Mountain Valley Heating & A/C

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About Mountain Valley Heating & A/C
Mountain Valley Heating & A/C serves the Renton, Washington community with a strong reputation backed by 165 client reviews holding a 4.9-star average. The contractor operates Monday through Friday from 8 AM to 5 PM, providing service calls throughout the greater Renton metropolitan area and surrounding neighborhoods. Homeowners searching for reliable heating and cooling professionals frequently encounter this business listed among top-rated regional providers.
The company differentiates itself through specialized expertise in ductless mini-split systems, particularly in challenging residential configurations such as log homes with unconventional construction. They install major equipment brands including Lennox, American Standard, and Mitsubishi, offering heat pumps and furnaces backed by manufacturer warranties. One reviewer specifically noted a UV air scrubber integration with a new Mitsubishi system, indicating additional indoor air quality solutions beyond standard heating and cooling equipment.
Multiple reviewers commend specific team members by name. Jim guided one homeowner through a thorough comparison of six vendors during a Lennox system replacement, providing detailed explanations that influenced the final decision. James designed creative routing solutions for a log home installation involving threemini-split heads and a 30K BTU outdoor unit, accommodating last-minute location changes while ensuring a clean finished appearance. A reviewer facing February heat loss with no functional furnace received priority scheduling, demonstrating responsiveness to urgent situations.
What Customers Say
165 reviews produce a 4.9-star average with consistent praise for technician communication and installation quality. Five-star reviewers consistently mention specific staff members Jim, James, Shar, and Anne by name, highlighting personalized attention throughout sales, installation, and follow-up phases. No negative reviews were provided in the dataset.
Working Hours
| SundayToday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| Thursday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Closed |
Services
Furnace Installation & Replacement
Full furnace installation including new builds and system replacements, with inspector-reviewed work meeting code standards.
Heat Pump Systems
Traditional split-system heat pumps and hybrid installations providing both heating and cooling from single equipment.
Ductless Mini-Split Systems
Multi-zone mini-split installations featuring outdoor units paired with multiple indoor heads, ideal for additions and unique layouts.
System Repair & Maintenance
Diagnostic services and repair work addressing heating and cooling malfunctions across brand generations.
Indoor Air Quality Solutions
UV air scrubbers and additional filtration upgrades integrated with new HVAC equipment for enhanced IAQ.
Commercial HVAC Services
System design and installation services extending beyond residential applications to light commercial properties.