9 AC Replacement Contractors in Redmond, WA
Top-Rated AC Replacement Contractors in Redmond
Home Comfort Alliance - Redmond
“Of 1,877 reviews averaging 4.8 stars, the single detailed negative review specifically concerns warranty claim handling on a new construction Mitsubishi heat…”
1-800-Plumber +Air
“The company maintains a 4.8-star average rating across 180 reviews, with four of five detailed reviews awarding 5 stars and praising technician…”
All AC Replacement Contractors (9 total)
Sears Appliance Repair
“Of 7 detailed reviews, 4 praise specific technicians for punctuality, clear communication, and carrying…”
Action Small Appliance
“Four of five detailed reviewers award 5 stars, praising specific repairs including a KRUPS grinder motor…”
Ace Chimney Sweep
“All 8 posted reviews award 5 stars, with multiple reviewers specifically noting the technician's…”
Redmond Heating and Air Conditioning
“Four of five detailed reviews award five stars, praising duct installation quality and same-day service…”
One Hour Heating & Air Conditioning - Redmond
“The single review available awards 5 stars and recommends the contractor without reservations. The review…”
AC Replacement Costs in Redmond
Replacement costs for aging systems in Redmond. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
Central AC (3-ton, basic) | $6,160 | $8,960 | $12,320 |
Central AC (4-ton, mid-efficiency) | $8,400 | $11,760 | $15,680 |
Central AC (5-ton, high-efficiency) | $10,640 | $14,000 | $17,920 |
Full HVAC system (AC + furnace) | $12,981 | $15,042 | $15,792 |
Plus ductwork replacement If existing ducts are aged/leaking | $2,352 | $3,360 | $4,480 |
| Repair cost threshold | 50% rule: if repair > 50% of replacement, replace | ||
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Replacement in Redmond, WA: What to Expect
Redmond's climate has shifted in recent years. The Seattle metro area traditionally saw mild summers that rarely pushed past 76 F, but heat waves now drive rapid AC adoption across the region. Nine contractors serve AC Replacement in Redmond needs, and together they hold a 4.2-star average across more than 2,600 customer reviews, reflecting a market responding to newfound cooling demand. Historically heating-dominated, Redmond homeowners now invest in heat pump systems as versatile solutions for both temperature extremes.
Cost ranges for central AC replacement reflect system capacity and efficiency. A basic 3-ton unit runs $6,160 to $12,320, while mid-efficiency 4-ton systems cost $8,400 to $15,680. High-efficiency 5-ton units reach $10,640 to $17,920. Washington has no statewide HVAC license, so local licensing requirements apply and homeowners should verify their contractor's credentials before hiring.
Customer reviews reveal distinct service strengths. Home Comfort Alliance holds a 4.8-star average across nearly 1,880 reviews, though one detailed negative review flags warranty claim handling on a new construction Mitsubishi heat pump. 1-800-Plumber +Air also maintains a 4.8-star average, with four of five detailed reviews awarding full marks and citing technician professionalism and same-day response. Alexander's Heating & Air Conditioning mirrors that 4.8-star rating with 153 reviews showing no scores below four stars, and customers consistently praise project lead Dean for transparent, itemized pricing along with technicians Nick and Maxime for reliable workmanship.