Fast, Reliable Air Quality & Ventilation Across Gresham
Whole-home ventilation and air quality systems in Gresham typically run $2,200-$7,500 installed, with ERV and HRV units at the higher end and standalone filtration or humidification at the lower. Most Gresham jobs we handle are completed in a single visit, and our Air Quality & Ventilation team carries the parts to finish without a return trip. We’ve been driving out to Gresham from our Portland roots for years, and we know the difference between a Portland job and a Gresham job - the Gorge winds, the 1970s ranch stock, the houses that were never built to breathe properly in the first place. Call (866) 561-3358 and a live person will answer, 24 hours a day.
Why Fireside Heating & Air Co. Is Gresham’s Preferred Air Quality & Ventilation Company
Fireside has served homeowners for over 8 years, and in that time we’ve learned that Gresham customers don’t want a sales pitch - they want straight talk about whether their house needs to breathe better. Our 90-Day Done Right Promise means if the humidity’s still wrong or the air still smells stale, we make it right. In writing. No paperwork, no arguing.
Phones are answered by a live person around the clock, every day of the year. That matters in Gresham, where a January Gorge outflow can freeze an HRV core overnight and you’ll notice the difference by morning. We answer at 2 a.m. because that’s when you need us.
Our technicians are background-checked, uniformed journeymen who put on shoe covers without being asked. They treat your home like their mother’s. Most jobs are completed in a single visit because we stock parts for the nine major brands we service, including Rheem, York, and Daikin systems common in Gresham’s 1970s-1990s housing stock.
We’re not the cheapest bid, and we don’t try to be. We’re the bid you never have to revisit.
Our Air Quality & Ventilation Services in Gresham
ERV & HRV System Installation
Gresham sits at the western mouth of the Columbia River Gorge, and those cold outflow winds routinely drive temperatures 10-15°F below Portland proper in winter. Standard HRV units rated for milder climates can freeze up when Gorge air hits sustained sub-freezing temps. We spec cold-climate ERV and HRV systems with defrost cycles built for this exact condition. A typical ERV/HRV installation in Gresham runs $3,500-$7,500, depending on whether we’re tying into existing ductwork or running new lines through a 1970s ranch with limited chase space.
We recently installed a Daikin ERV system in a 1978 ranch-style home on NW 9th Street in Gresham, where the owners had upgraded to a high-efficiency ducted heat pump but found the house was too tight - stale air and humidity spikes in winter. Our team tied the ERV into the existing ductwork, solving the ventilation issue without a major rewire, since the 240V circuits from old baseboard heaters were repurposed for the unit. The family now breathes fresh, filtered air year-round without losing heat through open windows.

Ventilation Installation for Workshops & Outbuildings
Gresham’s rural properties and acreage lots often have detached workshops with gas heaters, generators, or vehicle traffic - and no windows. Carbon monoxide builds fast in those conditions. We install mechanical ventilation with heat recovery for workshop spaces, sized to the cubic footage and the equipment inside. These aren’t bathroom fans. They’re steel-cabinet units with sealed motors, proper intake and exhaust separation, and sometimes CO interlocks. The 240V wiring common in Gresham’s older outbuildings often simplifies the electrical side.

Dehumidifier Installation
Split-level homes in Gresham’s 97030 and 97080 ZIP codes frequently have crawlspaces and below-grade family rooms that stay damp year-round. The 2021 heat dome pushed a lot of Gresham homeowners to seal their ducts and add heat pumps - which is smart for cooling, but tighter envelopes trap moisture. We’ve seen mold proliferation in lower levels where a portable dehumidifier can’t keep up. We install whole-house dehumidifiers tied to the HVAC system, with dedicated drainage so you’re not emptying a bucket. Typical install in Gresham: $2,200-$4,500.

UV Air Purifier & Air Filtration
Gresham’s pollen counts spike hard in spring with Gorge winds carrying mountain cedar and grass pollen straight into town. For homeowners with allergies or respiratory concerns, we install UV-C air purifiers and MERV-13+ filtration on existing forced-air systems. In homes without ductwork - common in the older blocks around historic downtown Gresham - we can spec ductless air handlers with built-in filtration. The price quoted is the price paid. Full stop.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Gresham
We’re trained to service nine major residential brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Gresham customers, that means we stock common parts locally and don’t wait three days for a coil or a control board. We see a lot of Rheem and York equipment in the 1980s split-levels around 97080, and Daikin mini-splits in the newer retrofits. When your ERV throws a fault code on a Saturday night, we can likely fix it Sunday morning because we’ve got the parts in the truck.
Common Air Quality & Ventilation Problems We See in Gresham Homes
- Workshop CO buildup. Gresham’s acreage properties often have oversized detached workshops with gas heaters or generators running in poorly ventilated spaces. We install mechanical exhaust and make-up air systems with proper interlocks to keep the air safe without letting the heat escape.
- ERV/HRV freeze-up from Gorge outflow. Cold, dense air pouring through the Columbia River Gorge overwhelms ventilation units not rated for sustained sub-freezing operation. We see this in Gresham homes where a Portland contractor spec’d standard equipment. We replace with cold-climate units that defrost properly.
- Post-retrofit stuffiness in 1970s ranches. After heat pump installs seal the leaky envelope, homes that once “breathed” through gaps now trap VOCs, cooking odors, and humidity. ERV retrofits solve this without reopening the envelope.
- Crawlspace mold in split-levels. The lower floors of Gresham’s split-level homes sit on crawlspaces that stay damp, especially near Johnson Creek drainage. Dehumidification alone won’t fix it if the ventilation strategy ignores the crawlspace air boundary.
Heating and Cooling in Gresham - Done Right, Every Time
Between the Coast Range mist and the Willamette Valley’s wet winters, Gresham homes work their furnaces hard for six months straight, then lean on aging AC through the August heat wave. Fireside Heating & Air Co. was named for the warmest word in the American memory, and we show up like it matters - because your house is where you plan to stay. Our journeymen handle the builder-grade equipment common to this metro’s tract housing, and we give you honest math on repair versus replace. we coordinate through our Portland Metro service area
The Keystone Standard applies here too: 90 days, in writing, no arguing. Same price on the bill as the price quoted. And if you’re facing your first no-heat night of the season, a person answers the phone. Portland Metro homeowners can also ask about our $89 seasonal tune-up - catching the failure before the freeze is the cheapest repair we know.
Heating and Cooling in Gresham
Portland-area winters bring the damp chill that settles into older homes, and the first real heat wave each summer tests every builder-grade condenser on the block. We know the failure patterns here, and we plan for them. Our journeymen handle coil and condenser care, honest repair-versus-replace math, and tune-ups that head off the breakdowns you don’t want at midnight.
We work by our K.E.Y.S. code: Krafted right, Every time, Your home first, and Standing behind it. That means shoe covers on without asking, and the price quoted is the price paid. we coordinate through our Portland Metro service area
Heating and Cooling in Gresham
Portland-area winters bring the damp chill that settles into older homes, and the first real heat wave each summer tests every builder-grade condenser on the block. We know the failure patterns here, and we plan for them. Our journeymen handle coil and condenser care, honest repair-versus-replace math, and tune-ups that head off the breakdowns you don’t want at midnight.
We work by our K.E.Y.S. code: Krafted right, Every time, Your home first, and Standing behind it. That means shoe covers on without asking, and the price quoted is the price paid. we coordinate through our Portland Metro service area
Pricing for Air Quality & Ventilation in Gresham, OR
Here’s what we charge for the work we do most often in Gresham. The price quoted is the price paid - no add-ons after the fact.
| Service | Typical Range in Gresham |
|---|---|
| ERV/HRV Installation | $3,500-$7,500 |
| Whole-House Dehumidifier Install | $2,200-$4,500 |
| UV Air Purifier (ducted system) | $800-$2,000 |
| Whole-House Humidifier Install | $600-$1,800 |
| Workshop/Outbuilding Ventilation | $1,500-$5,000 |
| Air Filtration Upgrade (MERV-13+) | $400-$1,200 |
What moves the number: existing ductwork condition, electrical panel capacity (though Gresham’s 240V baseboard circuits often help here), and whether we need to core through concrete block or foundation walls for intake/exhaust ports. Every estimate is free. Call (866) 561-3358 and we’ll come look at your specific situation.
We Also Serve Cities Near Gresham
Our service area extends to Gresham and the surrounding communities - Lents to the west, Camas across the river in Washington, Milwaukie to the southwest, and Portland proper. Each has its own housing stock and climate wrinkles, but Gresham’s Gorge exposure and 1970s electric-baseboard legacy make it unique in the metro area.
Serving Gresham, OR - Our Local Coverage Area
We’re based in the Gresham area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Air Quality & Ventilation in Gresham
You usually don’t. Those existing 240V circuits for baseboard heat are often exactly what a ductless mini-split needs, and the panel configurations in Gresham’s 1970s homes tend to have spare capacity we can repurpose. We check your specific panel during the free estimate, but most of these installs avoid the $1,500-$3,000 panel upgrade that newer gas-dominant suburbs require. Call (866) 561-3358 and we’ll verify your setup in person - estimates are free.
A heat-recovery ventilator (HRV) or energy-recovery ventilator (ERV) with a dedicated workshop unit is the right approach. We size it to your cubic footage and equipment load, and spec steel-cabinet models with sealed motors that can handle dust and fumes. The heat recovery core captures 60-80% of the warmth that would otherwise go out the exhaust. For Gresham’s Gorge-cold winters, we use cold-climate models with defrost. Call (866) 561-3358 for a free estimate on your shop.
Your house was designed to leak. 1970s Gresham homes relied on gaps around windows, doors, and framing for air exchange. Seal those gaps and you’ve got a tighter envelope with the same old ventilation - which is none. The solution is controlled mechanical ventilation, typically an ERV tied into your new ductwork. We see this constantly in Gresham’s ranch and split-level stock. Call (866) 561-3358 and we’ll assess whether an ERV retrofit solves your stuffiness without undoing your efficiency gains.
The heat pump cools and dehumidifies the upper living space, but your lower level - often over a crawlspace in Gresham’s split-levels - has its own moisture source. Tighter ducts upstairs mean less incidental dehumidification downstairs, and the crawlspace vapor barrier may be inadequate. We typically install a whole-house dehumidifier with dedicated drainage, sometimes paired with crawlspace ventilation. The 2021 heat dome exposed this pattern all over 97030 and 97080. Call (866) 561-3358 for a free assessment.
Yes. Any enclosed space with combustion equipment needs mechanical ventilation sized to the BTU input and the space volume. Carbon monoxide is odorless and heavier than air; it pools in low spots. We install sealed-combustion or power-vented make-up air systems for Gresham’s generator sheds and workshop buildings, with CO interlocks where code requires. The 97080 area has more acreage properties with this exact setup. Call (866) 561-3358 and we’ll spec it properly - estimates are free.
Ready to breathe easier in Gresham? Call Fireside Heating & Air Co. at (866) 561-3358 for your free estimate. A live person will answer, 24/7. We offer $50 off any repair over $250, a free second opinion on any written estimate, $89 seasonal tune-ups, and a permanent 5% discount for seniors and veterans. Every job is backed by our 90-Day Done Right Promise - in writing, no arguing, no paperwork.
Written by Glen Hartman, Owner at Fireside Heating & Air Co., serving homeowners since 2018.