8 AC Installation Contractors in Monroe, WA

4.5 avg rating
336 total reviews1 offer 24/7 service
Need emergency service? 4 HVAC providers in Monroe offer 24/7 availability

Top-Rated AC Installation Contractors in Monroe

#1

Monroe Fireplace, Inc.

4.3(132 reviews)

Five of five detailed reviews award 5 stars, with customers praising same-day response times, diagnosis accuracy, and repairs completed within the first…

19922 US-2, Monroe, WA 98272
Call
#2

Genesis Heating, Cooling & Refrigeration

4.8(72 reviews)
24/7

Four of seven detailed reviews specifically reference particular technicians, with multiple clients praising Sean for diagnostic accuracy and Mike for…

387 Butler Ave, Monroe, WA 98272
Call
#3

Hudy Plumbing & Heating, Inc.

4.8(31 reviews)

Six verified reviews award perfect 5-star ratings, with technicians Clayton and Isaac named directly in multiple commendations. One reviewer documents a…

17461 147th St SE, Monroe, WA 98272
Call

All AC Installation Contractors (8 total)

North Sound Boilers and Radiant

5.0(25)

Four distinct reviewers explicitly name David as the technician handling their work, with each awarding five…

19273 133rd St SE, Monroe, WA 98272
Call

EarthHeat Geothermal, Heat Pumps and Radiant flooring

4.6(22)

Positive reviews cite post-installation guidance (Andrew Lientz) and problem-solving on systems other…

21002 Ricci Rd, Monroe, WA 98272
Call

Gunderson Plumbing

3.8(27)

Five of eight reviewers award 5 stars, praising Tom's fairness, same-day responsiveness, and reasonable…

17700 147th St SE F, Monroe, WA 98272
Call

Johansen Mechanical Inc

4.0(19)

Four of eight reviewers assigned five-star ratings, with positive feedback emphasizing custom metal…

16372 177th Ave SE, Monroe, WA 98272
Call

Heating & Air Conditioning Monroe

5.0(8)

All nine published reviews award five stars, with several clients noting same-day technician arrival,…

117 N Blakeley St, Monroe, WA 98272
Call

AC Installation Costs in Monroe

New central AC installation costs in Monroe, by system type and brand.

ServiceLowAverageHigh
Window unit
$168$392$784
Ductless mini-split (single zone)
$2,240$5,040$8,960
Central AC replacement (existing ducts)
$3,920$7,280$13,440
Central AC new install (with ductwork)
$7,840$13,440$22,400
Carrier (residential)
$4,256$6,944$11,760
Trane (residential)
$5,600$9,856$15,232
Lennox (residential)
$3,920$7,280$13,440
Rheem (residential)
$3,584$6,160$10,080

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Installation in Monroe, WA: What to Expect

Monroe sits in the Seattle metro's shadow, where winters hover around 37 F and summers rarely crest 76 F, until recent heat waves pushed air conditioning from luxury to necessity. For decades, heating dominated local HVAC spend, but spikes in triple-digit regional temperatures have homeowners scrambling for AC Installation in Monroe services they largely ignored a generation ago. With eight contractors serving the area and an average rating near 4.5 compiled across hundreds of reviews, Monroe residents now navigate a market transformed almost overnight from heating-dependent to cooling-conscious.

Pricing reflects clear equipment tiers. Window units represent the most accessible entry point at $168 to $784 installed, while ductless mini-split systems targeting single zones run $2,240 to $8,960. Homeowners fortunate enough to have existing central air face replacement costs ranging from $3,920 to $13,440 depending on tonnage and compressor efficiency. Because Washington requires no statewide HVAC credential, individual city and county licensing determines contractor legitimacy, checking municipal standing before committing protects both budget and warranty coverage.

Customer feedback makes contractor distinctions tangible. At Hudy Plumbing & Heating, technicians Clayton and Isaac earn repeated five-star mentions for methodical installs and transparent communication. Genesis Heating, Cooling & Refrigeration draws particular praise for Sean's diagnostic skill and Mike's responsiveness during emergency calls. Monroe Fireplace, Inc. lands consistent recognition for same-day diagnostic accuracy and finishing repairs during the initial visit. These documented experiences give Monroe homeowners grounded reference points beyond advertising language.

Frequently Asked Questions

New AC installation in Monroe costs $168-$22,400 depending on system type. Window units run $150-$700, ductless mini-splits $2,000-$8,000 per zone, central AC replacement with existing ducts $3,500-$12,000, and full new installs with ductwork $7,000-$20,000. SEER rating, tonnage, and brand significantly affect pricing.