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Liberty Lake, WA

The Best Heating & Cooling Contractor in Liberty Lake, WA

From Greenacres to Newman Lake, we offer the best, most reliable plumbing, electrical, heating & cooling services for homes in Washington and Northern Idaho.

Mainstream Technician High Fiving Truck

Liberty Lake Heating & Cooling

Premier Heating and Cooling Services

Experiencing a malfunction with your home’s heating and cooling system can swiftly escalate into a major inconvenience. At Mainstream Electric, Heating, Cooling, and Plumbing company, we understand the urgency and stress such situations can bring. That’s why our expert team is quick to respond, arriving with well-stocked vans to ensure your furnace or A/C repair is handled efficiently and effectively on the first visit. Often, the solution is simpler and more affordable than anticipated. We prioritize transparency, providing you with an upfront estimate and a clear explanation of your options before any work begins. For those dealing with older systems or frequent breakdowns, we recommend considering an upgrade to a newer, more reliable system, promising enduring comfort for your family.

Mainstream Offers

Special Offers and Coupons

Our Services

Repair, Install, Service & More


Our electricians will help get the lights turned on in thousands of Spokane area homes.

Air Conditioning

A/C repair, installation, maintenance, and much more.


Our heating experts will help keep you warm in the winter.


Like most people, you might not think much about your plumbing – until something happens.

Drains & Sewers

Your drains are nearly invisible, but far from invincible. We’re here to help keep things flowing.

Air Quality

From indoor air quality testing to dehumidifiers to filter exchanges - we can help keep your air clean.

Maintenance Plan

Our membership program is crafted to offer peace of mind and comfort to every Spokane home, blending professional care with a touch of local charm.

The Mainstream Difference

Rethink Home Services with Mainstream - Your Trust, Our Promise.

At Mainstream, we redefine home service excellence, ensuring every interaction is designed with your satisfaction in mind.

Flexible Scheduling

We honor your busy schedule by offering flexible booking options that cater to your availability. Our 24/7 service readiness means urgent or regular maintenance is just a call away, ensuring we're there when you need us most — in Spokane, Northern Idaho, and places in between.

Transparent Pricing

Trust starts with transparency. That's why at Mainstream, you receive straightforward pricing without hidden fees. We focus on solving your problems, not upselling unnecessary services. Our commitment to honesty is echoed in thousands of positive customer reviews praising our integrity.

Expert Technicians

Mainstream stands out with a team that receives ongoing training in the latest home service technologies and adheres strictly to industry standards. We treat your home with the utmost respect and care, approaching every job with precision and professionalism to ensure superior results.

2 Mainstream Technicians Sitting in Truck

Home Maintenance Plans

We Take Care of Your Whole Home

Discover the benefits of Mainstream’s Home Maintenance Plans, tailored specifically for homeowners in Liberty Lake, WA. In a city where the weather ranges from heavy snowfall in winter to sizzling summer heat, keeping your HVAC systems in top condition isn’t just a convenience—it’s a necessity. Our Home Maintenance Plans are designed to provide peace of mind, ensuring your heating and cooling systems operate efficiently and reliably throughout the year.

Regular maintenance can significantly reduce the risk of unexpected breakdowns, saving you from the inconvenience and potential costs of emergency repairs. By opting into our maintenance plan, you’re not just investing in the longevity of your systems; you’re ensuring a consistent, comfortable climate in your home, regardless of the season. Plus, with priority service for our plan members, you’ll have the assurance that help is quickly available when you need it most.

For homeowners in Liberty Lake, WA, Mainstream’s Home Maintenance Plans are the smart choice for safeguarding your home’s comfort and efficiency. Don’t let the weather dictate your home’s comfort level. Schedule an appointment online or call us today to learn more about how our maintenance plans can help keep your home comfortable, year-round.

Call or Schedule Your Service Online!

Elizabeth Kriner
Elizabeth Kriner

They were prompt,accurate in their proposal

Paul and Shane Did a fine job of bringing me up to codes

via Google
S Brendemihl
S Brendemihl

Josh and Levi were fast, friendly and able to answer all my questions. Even my dumb ones 😉

via Google
patsy moon
patsy moon

Ricky was so polite, I want to adopt him! He was worked his buns off! It was a difficult job but he refused to give up!! He danced a jig when he figured it out

via Google
Nancy Betts
Nancy Betts

Anthony was very informative, helpful, and knowledgeable. His information helped make our decision on servicing our air conditioners. Great guy, too.

via Google
Warren Stout
Warren Stout

Original appointment rescheduled a week later. Plumber arrived 3.5 hours late (3:30 pm vs. original 8-12 am window). Personnel were friendly, professional and completed work requested. They left the job site clean and tidy. Cost seemed high…

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Mainstream Reviews

5-Star Service, Guaranteed.

We are Spokane’s premier home services company since 2000, with thousands of satisfied customers. Discover our latest reviews today!

Awards & Accreditations

Spokane's Finest

Mainstream® has earned the trust of the community, being recognized with the following awards and certifications.

Reliable Home Solutions

Top-Quality HVAC Solutions for Liberty Lake Homes

Liberty Lake, WA and its nearby towns of Greenacres, Otis Orchards, and Newman Lake, are a vibrant community perfectly positioned in northeast Spokane County, along the Idaho border. This idyllic locale, named after the scenic Liberty Lake, serves as a peaceful retreat for many, including commuters to Coeur d’Alene, Idaho, and Spokane, WA. Mainstream, a BBB-accredited business, has been delivering top-tier heating and cooling solutions to homes and businesses here since 1945, ensuring residents and local entrepreneurs enjoy a comfortable indoor climate year-round.

Given Liberty Lake’s challenging weather conditions, with 41 inches of annual snowfall and the ever-increasing heat of summer, a dependable HVAC system isn’t just a luxury—it’s essential. Mainstream’s licensed and insured technicians are ready to provide rapid and effective service throughout the year. We stand out as the foremost HVAC service provider, committed to excellence. If you’re facing HVAC issues or considering a system upgrade, don’t hesitate—call Mainstream or schedule your appointment online today for unmatched service and comfort solutions in Liberty Lake, Greenacres, Newman Lake, and Otis Orchards.

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