heating systems. We serviced a commercial HVAC emergency on a detached workshop on Foothill Boulevard where the Trane rooftop unit had seized due to Santa Ana wind debris. We replaced the outdoor condenser fan motor and upgraded the return filter to MERV-13 to handle wildfire smoke, all in one trip.

Commercial HVAC
Tujunga’s commercial base runs from auto shops and light industrial on Foothill Boulevard to professional offices and retail closer to the 210. Each building type carries different load profiles, and many sit on slopes that complicate outdoor unit placement and drainage. Jason Trent evaluates commercial jobs personally — he’s checking that your rooftop unit’s curb is wind-rated, that condensate lines won’t freeze in shaded north-facing installations, and that your system has enough heating capacity for those January mornings when Tujunga drops 15 degrees below Burbank. We size replacement systems using actual load calculations, not rule-of-thumb square footage estimates that fail in Tujunga’s wide annual temperature swing.

Rooftop Unit Service
Rooftop units are common on Tujunga’s low-rise commercial buildings, and they’re exposed to everything the canyon throws at them. Santa Ana winds funneled through Big Tujunga Canyon deliver sustained gusts that dislodge access panels, wrap debris around condenser fans, and strain mounting curbs. We inspect structural integrity, refrigerant charge, and economizer operation — that last one matters more in Tujunga than most places, because wildfire smoke events make “free cooling” through outside air a liability without proper filtration controls. Our techs carry replacement economizer dampers and upgraded filter racks on every commercial call.

Chiller Service
While less common than packaged rooftop units, chillers serve some of Tujunga’s larger commercial and light industrial facilities. Chiller maintenance demands specialized refrigerant handling and water treatment knowledge — we don’t subcontract this out. Our team handles leak detection, compressor analysis, and cooling tower maintenance in-house. For Tujunga properties with process cooling or server-room loads, chiller uptime is business-critical, and our emergency response includes after-hours refrigerant recovery and temporary cooling coordination when repairs can’t wait.

Annual Maintenance
Tujunga’s self-reliant homeowner culture sometimes works against itself — we’ve seen too many systems fail for lack of basic maintenance that would have caught a cracked heat exchanger or refrigerant leak months earlier. Our maintenance program is built for foothill realities: two visits yearly, with the fall visit focused on heating readiness before hard-freeze season and the spring visit checking condenser coils for wildfire ash residue and wind damage. Annual maintenance customers in Tujunga get priority scheduling and no overtime rates for emergency calls.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Tujunga
Whatever brand you have, we likely stock parts for it. Stonegate Heating & Air California is certified and experienced on nine leading HVAC brands — Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard — which eliminates the “we don’t service that brand” dead end that sends Tujunga customers scrambling for a second contractor. We maintain a parts inventory calibrated to what fails most often in our service area, and our trucks carry the common Trane contactors, Lennox ignitors, and Goodman blower motors that keep Tujunga’s older systems running. For commercial properties with mixed-brand environments or legacy equipment, our multi-brand fluency means one call, one invoice, one relationship.
Common Emergency & Commercial HVAC Problems We See in Tujunga Homes
- Detached workshop HVAC isolation. Tujunga’s acreage properties often have detached workshops with oversized doors and heavy-duty openers — when those spaces have independent heating and cooling, they get neglected until failure. We find dead wall furnaces, seized mini-split compressors, and ductwork chewed by rodents in outbuildings that owners forgot had their own systems.
- Freeze-thaw damage to exposed linesets. Longer service drives and exposed ductwork in rural Tujunga properties suffer from hard-freeze events that crack copper linesets and split condensate drains. The 1940s–1960s housing stock with low attics and cramped crawl spaces makes proper insulation retrofits difficult without tearing into finished spaces.
- Wildfire smoke infiltration through standard filtration. When the Bobcat Fire or other Angeles National Forest fires run, ash and fine particulate flood canyon communities before evacuation orders even go out. Technicians here routinely find return-air filters completely choked within days of a fire event. Homeowners who have upgraded to MERV-13 or better filtration call far less frequently for emergency service during fire season.
- Santa Ana wind debris damage. The canyon orientation channels wind events with sustained gusts that damage poorly anchored outdoor condenser units. We find bent fan blades, wrapped debris, and even units tipped off inadequate pads — damage that flatland HVAC contractors rarely encounter.
Pricing for Emergency & Commercial HVAC in Tujunga, CA
We don’t quote over the phone for complex commercial jobs, but we do publish our standard service ranges so Tujunga customers know what to expect before they call. These are real numbers for real work in the greater Sacramento market we serve, and they hold steady for Tujunga dispatch:
| Service | Typical Range |
|---|---|
| AC Repair | $150–$650 |
| Furnace Repair | $150–$700 |
| AC Installation | $3,500–$7,500 |
| Tune-Up | $80–$200 |
What moves a job toward the higher end? Tujunga-specific factors: hillside access requiring additional labor or equipment, retrofitting ductwork into 1960s homes with no original central system, and commercial rooftop work needing crane coordination or after-hours emergency rates. We discuss all of this before starting. Estimates are free, and Jason Trent reviews every commercial quote personally. Call (855) 467-1888 to schedule.
We Also Serve Cities Near Tujunga
Our Emergency & Commercial HVAC coverage extends throughout the foothill corridor surrounding Tujunga, including Sunland to the west, La Crescenta-Montrose to the east, Shadow Hills to the south, and Burbank for commercial properties with locations across the valley. Same owner-supervised service, same multi-brand parts inventory, same canyon and foothill expertise.
Serving Tujunga, CA — Our Local Coverage Area
We’re based in the Tujunga area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs — Emergency & Commercial HVAC in Tujunga
Yes. We stock parts for nine major brands and carry the heavy-duty tools needed for outbuilding systems, so most detached workshop HVAC repairs in Tujunga are completed in a single visit. Call (855) 467-1888 with your unit model number and we’ll confirm parts availability before dispatch.
During fire season, check monthly and replace when you see ash accumulation — typically every 2–4 weeks during active events. The rest of the year, standard 90-day intervals work for most Tujunga commercial systems. We recommend upgrading to MERV-13 minimum; the homeowners who made that switch after 2020’s Bobcat Fire season report dramatically fewer emergency calls during smoke events.
A ductless mini-split heat pump is usually the best fit for Tujunga’s postwar ranch homes and hillside bungalows. These systems provide heating and cooling without tearing into low attics or cramped crawl spaces, and modern cold-climate models handle Tujunga’s hard-freeze nights down to about 5°F. For homes with existing wall furnace penetrations, a high-efficiency wall furnace replacement is another option we evaluate case by case.
Yes. Our emergency line at (855) 467-1888 handles commercial calls 24/7, and we prioritize system-down situations that affect business operations or tenant occupancy. Jason Trent personally reviews after-hours commercial dispatches to ensure the right tech and parts are en route.
Big Tujunga Canyon channels Santa Ana winds directly through your property, delivering leaves, ash, and even small branches at velocities that overwhelm standard condenser guards. The fix is three-part: a wind-rated pad and anchor system, a debris-resistant coil guard designed for high-wind zones, and more frequent coil cleaning as part of your maintenance schedule. We’ve installed these upgrades on multiple Foothill Boulevard commercial properties after repeat wind damage.
Ready to get your Tujunga property’s HVAC handled by a team that knows foothill systems? Call Stonegate Heating & Air California at (855) 467-1888 for a free estimate. Jason Trent, our owner and Field Supervisor, will make sure your job gets the direct oversight that 16 years and nearly 500 reviews have built our reputation on.
Written by Jason Trent, Owner and Field Supervisor at Stonegate Heating & Air California, serving Tujunga and the greater Sacramento region since 2008.