
Envelope sealing
AeroBarrier home sealing
Seal the whole shell from the inside: sealant builds and hardens in every gap, in as little as three to four hours.
AeroBarrier home sealing detailsResidential · Commercial · Industrial · 37+ years
Furnaces, heat pumps and central air for homes. Boilers, chillers, rooftop units and kitchen ventilation for businesses. AeroBarrier sealing for the whole shell. One crew from Yakima to Ellensburg and the Tri-Cities.
Inside one of our plant rooms
This is a hydronic heating wall our crew piped: one wall-hung boiler, a primary loop and four heating zones, each on its own pump. Point at a marker to see what the part does.

What the crew does
Residential, commercial and industrial. Every system is quoted in writing after someone has looked at it, and the trucks leave the shop stocked with parts. Every photo below is one of their own jobs.

Envelope sealing
Seal the whole shell from the inside: sealant builds and hardens in every gap, in as little as three to four hours.
AeroBarrier home sealing details
Installation
Furnaces, heat pumps, central AC, ductless mini-splits and geothermal, sized to the house or the floor plan.
HVAC installation details
Repair
Fully stocked trucks, same-day dispatch in Yakima and the Valley, weekends on call.
HVAC repair details
Hydronics and process cooling
Boiler installs and replacements, hydronic piping, and chillers that protect machinery and inventory.
Boilers and chillers details
Ductwork
Free on-site vent inspections, sealing and insulation, or new ducts when the old run is past 20 years.
Air ducts details
Ventilation
Kitchen ventilation and equipment for restaurants, campuses, hospitals, breweries and wineries.
Commercial kitchens detailsCommercial and industrial
Paul's AIR FX designs, installs and services the systems a business runs on, and keeps them going through apple harvest and the August heat.

One recent job, from the customer's own review
“We are very happy that we picked Paul's Air FX to replace our heat pump of 32+ years when it decided to go out the week it was over 100 degrees. They were quick to get us a quote, and were out the next day to replace our heat pump and heat exchanger. Tim, Brennan, Paul and their team were very easy to work with and got the job done fast and at a fair price. Amanda, in the office, applied for a Wattsmart incentive for us, and we got it! We appreciate everything they did and we highly recommend that you give them a call for all your HVAC needs.”
From customers quoted on their site
Maintenance contract
“Have maintenance contract on 24 rental properties for all heating and AC and gas appliances. They are extremely competent. Save me money by keeping maintenance up with change of seasons. Price competitive. HONEST. An A+ operation.”
Barry M
Restaurant exhaust
“Installed a dual exhaust fan system in my restaurant, the employees were professional and courteous. Thanks”
Ed H
Apartment complex
“We have called them in for many years of issues at our complex. They are the best! Professional, friendly, great prices and they have never done us wrong. Thanks everyone at AirFx!”
Sandra S.
Before you call
Mon-Fri 8:00 AM to 4:30 PM · weekends on call 24 hrs
A furnace that won't light, a boiler that shuts itself off, a house you want sealed before winter. Call, or send a short note and the office will call you back.
506 S 2nd Ave, Yakima, WA 98902 · Serving the Yakima Valley, Kittitas County and the Tri-Cities · towns we cover