Leading AC Installation and Replacement Service in King County, WA
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AC Installation & Replacement in King County
Alpha HVAC & Electric provides professional AC installation and air conditioning replacement in Seattle, Kirkland, Bellevue, and throughout King County. If your system is inefficient, unreliable, or no longer cooling properly, our licensed and NATE-certified technicians deliver energy-efficient, high-SEER solutions designed for the Pacific Northwest climate.
We perform accurate load calculations, proper system sizing, sealed ductwork checks, and manufacturer-spec installation to ensure long-term performance and lower energy costs. Whether you need central air conditioning or a ductless mini-split system, we install cooling systems built for durability and efficiency.
Not sure whether to repair or replace your AC? We provide honest evaluations and transparent pricing so you can make the best decision for your home. Competitive estimates. Professional installation. Guaranteed results.
Why Choose Our Seattle AC Installation Company
We pride ourselves on a seamless installation experience, ensuring your new cooling system is calibrated for the specific square footage and layout of your Seattle home.

We are a team of certified technicians with years of experience in AC installation services working throughout the Puget Sound. Our experts provide our customers with top-quality air conditioning installation and replacement.

We’ll give you detailed information on cost and installation options before the work begins. Book a free consultation and estimate, and we’ll recommend the best solution for your budget.

It doesn’t really matter whether you need an air conditioner upgrade, replacement, or initial installation. We approach each project individually, serving Seattle, Bellevue, Renton, and beyond.
Our unbeatable prices only tell part of the story. See what else makes us the Puget Sound's top HVAC contractor.
We install the best HVAC brands
Signs You Might Need AC Replacement
Inefficiency and High Energy Bills
Is the air conditioner already working at its limit? Higher energy bills are a clear indicator that the system needs an air conditioner upgrade or replacement.
Unstable Cooling and Frequent Breakdowns
Loud Noises and Unusual Smells
Our AC Installation Process

You contact us through the website or by phone; we discuss the problem and choose a date for an expert visit.

Evaluation
Our techs perform a home diagnostic, taking into account square footage and design features.

If installation is necessary, you get a fair price with no hidden fees.

Our team installs your ductless system according to manufacturer specifications and all local Seattle building and safety codes.

We test all functions, give you instructions for operation, and offer our labor warranty.
Types of Air Conditioning Systems We Install
Central air conditioning systems:
The most common choice for medium to large homes. These systems provide even cooling throughout the home through a network of ductwork.
Ductless mini-split systems
Energy-Efficient Units (SEER 16+)
High seasonal energy efficiency ratio (SEER) models save up to 30% energy.
Benefits of Professional AC Installation
- Reduced energy costs thanks to high energy efficiency.
- Long service life of the installed equipment.
- Guarantee of quality and safety.
- Support and assistance even after installation.
Don’t Wait for a System Breakdown.
Schedule your seasonal maintenance today and save on long-term repair costs. The clock is ticking on energy rebates—save while you can!