Open Every Day, Honest Every Time. Weekend Appointments Available!
Open Every Day, Honest Every Time. Weekend Appointments Available!
When your AC stops cooling, Mainstream is here to bring the comfort back—fast. Since 2000, we’ve been the Inland Northwest’s trusted choice for air conditioning repair, heating service, and full-home HVAC care. Our licensed technicians arrive prepared with fully stocked trucks and the know-how to fix the problem on the spot, whether it’s a faulty compressor, low refrigerant, or worn-out blower motor. With upfront pricing, 24/7 availability, and a commitment to treating your home as if it were our own, we make it easy to stay cool in the summer, warm in the winter, and confident your comfort systems are in the best hands.
Your AC works hardest when you need it most—but without maintenance, breakdowns are more likely. Mainstream Care Club members in Post Falls enjoy three yearly tune-ups: AC, heating, and a whole-home plumbing check. These visits catch worn parts, leaks, and hidden issues before they turn into emergencies. Membership also includes no dispatch fees, 10% savings on service, and priority scheduling for AC repair, maintenance, or installation. With the Care Club, you can relax knowing your cooling system is protected through every season.
Every AC repair or installation in Post Falls is backed by Mainstream’s Home Comfort Guarantee. You’ll always get a clear, upfront quote before work begins, never hidden fees, and service from licensed, background-checked technicians. If something isn’t right, we’ll make it right. From fast repairs to full system replacements, we stand behind our work—because your comfort and peace of mind are our top priority.
Spokane residents have trusted Mainstream as their full-home service provider for over 20 years, taking care of all their maintenance, installation, and repair needs.
We proudly service the following cities and neighborhoods in Spokane & Northern Idaho:
Not seeing your area? Give us a call at 509-237-6483
When winter hits Post Falls, there’s no mistaking it. Cold winds sweep in off the river, temperatures drop into the 20s, and furnaces become the lifeline of every home. Many Post Falls neighborhoods – from the tree-lined streets near Greensferry to the newer developments around Prairie Falls – blend older homes with fresh builds, meaning a wide mix of heating systems, each with their own challenges. Whether it’s an aging gas furnace struggling to keep up or a newer unit that needs mid-season maintenance, having a 24-hour local heating team makes all the difference.
At Mainstream, our certified technicians know the specific demands of living in North Idaho. We’ve helped countless Post Falls homeowners and small businesses handle frozen filters, blower motor failures, ignition issues, and complete system breakdowns during those deep-freeze weeks. We also understand that efficiency matters here — where long heating seasons and rising energy costs mean even small furnace issues can drive up monthly bills. That’s why every repair comes with a full performance check, honest guidance, and the goal of getting your heat restored quickly, safely, and affordably.
We’re not just fixing furnaces — we’re protecting the comfort and reliability of homes across the Inland Northwest.
Explore our complete lineup of Post Falls home comfort services:
From thawing frozen homes to fine-tuning high-efficiency systems, Mainstream keeps Post Falls warm, safe, and ready for winter — with reliable furnace repair backed by 20+ years of trusted service.
