4.9★ from 150+ verified reviews
Don't take our word for it — here's what your neighbors are saying.
"Our heat went out during a cold spell and Keller Heating & Cooling responded immediately. The issue was diagnosed and repaired quickly. Excellent service."
"As a Mechanical Engineer, I appreciate contractors who deliver knowledge, consistency, and strong work ethic. Keller Heating & Cooling exceeded expectations."
"I've used Zach and his crew several times. They are always quick to respond, professional, knowledgeable, and fairly priced."
"Keller Heating & Cooling installed my new furnace within days of my call. Professional, efficient, and very neat work."
"Zach was honest, responsive, and never tried to oversell. He handled urgent HVAC service quickly and professionally."
"Very professional and knowledgeable crew. They took time to explain everything and were transparent throughout the process."
"When our heat stopped working, Keller Heating & Cooling arrived promptly, fixed the issue, and charged a fair price."
"Fast estimates, quick scheduling, fair pricing, and dependable emergency service. Highly recommended."
"Zach fit my mother into a busy schedule, arrived in the evening, and fixed her heater issue. Professional and reasonably priced."
"Water heater replacement was completed within hours. Clean installation, new fittings, and no mess left behind."