The independent heating and cooling company across Washington
HVAC Repair in Mercer Island, WA — Local Techs, One Call
We handle heating and cooling work on Mercer Island homes, from a heat pump that will not defrost to a furnace that quits on the coldest morning of the year, and the fastest way to start is a phone call or the quote form. Most of the island runs on heat pumps, so a lot of HVAC repair in Mercer Island comes down to defrost boards, reversing valves, and outdoor coils packed with wet fir needles. Before you call, you can check the thermostat batteries, look for a tripped breaker, and swap a loaded filter. If that does not do it, tell us what the system is doing and we will come look.
Call (888) 365-6280- You reach a person, not a menu
- Open every day
- The quote comes first, in writing
Taking calls until 5:00 PM PT
What is your system doing in Mercer Island?
Find your service below, or skip it and describe the problem by phone.
One heating and air conditioning company for the whole system, from air conditioner repair to furnace replacement and seasonal maintenance.
AC Repair
Air conditioners blowing warm, short-cycling or refusing to start
Furnace Repair
Furnaces with no heat, short cycling or a locked-out control board
Heat Pump Repair
Heat pumps that will not heat, stick in defrost or run nonstop
AC Installation
New central air, replacements and ductless installations
Furnace Installation
New gas and electric furnaces, replacements and upgrades
Ductwork Repair
Leaking ducts, weak airflow and rooms that never get comfortable
HVAC Maintenance
Seasonal tune-ups for cooling and heating systems
Duct Cleaning
Air duct, vent and register cleaning
Thermostat Installation
Smart thermostats, replacements and zoning controls
Mini-Split Repair
Ductless mini-splits and multi-zone systems
Indoor Air Quality
Air purifiers, humidifiers, dehumidifiers and ventilation
HVAC repair in Mercer Island, the local picture
We handle heating repair, air conditioning repair and heat pump work for Mercer Island homes, and the fastest way to get on the schedule is to call or send us a message with what your system is doing. Mercer Island housing runs from mid-century split-levels and daylight basements to newer builds with ducted heat pumps, and each of those brings its own headaches. Older homes here often started life with electric baseboard or an oil-era furnace and picked up cooling later, so we spend a lot of time on undersized returns and ductwork that never got resized. Summers have gotten warm enough that a house without real cooling gets uncomfortable upstairs by mid-afternoon. Winters are wet more than deep-cold, which is what causes heat pumps to run long defrost cycles and pool water at the base of the outdoor unit. Smoke season also pushed filtration and IAQ into normal conversation, so ask us about it when we are out.
Much of the island filled in through the postwar decades and the 1960s and 70s, with ranches and split levels on wooded lots, plus waterfront rebuilds and newer large homes replacing older cottages. Older houses often have tight crawlspaces, undersized ducts and later additions, so zoning and honest load math matter more than raw equipment size.
I-90, Island Crest Way, East Mercer Way and West Mercer Way are the routes we cover from here.
Mercer Island ZIPs & nearby cities we cover
From Mercer Island we also cover Bellevue, Seattle, Newcastle, Renton, Kirkland, Issaquah and Redmond.
- 98039
- 98040
- 98052
- 98053
- 98055
- 98056
- 98057
- 98058
- 98059
- 98062
- 98073
- 98074
Where in Mercer Island we get called
- East Seattle
- First Hill
- Mercerdale
- Island Crest
- The Lakes
- Shorewood
- Faben Point
- Barnabie Point
- Groveland Beach
- North Mercer
Nearby cities we also cover
- heating and cooling in Bellevue
- heating and cooling in Seattle
- West Lake Sammamish
- Renton
- Kirkland
- Sammamish heating and cooling
- heating and cooling in Redmond
- City of Sammamish
How we compare to other HVAC companies in Mercer Island
| Willamette Heat & Cool | Big-box repair chains | Handyman listings | |
|---|---|---|---|
| Written quote before any work | ✓ | ✕ | ✕ |
| Live answer seven days a week | ✓ | ✕ | ✓ |
| All major brands, gas and electric | ✓ | ✓ | ✕ |
| No manufacturer targets to hit | ✓ | ✕ | ✓ |
| Crews familiar with homes like yours | ✓ | ✕ | ✓ |
What you get on every job
You approve a written quote first
Covering 162 cities across Oregon, Washington.Phones answered by people
Open 7 days, 8:00 AM to 5:00 PM PT.Every major brand, gas and electric
Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.HVAC repair in Mercer Island — quick answers
How soon can you get to a Mercer Island home?
Call us with your address and a short description of the problem and we will give you the next realistic window rather than a vague promise. No-heat and no-cooling calls get sorted ahead of maintenance visits, and because Mercer Island sits close to the I-90 corridor we can usually reach it the same day we are working in Bellevue or Seattle.
Do you work on the surrounding Eastside towns too?
Yes. A Mercer Island visit often pairs with work in Bellevue, Newcastle, Renton, Kirkland, Issaquah or Redmond, so if a neighbour or family member nearby needs air conditioner repair or furnace repair, mention it when you book and we will try to group the trips.
What does a repair visit cost?
We put the whole number in writing before touching the machine, so the invoice never surprises you.
Which brands do you service?
All the majors: Carrier, Trane, Lennox, Goodman, Rheem, York and the rest, gas or electric, independently of any manufacturer.
How it works
- Step 1
Tell us the symptom
Call or fill in the quote form. Describe the noise, the smell, the temperature, and when it started. That detail helps us bring the right parts and gives you an honest idea of the visit ahead.
- Step 2
We diagnose on site
A technician checks the thermostat, airflow, electrical connections, refrigerant behaviour and the outdoor unit. We tell you what failed and why, in plain language, before anyone reaches for a part or a price.
- Step 3
You choose the repair
We lay out the fix, any parts on order, and what happens if you wait. Once you agree, we do the work and confirm the system holds temperature before we pack up and leave.
- A real person answers
- Open 7 days
- Written quote before work starts
Why homeowners call us
- Heat pumps are our normalIn this region heat pumps outnumber furnaces, so defrost boards, reversing valves and short cycling in wet weather are everyday work for us. We know how these systems behave in a cold December rain, not just on a test bench.
- Wet winter defrost problemsIce on the outdoor coil, a unit that runs and runs without warming the house, puddles that refreeze under the pad. We trace whether it is a sensor, a stuck valve, drainage, or airflow, then fix the actual cause.
- Filtration after smoke seasonWildfire smoke turned indoor air quality into a real conversation here. We look at filter fit, return sizing and IAQ options that your blower can actually push air through, rather than choking the system with the wrong media.
- We explain before we chargeYou get the diagnosis, the options and the trade-offs before work starts. If a repair is not worth it on an old system, we say so. No pressure, no jargon dumped on you at the door.
- All major brands, gas & electricOne independent crew for Carrier, Trane, Lennox, Goodman, Rheem and more.
- Straight answersNot worth fixing? We say that out loud, and often it saves you the visit fee.
What we cover in Mercer Island
A failing system does not get cheaper by waiting
A part on its way out usually takes something more expensive with it. Getting started takes about a minute.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
Rather not call? Get a free quote →