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Harrison, ID

Your Trusted Electric, Plumbing and HVAC Partner in Harrison, ID

Expert Home Services: Your Trusted Solution for Plumbing, Electrical, Heating & Cooling in Washington and Northern Idaho.

Mainstream Technician High Fiving Truck

Comprehensive Solutions in Harrison

Your Total Home Services Solution for Harrison, ID

For over two decades, Mainstream Electric, Heating, Cooling, and Plumbing has been the unwavering pillar of comfort and reliability for homeowners in Harrison, ID, and throughout Kootenai County.

Our reputation as the leading HVAC service provider stems from an unyielding dedication to excellence and a steadfast commitment to customer satisfaction.

Our licensed technicians don’t just bring expertise to the table; they bring a fervent dedication to exceeding expectations, ensuring each service call is met with superior craftsmanship and care.

Whether it’s battling scorching summers with top-tier air conditioning solutions or ensuring snug warmth during frosty winters with steadfast furnace services, our team comprehends the unique needs of Harrison homeowners. With a focus on quality, durability, and tailored attention, Mainstream stands as your steadfast ally in safeguarding the comfort and security of your home all year round.

Embark on a transformative journey with Mainstream today, and experience firsthand why we reign as the preferred HVAC partner in Harrison, ID.

Schedule an appointment now and elevate your home’s comfort with our unparalleled expertise and unwavering commitment to excellence.

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

Protect Your Harrison Home's Comfort

In Harrison, where the seasons bring extreme weather shifts, a home maintenance plan isn’t just a luxury – it’s a necessity. Mainstream Electric, Heating, Cooling, and Plumbing understands the unique challenges that Harrison homeowners face, from scorching summers to chilly winters. Our comprehensive home maintenance plans are designed to safeguard your home’s comfort and functionality year-round.

With Mainstream’s expertise, you can trust that your HVAC, electrical, and plumbing systems will receive the care and attention they deserve. From routine inspections to timely repairs and proactive maintenance, our plans ensure that potential issues are addressed before they escalate into costly emergencies. By investing in a Mainstream home maintenance plan, Harrison homeowners can enjoy peace of mind knowing that their home is in capable hands, ready to weather any storm that comes its way. Don’t wait until it’s too late – protect your home comfort today with Mainstream.

Call or Schedule Your Service Online!


Brandt was great. He was able to diagnose the issue almost immediately. He was professional and knowledgeable.

via Google
ZnH Hockley
ZnH Hockley

Best experience I've ever had for hvac work. Tech was fast, smart and had the problem diagnosed and solved within 15 mins. True pros. Will tell everyone I know to use them.

Response from business owner

Thank you so much for the glowing review! We are thrilled to hear that you had such a positive experience with our HVAC services. Our team takes great pride in providing fast and efficient service, so it's wonderful to know that we were able to diagnose and solve the problem quickly for you. We truly appreciate your recommendation and look forward to helping your friends and family with their HVAC needs as well. Thank you for choosing us!

via Google
Won Shin
Won Shin

He is friendly and knows the problem well and explains it in detail so that I want to know more about it.

Response from business owner

Thank you so much for the kind words, Won! I'm glad I could help explain the issue to you in detail. If you ever have any more questions, feel free to reach out.

via Google
Scott Graham
Scott Graham

Adam did a great job. Real friendly and knowledgeable. Mainstream was here within 12 hours of my AC going down in 90+ temps.

Response from business owner

Thank you, Scott! I'm so glad to hear that you had a positive experience with us during such a stressful time. We strive to provide fast and friendly service to all of our customers. Your feedback means a lot to us!

via Google
John Bury
John Bury

the best

sharp friendly professional courtesy

with a genuinely personal interest..

good listener

good answerer

Response from business owner

Thank you so much for the glowing review, John! I'm thrilled to hear that you had such a positive experience with us. We truly value our customers and strive to provide top-notch service. We look forward to serving you again in the future!

via Google

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.

Home Repair, Installation, and Service

Comprehensive Plumbing, Heating, and Electrical Services in Harrison, Idaho by Mainstream Electric, Heating, Cooling, & Plumbing

In Harrison, Idaho, Mainstream Electric, Heating, Cooling, & Plumbing is your premier provider of comprehensive home services, specializing in expert plumbing, heating, and electrical solutions. Discover how our skilled plumbers and technicians ensure your home systems operate efficiently and reliably all year round.

Mainstream’s Full Spectrum of Home Services in Idaho

Our commitment to excellence in Harrison, Idaho spans a broad range of home maintenance services, designed to ensure the comfort and safety of your home, with a special focus on Harrison plumbing and heating solutions.

Comprehensive Plumbing Services Offered in Harrison, Idaho by Mainstream

  • Leak Detection and Repair: Our skilled Harrison plumbers utilize advanced technology to quickly identify and fix leaks, preventing potential water damage and conserving water.
  • Fixture and Appliance Installations: We expertly install a wide range of plumbing fixtures and appliances, from faucets and showers to water heaters and dishwashers, enhancing the functionality and efficiency of your home.
  • Pipe Repair and Replacement: Whether addressing aging pipes or correcting previous installation errors, our team ensures your plumbing system is robust and reliable.
  • Drain Cleaning and Maintenance: Keep your drains flowing smoothly with our comprehensive cleaning services, which can prevent clogs and other plumbing issues.
  • Sump Pump Installation and Service: Essential for flood prevention, especially in lower-lying areas of Harrison, our sump pump services ensure your basement remains dry.
  • Water Heater Services: We install, repair, and maintain all types of water heaters, ensuring you have consistent and efficient hot water supply.
  • Water Treatment and Filtration: Improve the quality of your drinking water with our water treatment solutions, designed to remove contaminants and soften hard water.
  • Emergency Plumbing Services: For urgent plumbing issues, our Harrison plumbers are available 24/7 to provide fast and effective solutions, ensuring that plumbing emergencies are resolved quickly and efficiently.

Heating & Cooling Services Tailored to Harrison’s Climate

  • Heating System Installation and Repair: Our technicians are experienced in a variety of heating systems, including furnaces and boilers, ensuring your home stays warm throughout the colder months.
  • Routine Heating Maintenance: Regular maintenance extends the lifespan of your heating system and enhances its efficiency, saving you money on energy bills and unexpected repairs.
  • Efficient Cooling Services: Beat the Harrison summer heat with our air conditioning services, including installations, repairs, and routine maintenance.

Professional Electrical Work

  • Safe Electrical Installations and Upgrades: Whether modernizing your home or replacing outdated wiring, our licensed electricians ensure all work adheres to the latest codes, enhancing safety and efficiency.
  • Comprehensive Electrical Repairs: Address any electrical issue with our quick and efficient repair services, minimizing downtime and ensuring continuous safety.

Why Mainstream for Home Services?

  • Local Expertise: Our deep understanding of Harrison’s specific needs allows us to provide targeted services that effectively address local home maintenance challenges.
  • Quality Assurance: At Mainstream, we commit to the highest standards of service, utilizing only the most effective techniques and reliable products.
  • Transparent Communication: We keep our customers informed throughout the service process, ensuring clarity and no surprises on services or billing.

Mainstream’s Comprehensive Coverage: The Service Partner Plan

Invest in the long-term health of your home’s systems with our Service Partner Plan, which covers essential services, including:
  • Routine Inspections: Regular checks help prevent breakdowns and identify issues before they escalate.
  • Exclusive Discounts: Enjoy reduced rates, making home maintenance more affordable.
  • Priority Scheduling: Get faster service when you need it most, with priority scheduling.

Emergency Services Are Here 24/7

Our emergency services are available around the clock in Harrison. Whether you face a burst pipe or a heating failure, our Harrison plumbers and technicians are just a call away, ready to assist quickly and effectively.

Mainstream: Your Trusted Home Service Provider

Ensure your Harrison home’s systems are in top condition. Let us simplify home maintenance and give you peace of mind knowing that your home is in expert hands. Contact Mainstream today to learn more about our Harrison plumbing, heating, and electrical services or to enroll in the Service Partner Plan.

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