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Post Falls, ID

The Best Electricians, Plumbers, HVAC Company in Post Falls, ID

We offer the best, most reliable plumbing, electrical, heating & cooling services for homes in Washington and Northern Idaho.

Mainstream Technician High Fiving Truck

Heating & Cooling in Post Falls, ID

Total Home System Services

In Post Falls, with its warm summers and snowy winters, maintaining your HVAC system is essential for year-round comfort. Mainstream Electric, Heating, Cooling, & Plumbing specializes in air conditioner and heating services, ensuring your systems are running smoothly whether it’s a scorching July day or a chilly winter night. Our expert technicians handle installations, repairs, and maintenance for all types of HVAC units, offering annual tune-ups to prevent breakdowns and ensure energy efficiency. Additionally, in light of recent air quality concerns due to wildfires, we provide indoor air quality assessments to keep your home’s air clean and safe for your family.

Beyond HVAC, Mainstream is your go-to provider for professional electrical and plumbing services in Post Falls. From electrical repairs, installations, and safety checks to comprehensive plumbing needs—including burst pipe repairs, water heater services, and more—our licensed technicians ensure your home is safe, functional, and up to code. Experience why Post Falls residents trust Mainstream as their preferred home service provider for HVAC, electrical, and plumbing solutions, designed to meet your every need with excellence and reliability.

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

Maintaining Homes in Post Falls, ID since 2000

Let us become the go-to team for your home’s electrical, plumbing, and A/C needs in Post Falls, ID. With Mainstream’s top-notch home service plans, you can ensure your systems receive regular, seasonal maintenance, safeguarding against the unpredictability of emergency repairs. Our expert technicians are here to keep your HVAC, plumbing, and electrical systems running smoothly, saving you both money and the stress of unexpected issues. Choose Mainstream in Post Falls for reliable home maintenance that stands the test of time.

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

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S Brendemihl
S Brendemihl

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

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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

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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.

Post Falls, ID Home Services

Bringing Peace of Mind to Homes in Post Falls

We’re Mainstream Electric, Heating, Cooling, & Plumbing, your trusted local provider dedicated to exceptional service for both residential and commercial needs. In a city where the climate swings from warm summers to snowy winters, our experienced team ensures your home or business stays comfortable year-round. Our commitment to reliability and expert service has made us a household name in Post Falls, where homeowners and businesses alike count on us for their HVAC installations, repairs, and maintenance needs. We pride ourselves on being ready and available to handle any challenge, offering a one-stop solution for all your heating, cooling, and plumbing requirements.

Nestled along the Spokane River and surrounded by the scenic beauty of Kootenai County, Post Falls is a vibrant community experiencing significant growth. With a history deeply rooted in the pioneering spirit of Frederick Post and the breathtaking landscapes that define North Idaho, Post Falls homeowners demand the best in home service solutions. Mainstream responds to this need with a team of licensed professionals utilizing the latest technology and eco-friendly practices, ensuring your project is handled efficiently and effectively. From emergency HVAC services that keep you covered 24/7 to customized plumbing and electrical work designed to meet the unique specifications of your property, Mainstream is committed to enhancing the comfort and safety of your Post Falls home or business, making us the premier choice in the region.

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