Heating & cooling · Mercer Island, WA
Central Air Conditioning in Mercer Island, WA
Add or replace central AC systems.
Central Air Conditioning in Mercer Island, WA
Looking for central air conditioning in Mercer Island? Xion Build is a licensed, bonded, and insured heating & cooling contractor delivering standout results for Mercer Island homeowners — start to finish, under one roof. Add or replace central AC systems.
Mercer Island projects often involve sloped lots, shoreline rules, and mid-century homes that benefit from thoughtful structural and design planning.
You get a single point of contact, licensed and insured trades, and clear communication from the first sketch to the final walkthrough.
What's included in your central air conditioning
A typical central air conditioning in Mercer Island can involve equipment, commissioning, ductwork, venting — and we put the full scope in writing so you know exactly what's covered before work starts.
We write scope in plain terms: what we'll do, the materials, the sequence, and how any surprises are handled if something is uncovered.
How much does a central air conditioning cost in Mercer Island?
Most central air conditioning projects in Mercer Island fall between $5,100 – $15,500, depending on the size of the space, the finishes you choose, and the condition of what's already there.
Because every home is different, we don't quote final numbers sight unseen. After a free in-home consultation you get a detailed, itemized estimate tied to your actual heating & cooling project — so there are no surprises later.
Why Mercer Island homeowners choose Xion Build
Licensed, bonded, and insured in Washington — every project is built to meet or exceed code and backed by a written warranty.
Honest guidance on where to invest and where to save, so your budget goes toward what adds real, lasting value.
Meticulous job sites and clear daily communication, with respect for your home, your time, and your neighbors.
Our Mercer Island heating & cooling process
Each phase is inspected and documented, and we keep you updated so you always know what's happening and what's next.
Design and material selections come next, so finishes, fixtures, and pricing are locked in before demolition — no surprises mid-project.
We pull the permits, schedule every trade in the right order, and protect your home, landscaping, and daily routine throughout the build.
Frequently asked questions
What should we decide before starting a central air conditioning?
Your budget range, must-haves, timeline, and any finishes you already love. For heating & cooling work we also review access, existing conditions, and whether permits are required in Mercer Island.
How long does a central air conditioning take?
Timelines depend on scope and permitting. Once the plan is confirmed we give you a realistic schedule and keep you updated as the heating & cooling work progresses.
Do you offer free estimates for central air conditioning near Mercer Island?
Absolutely. We provide free, no-obligation in-home estimates throughout Mercer Island and the greater Eastside, with transparent, itemized pricing.
Do you handle permits and inspections?
Yes. We manage permit applications, schedule inspections, and coordinate any required engineering so the work passes cleanly in Mercer Island.
How much does a central air conditioning cost in Mercer Island?
Most central air conditioning projects in Mercer Island run $5,100 – $15,500, depending on scope, finishes, and existing conditions. After a free in-home consultation we provide a detailed written estimate so your Mercer Island price reflects the actual project — not a guess.
Related services in Mercer Island
Radiant heating systems
Hydronic radiant heat for floors and rooms.
View detailsHeat pump installation
High-efficiency heat pumps for heating and cooling.
View detailsDuctless mini-split install
Zoned ductless mini-splits for additions and retrofits.
View detailsFurnace replacement
Gas and electric furnace replacement.
View detailsWe also serve these areas