Service Areas

Primary Service Areas

Unisystems HVAC is headquartered in Auburn, Washington, which serves as the foundation of our service territory. From this central location, we efficiently support customers throughout North King County and the Eastside, while remaining available for select locations in North Pierce County.

Our primary service areas include:

• Auburn

• Kirkland

• Issaquah

These cities represent the core of our day-to-day operations and allow us to provide timely service without compromising attention to detail or customer communication.

King County HVAC Service Areas

We serve a wide range of cities and communities throughout King County, supporting both residential and light commercial HVAC needs. Our familiarity with local building standards, climate conditions, and system requirements allows us to tailor solutions that perform reliably year-round.

King County service areas include:

South King County

• Kent

• Covington

• Maple Valley

• Black Diamond

• Algona

• Pacific

• Des Moines

• SeaTac

• Tukwila

• Burien

Eastside and Central King County

• Bellevue

• Redmond

• Sammamish

• Newcastle

• Mercer Island

• Medina

• Clyde Hill

• Yarrow Point

• Hunts Point

North King County

• Seattle

• Shoreline

• Lake Forest Park

• Kenmore

• Bothell

• Woodinville

• Mountlake Terrace

• Brier

This broad King County coverage allows Unisystems HVAC to support customers across urban, suburban, and residential neighborhoods with the same level of professionalism and care.

North Pierce County HVAC Service Areas

In addition to King County, Unisystems HVAC remains open to serving customers throughout North Pierce County, particularly when referred by existing clients. This flexibility allows us to continue supporting long-term customers who relocate or recommend our services to family and friends in nearby areas.

North Pierce County service areas include:

• Federal Way

• Fife

• Milton

• Edgewood

• Sumner

• Puyallup

• Lakewood

• Tacoma

• University Place

• Fircrest

Availability in North Pierce County may vary based on scheduling and project scope, but every request is handled with the same attention and professionalism that define our work elsewhere.

Referral-Based Expansion and Local Focus

Unisystems HVAC has grown organically through referrals earned from years of reliable service. This approach allows us to maintain strong relationships within the communities we serve while avoiding overextension. By focusing on a defined service area, we ensure timely response times, clear communication, and consistent workmanship on every job.

Customers throughout our service area value working directly with experienced professionals who understand local HVAC challenges and prioritize long-term system performance rather than short-term fixes.

Serving Your Community with Confidence

If you are located in Auburn, North King County, Kirkland, Issaquah, or surrounding areas in King or North Pierce County, Unisystems HVAC is ready to assist with your heating and cooling needs. Our service area continues to evolve as our reputation grows, but our commitment remains the same: dependable HVAC solutions delivered by a family-owned company that stands behind its work.

For questions about service availability in your city or to schedule HVAC service, contact Unisystems HVAC today. We look forward to serving your home or business with professionalism, integrity, and experience.