Ductless mini-splits solve the additions, converted garages, and poorly-conditioned rooms that ducted systems in Fullerton weren't designed to reach. One outdoor unit, up to 8 indoor heads, zero ductwork.
Fullerton is home to roughly 140,721 residents across CA. We serve Amerige Heights, Sunny Hills, and Raymond Hills, plus surrounding neighborhoods for ductless mini-split. California Title 24 requires Home Energy Rating System (HERS) testing on qualifying AC installs — we handle the paperwork. Ask about current rebate programs from Southern California Edison (SCE), SoCalGas that can offset qualifying ductless mini-split work.
Each indoor head sized per zone load. Wall-mount vs ceiling-cassette vs floor-mount per space. Outdoor unit located for line-set routing + aesthetics.
Dedicated circuit to outdoor unit, line-set routed in lineset covers, condensate drained correctly. No visible conduit scars on the exterior.
Every head commissioned separately, refrigerant charge verified, WiFi control configured. 12-year manufacturer warranty registered.
Clogged condensate drain (level the head + clear with compressed air), or unit tilted wrong at install (should slope toward drain).
Communication wire fault between indoor and outdoor. We inspect the 4-conductor cable + terminal torque.
Dirty indoor coil, failed indoor fan motor, or refrigerant maldistribution on multi-zone systems.
We can re-pair a lost remote, add WiFi control (Cielo, Sensibo, Mysa), or retrofit a hard-wired thermostat.
Factory warranty requires professional install + online registration within 60 days. We register every install automatically.
“Ductless Mini-Split tech was experienced — walked us through the diagnostic, showed the actual readings, fixed it on the first trip. That's how it should be done.”
“Called three companies for ductless mini-split; this one actually answered on a Saturday in Fullerton. Arrived with the right tools, finished the job, cleaned up.”
“Quoted 3× higher by a chain for ductless mini-split. This team explained everything, did the work right, backed it with a real labor warranty.”
Additions, converted garages, home offices, and rooms that never get warm enough / cool enough despite ducts. Also whole-home when the existing ductwork is beyond repair.
Yes — cold-climate units (H2i, Hyper-Heat) maintain full capacity down to 5°F. For Fullerton winters that's plenty.
Single zone covers one room (up to ~500 sq ft per head). Whole-home requires 3-5 indoor units linked to one outdoor unit.
Three usual causes: poorly-designed ductwork, wrong blower speed, or a single thermostat trying to serve a multi-zone home. Duct repair is usually cheapest; zoning or ductless mini-split handles the complex cases.
If your system is over 10–15 years old, needs frequent repairs, or your energy bills keep rising, replacement may be more cost-effective than continuing to repair. {company} provides free estimates and can help you choose the most efficient system for your Fullerton home.
Average home leaks 20-30% of airflow through duct joints — confirmed by a Duct Blaster test. {company}'s $189 duct-leak diagnostic tells you exactly how much cooled/heated air you're losing to the attic before you invest in a new system.
Same service, nearby footprint
Call 714-555-3400 for same-day service or request a time online.
Call 714-555-3400