Grant County Heating & Cooling LLC

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About Grant County Heating & Cooling LLC
Grant County Heating & Cooling LLC serves residential and light commercial clients across eastern Oregon, including John Day, Prairie City, Dayville, Canyon City, and surrounding communities. The company holds a 4.7-star average from 33 customer reviews, reflecting consistent service quality over nearly two decades of operation. This family owned and operated business emphasizes transparent communication and straightforward pricing, positioning itself as a direct alternative to larger corporate HVAC chains that may lack local presence.
The contractor distinguishes itself through specialized product partnerships and niche service offerings. As a dealer for Trane, Mitsubishi, Navien, and Napoleon equipment, the company handles everything from traditional split-system air conditioning to geothermal heat pump installations. Their indoor air quality focus includes air purification solutions, while their product lineup extends to tankless water heaters, pellet stoves, and fireplace inserts, giving homeowners flexible options for heating upgrades and energy efficiency improvements.
Customer reviews document specific service experiences that illustrate their responsiveness. One reviewer describes Steve arriving on time to diagnose a heat pump issue and recommend electrical repairs. Another review highlights Steven and Trevor completing a full-day twin mini-split installation, with the homeowner noting the team communicated throughout the project. A same-day furnace repair after a power outage and holiday-weekend emergency service are also documented, with reviewers praising punctual arrival and thorough explanations.
What Customers Say
Eight reviews, all five-star ratings, document consistent themes: same-day emergency availability, punctual technicians, and clear communication. Multiple reviewers specifically name service personnel including Steve, Brandon, Steven, and Trevor, describing them as polite, efficient, and willing to explain technical details.
Working Hours
| Sunday | 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 |
| SaturdayToday | Closed |
Services
Air Conditioning Installation, Repair & Maintenance
Complete AC services including new system installation, repairs, and seasonal maintenance for residential cooling.
Heating System Services
Furnace repair, replacement, and maintenance covering gas, electric, and alternative fuel heating systems.
Mini-Split Heat Pump Systems
Ductless mini-split installation for home additions, zones, and buildings where traditional ductwork is impractical.
Indoor Air Quality Solutions
Air purification products and ventilation improvements to address allergens, humidity, and airborne contaminants.
Geothermal Heat Pump Systems
Ground-source heat pump installation for energy-efficient heating and cooling with long-term utility savings.
Water Heaters & Tankless Systems
Traditional and tankless water heater sales, installation, and repair services for domestic hot water needs.
Fireplaces & Stove Services
Pellet stove and fireplace insert sales, installation, and user guidance for alternative heating options.