We've been putting central air into Portland homes since 2008, and the single question that trips up most of the projects we take over from other shops is sizing. Too small, the unit runs flat-out and never catches up on a 97-degree July afternoon. Too big, it short-cycles every twelve minutes, humidity never drops, and the compressor dies young. Our crews do a Manual J load calculation on every job — your square footage, your insulation, your window exposure, your occupancy — before we ever talk equipment. That's the foundation of a good ac installation portland homeowners can actually rely on for two decades.
The Willamette Valley is cool and overcast for nine months, then it bakes. That narrow but intense cooling season changes how the efficiency math pencils out compared to, say, Arizona. A premium variable-capacity system pays back faster in Phoenix because it runs hard six months a year. Here, a well-sized mid-efficiency unit — typically 16–18 SEER2 — often gives you the best balance between upfront cost and operating savings given how short our peak season actually is.
Homes with heavy south-facing glass, multiple stories, or converted attics are a different story. We'll tell you plainly if the numbers tip toward a higher-efficiency variable-capacity compressor, and we'll show you the load calculation that explains why rather than just handing you a quote for the expensive option.
Before we write a number on paper, someone from our crew walks the house. We're checking your electrical panel capacity, your existing ductwork condition and sizing, where the outdoor condenser can sit without baking in afternoon sun or violating setback rules, and whether your attic or crawl space has any surprises. First-time central-air projects in older SE Portland craftsmans sometimes uncover knob-and-tube that needs addressing before we can pull a mechanical permit — better to know that upfront than on installation day.
We pull the required Oregon mechanical permit on your behalf, schedule the city inspection, and make sure your record is clean before we close the job. Our crews are licensed, bonded, and insured in Oregon, so both your home and your permit history are covered.
A new high-efficiency condenser bolted onto a duct system full of gaps and undersized trunk lines will never hit its rated SEER2. We see this more often than we'd like — a homeowner paid good money for a top-tier unit somewhere else, and it performs like a budget box because the duct work was never touched. During our assessment we evaluate duct condition, leakage, and sizing. If we find issues, we quote duct repairs as a separate line item so you can see exactly what it costs and decide whether to address it now or on a defined timeline. No bundling problems into the equipment price and hoping you don't notice.
For homes without any existing ductwork, we also evaluate ductless mini-split configurations. Not every house is a good candidate for a full ducted system, and we'll tell you that honestly if a mini-split is the cleaner fit for your layout and budget.
Most single-family residential installs wrap in one day. We bring the equipment, handle the refrigerant line set, make the electrical connections, set the thermostat, and pressure-test the system before we leave. Homes needing significant duct modifications or a panel upgrade may need a partial second day — if that's your situation, it'll be in your written estimate ahead of time, not a surprise mid-job phone call.
We don't charge overtime. A job that runs into a Friday evening doesn't generate extra line items. That's just how we operate. Check out our central ac install cost page for a sense of what typical projects run before we come out.
We run crews out of Portland, Milwaukie, and Happy Valley. The three-location setup isn't a marketing footnote — it means a shorter drive to most of the metro and a faster response window than a shop working from a single address. We cover Portland, Beaverton, Hillsboro, Tigard, Tualatin, Lake Oswego, Gresham, Oregon City, Clackamas, Milwaukie, and Happy Valley. Our air conditioning in Portland service area covers residential and light commercial work — small offices, retail spaces, light industrial.
We offer maintenance agreements with annual pre-season tune-ups, priority scheduling, and discounted diagnostic rates. If you ever do need AC repair in Portland, our service history on your system means the technician walking in already knows your equipment and how it was installed — no starting from scratch every time.
We also handle the heating side. If your home has a gas furnace and you need furnace repair in Portland down the road, you're already in our system. One point of contact for all of it. Our full range of HVAC services in Portland covers both systems, which matters when you're dealing with shoulder-season days where you need heat in the morning and cooling by afternoon.
How long does a typical residential install take? One day for most projects. Homes with duct work needs or panel work may require a partial second day — noted in your estimate.
Is a permit required in Portland? Yes. Oregon requires a mechanical permit for new HVAC installations. We handle it. Permit, inspection, sign-off — all included in the project scope.
What SEER2 rating makes sense for this climate? Most Portland-area homes do well in the 16–18 SEER2 range. High solar-gain or multi-story homes sometimes tip the math toward a variable-capacity system — our load calculation will surface that if it applies to yours.
Can you install central air where no ductwork exists? Yes, though the scope and cost differ considerably from a straight equipment swap. We'll quote a ducted option and a mini-split option side by side if it's a close call, so you have full information going into the decision. See our ac install detail page for more on the full process.