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AprilAire APCO UV and whole-home dehumidifier installed at the air handler by Polley's Perfect Seasons in Plainfield, IN

Whole-Home Dehumidifier Installation in Plainfield, IN

Musty basement smell? Sticky upstairs even with the AC running? Indiana summers push indoor humidity past 60% - mold and dust-mite territory. A ducted whole-home dehumidifier locks the house at 45-50%. Call (317) 649-8749.

Indiana summers run 80-95% outdoor humidity for months at a time. Your AC was built to cool the air, not dry it - and in oversized systems (which most new Hendricks County homes have) the air leaves the coil cool but clammy. A whole-home dehumidifier tied into the return trunk pulls the entire house to 45-50% humidity independently of cooling - the fix for musty basements, sticky upstairs, and summer allergy flares.

AC coil before and after fixing whole-home humidity in a Plainfield, IN basement
Fix the humidity feeding the mold and your coil stays clean between visits.

Common problems

Signs you need a whole-home dehumidifier

Tap any sign to see what we typically find at the humidity source.

Musty basement smell drifting upstairs

Wet-cardboard or damp-dirt smell, worst in summer.

AC runs all the time but the house feels sticky

Cool, but clammy. Especially upstairs.

Dust mites and allergy flares all summer

Asthma worse from June through September.

Crawlspace or basement feels damp on the walls

Condensation on cool surfaces in summer.

Tap a problem for the fix

Why a portable in the basement isn't enough

A portable dehumidifier pulls moisture out of one room - and dumps the heat right back into that same room. A ducted whole-home unit ties into your return trunk so it dries the entire house, drains condensate to a floor drain or pump, and rejects its heat into the supply air where the AC handles it. Pairs naturally with UV at the coil (to kill what already grew) and a whole-home humidifier for winter - one balanced IAQ stack instead of three different boxes.

How it works

How a whole-home dehumidifier install goes

From the free assessment to your annual service visit.

  1. 1

    1. Free humidity assessment

    We read humidity in the basement, main floor, and upstairs - then identify the moisture source.

  2. 2

    2. Sized to your home

    70-90-130 pint whole-home units sized to square footage, basement type, and existing duct layout.

  3. 3

    3. Ducted install

    Tied into the return trunk so the dehumidifier dries the whole house, not just one room. Condensate drained to a floor drain or pump.

  4. 4

    4. Annual service

    Coil clean, filter swap, drain check at your spring AC tune-up. One visit, two systems serviced.

Tired of the sticky, musty summer?

Free humidity assessment. Flat-rate install. Dry, comfortable air all summer.

Whole-home dehumidifiers for Plainfield homes

Older homes in Mooresville, Clayton, and downtown Plainfield with crawlspaces and unfinished basements run 60-70% humidity all summer - perfect mold conditions. Newer Avon and Brownsburg builds with oversized AC systems cool the air without drying it, so 73°F still feels sticky. Both problems share one fix: a ducted dehumidifier sized to your home. Pairs with annual AC service and a duct cleaning for the cleanest, driest air in the neighborhood.

Service area

Whole-home dehumidifier installs across Hendricks County

Pick your town for what we typically find at the humidity source.

Ready to end the musty-basement summer? Call (317) 649-8749 for a free humidity assessment, or learn more about Plainfield's most trusted HVAC contractor.

Recent Work

Whole-Home Dehumidifier from real Plainfield homes

Recent jobs from Polley's Perfect Seasons across Hendricks County.

Mold on an AC coil cleared up after combined dehumidifier and UV install in Plainfield, IN
Mold After Humidity Fix
AprilAire APCO UV and dehumidifier system installed at the air handler in a Plainfield, IN home
AprilAire Integrated
Whole-home dehumidifier paired with media filter cabinet in Plainfield, IN
Dehumidifier + Filter

Reviews

What our Plainfield neighbors are saying

Google
5.0

Based on 169+ Plainfield reviews

D

Delbert Shelton

a year ago

"The technicians from Polley's (Tony) had identified the problem from a previous visit. They installed an Aprilaire Bypass Humidifier. They explained what they were doing and how the humidifier worked.…"

J

James Gearries

a day ago

"Tony was a super nice guy - the type of HVAC tech you hope shows up to your house. He gave me options for a new water heater and multiple positives/negatives of each option."

R

Ryan Jenkinson

2 days ago

"Had a great experience with Polley's Perfect Seasons. Tony came out to take a look at our AC system that wasn't running properly, and instead of jumping straight to a full replacement like another com…"

M

Marsha Warren

a week ago

"Great job (again) with Polley's! Zach, Jim & Sullivan did a great job for me. Was on time, always honest, friendly, worked me in on the day I requested. I'll always trust them with my HVAC needs."

D

David

a week ago

"Pleased with service."

P

Pat Birkemeier

2 weeks ago

"Tony is always professional, thorough and helpful."

M

Michael Kimberlin

2 weeks ago

"That Tony guy was awesome. Very friendly."

V

Vicky Price

2 weeks ago

"Tony did an excellent job!"

S

Scott Kizer

3 weeks ago

"As always, Zach and Jim did an outstanding job. I highly recommend them!! Tony is the best!"

Daikin Comfort Pro certified equipment lineup installed by Polley's Perfect Seasons in Plainfield, IN

Factory-Certified

Polley's Perfect Seasons is a Daikin Comfort Pro

We're one of the few Daikin Comfort Pro Certified dealers in the Indianapolis area - the top tier in Daikin's dealer program. That status is earned, not bought: factory training on every product line, NATE-certified technicians, ACCA membership, an A+ BBB record, and a continuous-improvement audit on installation quality. For you, it means longer warranties, exclusive rebates, and equipment installed exactly the way Daikin engineered it.

  • Up to 12-year parts warranty on qualifying Daikin systems - reserved for Comfort Pro dealers.
  • Instant rebates up to $1,100 on the Daikin Fit and other premium systems - no mail-in forms.
  • 0% financing for 18 months through Daikin's preferred lender, payments as low as $90/month.
  • Factory-trained on every product line - Fit, gas furnaces, heat pumps, communicating thermostats, and IAQ accessories.
Current Offers

Save when you book this season

Stack any of these with your service call - no coupons, no fine-print games.

Financing
01

0% Financing for 18 Months

No interest, no payments for 18 months on qualifying installs. New systems as low as $90/month.

Winter Comfort
02

$899 AprilAire Bypass Humidifier

Basic AprilAire bypass humidifier installation for compatible forced-air heating systems.

Heroes
03

10% Off for Community Heroes

Active or retired military, veterans, first responders, and educators save 10% on every service.

Local & Nearby

Serving Plainfield & all of Hendricks County

Our Plainfield headquarters covers a 25 miles radius - Avon, Brownsburg, Mooresville, Danville, and the Indianapolis west side. Our Clayton shop (20 miles radius) handles Stilesville, Belleville, Hazelwood, and Monrovia. Same crew, same warranty, same response time.

Plainfield HQ

564 Northfield Rd
Plainfield, IN 46168

Clayton Shop

4870 Iowa St
Clayton, IN 46118

PlainfieldClaytonAvonBrownsburgMooresvilleDanvilleStilesvilleBellevilleHazelwoodMonroviaIndianapolis West Side

Polley's Perfect Seasons on Google Maps · Plainfield, IN

Don't wait. Call now and we'll be on the way.

Real Plainfield technicians answering 24/7. Fast service most days, 12-year guarantee on every install. Call (317) 649-8749 now.