AC Repair in Portland, OR

Portland’s housing was built for rain, not for heat. Thousands of homes across the east side went up before central air was a normal thing to own, and plenty still have no ductwork at all. When a heat wave parks over the city, brick, pavement, and rooftops hold that warmth long after sunset, and older houses simply do not cool off overnight the way they once did.

AM/PM Heating & Cooling repairs air conditioners, heat pumps, air handlers, and ductless mini split systems for Portland homeowners and businesses. We are a family owned, locally operated company that would rather build a relationship than run a transaction, and every repair comes with our 100% satisfaction guarantee.

Our Services

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Why Homeowners in Portland, OR Trust Us

Ben came over for quick seasonal service for my furnace and AC units. From schedule to finish, it was done in 4 business days with a reasonable price. During the service, he was able to point out weaker refrigerant and capacitor that might need attention in next summer season. Thank you.

Ben was very thorough and explained the process patiently. It was a pleasure working with him. He pointed out an electrical switch near the a/c unit that had loose wires (not his job but he pointed it out anyways) and I appreciated his concern and I will fix it.

Ben was fantastic. He was a pleasure to talk to, he knew exactly what he was doing, and he took the time to explain everything to me. Next time I need service I will be calling and asking for him specifically

Repairing Cooling Systems in Older Portland Homes

Older homes reward technicians who slow down, so that is how we work. Before recommending anything we test refrigerant charge, electrical components, motor performance, condensate drainage, thermostat accuracy, and how much air is actually reaching each room. In houses where cooling was retrofitted into an existing structure, the real fault often lies in the installation rather than the equipment.

You will hear exactly what we found and what it costs before we begin. If your home has no ducts and you have been fighting one hot room for years, we can talk through ductless options without turning it into a sales pitch.

We also service thermostats, replace filters, repair ductwork, and install air purifiers and UV lights, which matter to a lot of Portland households during wildfire smoke season. Emergency repair is available.

Clues Your Air Conditioner Is in Trouble

These are the symptoms that usually mean a service call is due:

Air is not cold
Airflow dropping off
Banging, hissing, or grinding
Frequent on off cycling
Bills rising without explanation
Musty odor from vents
Water near the equipment
Iced refrigerant lines

None of these resolve on their own, and a quick diagnostic almost always costs less than an emergency replacement.

City Heat and Aging Equipment

The urban heat island effect is real here and it changes the math on cooling equipment. Dense pavement and closely spaced buildings hold heat through the night, so systems that used to catch a break after dark now run into the late evening. Equipment sized for a milder decade ends up running near capacity for days at a time, and parts that were already marginal fail under that load.

Age compounds it. A large share of the housing in neighborhoods like Hazelwood, Montavilla, and Lents dates to the mid twentieth century or earlier, with retrofitted ducts, undersized returns, and limited attic insulation. Restricted return air freezes coils, burns out blower motors, and makes a perfectly healthy system look broken.

Outdoor units on narrow lots face a different problem. When a condenser sits three feet from a fence or tucked under a deck, it recirculates its own hot exhaust and can never reach the pressures it was designed for. We find that setup constantly across the city.

A Hot Week in the Hazelwood Neighborhood

Dana in the Hazelwood neighborhood called during a stretch of triple digit afternoons. Her air conditioner was running around the clock and the house was stuck at 82 degrees.

Our technician found the condenser wedged into a narrow side yard with a fence panel almost touching it, plus a filter that had not been changed since spring. He cleaned the coil, replaced the filter, verified refrigerant pressures, and worked out a plan with Dana to open up clearance around the unit.

With airflow restored on both ends, the system finally got ahead of the heat. Dana called back a week later to say the house had been holding at 74 through the worst of it.

What You Get When You Call Us

Here is what you get when you call our team:

Family owned, locally operated
Licensed, bonded, and insured
Highly trained certified technicians
100% satisfaction guarantee
Authorized American Standard dealer
BBB accredited business
Experience with older homes
Ductless system expertise
Emergency service available

We would rather do the job right once than come back twice.

Frequently Asked Questions

My house has no ductwork. What are my cooling options?

Ductless mini splits are the usual answer. They cool individual rooms or zones without ducts and work well in older Portland homes where adding ductwork is impractical.

Why does my AC only struggle during heat waves?

Equipment is sized for typical conditions. During extreme heat, any restriction such as a dirty coil, tight clearance, or a weak capacitor becomes the difference between keeping up and falling behind.

How much clearance does my outdoor unit need?

Aim for a couple of feet of open space on every side and several feet of clearance above. Fences, decks, and shrubs pressed against the cabinet cause hot air to recirculate.

Can an air purifier help during wildfire smoke season?

Yes. Upgraded filtration and air purification equipment can noticeably reduce smoke particles indoors when the system is running.

Do you repair older systems with retrofitted ductwork?

Yes. We work on retrofitted and original duct systems regularly and can address undersized returns, leaky joints, and poor airflow.