A new air conditioner is only as good as its installation. A/D designs and installs cooling systems across Los Angeles and Orange County that are sized to the home, commissioned to spec, and built to handle Valley summers for years — installed by licensed, insured technicians who sweat the details.
24/7 emergency service available · Mon–Fri 7:30a–5p · Sat 9a–4p
Satisfaction guaranteed
Emergency service, day or night
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An oversized air conditioner short-cycles, leaves the air clammy, and wears itself out early; an undersized one runs flat-out and never catches up on a 100-degree Valley day. That's why every installation starts with a real assessment — square footage, layout, insulation, window exposure — before we ever recommend equipment.
From there we handle the whole job: removing the old unit, setting the new condenser and coil, running refrigerant lines and electrical, dialing in the thermostat, and commissioning the system so it performs the way the spec sheet promises. And if an existing unit still has life in it, honest AC repair is sometimes the smarter first step — we'll tell you either way.
Two identical homes a mile apart can need different systems — orientation, shade, and ductwork change the load. We size to your house's reality, which is what actually determines comfort and running costs.
Systems we install
A properly matched system cools evenly, dehumidifies correctly, and avoids the early failures that plague slapped-in installs.
Modern high-efficiency equipment, installed and charged correctly, does more cooling with less electricity than the decades-old units it replaces.
Equipment, refrigerant lines, electrical, thermostat — our own licensed technicians handle it end to end, so nothing is lost between subcontractors.
Workmanship is backed by labor and material warranties and a satisfaction guarantee, on top of the manufacturer's equipment coverage.
Three steps from problem to fixed — most repairs handled the same day.
Call us or send the quick form. A real person helps you right away — no phone-tree runaround.
A licensed tech finds the issue and gives you a clear, upfront price before any work starts.
We fix it right — same day whenever possible — and leave your home clean and cool (or warm).
From the San Fernando Valley to the coast — find your nearest A/D team below.
Areas served
Areas served
Four decades of comfortable homes and businesses across LA and Orange County.
“Our air conditioner stopped working during a hot LA weekend. Their technician arrived quickly, diagnosed the issue fast, and had our cooling system running again the same day. Professional, honest, and very knowledgeable.”
Ari Roberts
Tarzana, CA · Emergency AC repair · 2026
“Their technician was punctual, friendly, and extremely experienced. They repaired our central air conditioning quickly and explained everything clearly before starting the work. It's refreshing to find an honest HVAC contractor in Los Angeles that truly cares about customer service.”
Oswald Bennett
Sherman Oaks, CA · Central AC repair · 2026
“The best AC repair service I've experienced in Los Angeles. Our air conditioner stopped working during a heat wave and their technician arrived fast, diagnosed the issue quickly, and had it running the same day. Honest pricing and excellent communication.”
Louis Campbell
Sherman Oaks, CA · AC repair · 2026
“They did an amazing job repairing our air conditioner. We called several HVAC companies in Los Angeles and they were by far the most professional and responsive. Their technician diagnosed the issue quickly and got our system running perfectly again.”
Istro Jean-Mikel
North Hollywood, CA · AC repair · 2026
“An excellent experience. Their technicians were professional, knowledgeable, and showed up on time. They quickly diagnosed the issue with my air conditioner and had it running perfectly the same day. What really stood out was their honesty and fair pricing.”
Michael Vincent
Los Angeles, CA · AC repair & service · 2026
Straight answers from the team that does the work. Something else on your mind?
Call (818) 780-8288A straightforward replacement of an existing central system is usually done in a single day. Jobs that add ductwork, relocate equipment, or upgrade electrical can run longer — we'll give you an exact timeline with your free estimate.
We look at the factors that actually drive cooling load in Southern California: square footage, ceiling height, insulation, window area and orientation, and whether you're in the hot San Fernando Valley or the milder coastal strip of Orange County. The result is a system matched to your house, not a rule-of-thumb guess.
Not always. The indoor coil and blower have to be compatible with the new condenser, so if your furnace is old or mismatched, replacing both at once often saves labor and avoids performance loss. If your existing equipment pairs fine, we'll say so.
If you're replacing a unit from the 2000s or earlier, usually yes — today's high-efficiency systems deliver the same cooling for meaningfully less energy, which matters over a long LA cooling season. We'll show you the efficiency ratings side by side so the trade-offs are clear.
HVAC emergencies don't wait for business hours — and neither do we. Call now for fast dispatch across LA & Orange County.
Get a free estimate today. Call us directly or send the form and we'll be in touch fast — same-day service available across LA & Orange County.
Call us 24/7(818) 780-8288