“Smart thermostat install plus fixing wiring another company botched. They even programmed it around our utility's peak hours. — Orange”
Same day air conditioning repair in Orange, furnace repair, heat pump service and 24/7 Emergency HVAC Services in Orange. Licensed, insured technicians. Affordable heating repair. Upfront flat-rate pricing. No overtime fees, ever.

When the air conditioning quits on the hottest afternoon of the year in Orange, you do not need a callback next week — you need a licensed technician at the curb today. Citywide Express HVAC provides same day AC repair in Orange, air conditioning repair, heating repair, furnace repair and complete HVAC service across California, with a live dispatcher answering (424) 550-7412 24 hours a day.
Whether your Orange property has a 20-year-old gas furnace and split system, a modern heat pump, a boiler, or ductless mini splits, our technicians are trained and EPA certified across all of it — including inverter-driven equipment most handyman operations will not touch.

Heat waves and cold snaps do not keep business hours. Our Orange emergency line is staffed by a live dispatcher 24/7 for emergency AC repair, 24 hour heating repair and same day HVAC repair. Households with infants, seniors or medical needs are prioritized during extreme weather. Call (424) 550-7412 and we will tell you honestly whether you need a truck tonight or a morning appointment.

We handle residential HVAC repair for single-family homes, condos, townhomes, apartments, mobile homes and rentals in Orange, plus light commercial rooftop units and split systems for offices, retail, restaurants and warehouses. Property managers and landlords can set up priority accounts with consolidated billing.
Besides Orange, our technicians cover Los Angeles, Modesto, Moreno Valley, Oakland, Oceanside, Ontario and surrounding neighborhoods across California.
Real feedback from homeowners and business owners we have kept comfortable.
“Smart thermostat install plus fixing wiring another company botched. They even programmed it around our utility's peak hours. — Orange”
“Added a mini split to our converted garage. Clean install, tidy line set, and they pulled the permit without me having to ask. — Orange”
“Furnace was short cycling every few minutes. Turned out to be an airflow problem nobody else caught. Fixed for a fraction of the replacement I was quoted elsewhere. — Orange”
Talk to a live dispatcher now and get a licensed technician on the way — often the same day. Upfront flat-rate pricing before any work begins. No overtime charges nights, weekends or holidays.
☎ (424) 550-7412AC not cooling, blowing warm air, leaking water, tripping the breaker or making noise? We diagnose and repair every brand of central air, heat pump and mini split.
Repair bills stacking up? We size, quote and install high-efficiency systems with real load calculations and airflow testing — not guesswork.
No heat, cold air at the vents, a furnace that won't ignite, or a system that short cycles — we repair gas furnaces, electric heat, boilers, heat pumps and wall units.
Every gas and electric furnace brand serviced, with combustion and carbon monoxide safety testing included on every visit.
A properly installed furnace is quieter, safer and cheaper to run. We handle sizing, venting, ductwork, gas lines and permits.
Heat pumps run year-round, so they fail more often. We repair reversing valves, defrost boards, charge problems and auxiliary heat faults.
Heat waves and cold snaps don't keep business hours. Our dispatch line is staffed 24 hours a day, 7 days a week, holidays included.
Most emergency breakdowns we see were preventable. A 21-point seasonal tune-up keeps capacity high and utility bills low.
Ductless systems deliver room-by-room comfort with no duct losses — perfect for older homes, additions, garages and apartments.
A miswired thermostat can look exactly like a dead AC or furnace. We install, wire and program smart thermostats correctly the first time.
Leaky, dirty ducts waste up to 30% of the air you paid to heat and cool. Cleaning, sealing and filtration upgrades fix comfort problems fast.
Downtime costs money. We service rooftop package units, split systems and light commercial equipment on your schedule, including after hours.
If you searched any of these, you are in the right place — call (424) 550-7412.