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Claim This BusinessHartzell Heating and Air Conditioning has earned a reputation as Aurora's dependable residential climate specialist, building on decades of hands-on experience to serve homeowners across the Denver metro area. The company holds strong ratings with 64 verified client reviews averaging 4.8 stars, reflecting consistent delivery of honest assessments and fair pricing. Terry Hartzell, the owner and lead technician, personally handles consultations and installations, ensuring each household receives solutions tailored to their specific heating and cooling needs.
What distinguishes Hartzell from area competitors emerges in customer feedback: reviewers highlight the company's ability to install modern heat pump systems that operate quietly while delivering efficient climate control, along with tankless water heaters and complete furnace replacements. Terry maintains direct relationships with equipment manufacturers and stays current on utility rebate programs, helping clients access available incentives for high-efficiency upgrades. The company's straightforward approach, avoiding unnecessary upsells while explaining repair versus replacement decisions, resonates with homeowners seeking transparent guidance.
Customer stories reinforce this trustworthy approach. Matthew Holladay describes relying on Terry Hartzell for multiple system installs and repairs over years, ultimately consulting him during a home purchase for a professional HVAC inspection. Paul Shea notes Terry custom-fit new appliances following a major life transition, minimizing disruption while ensuring quality installation. Greg Von Feldt reports the crew arrived early and completed heat pump work efficiently, appreciating the quiet outdoor operation. These narratives illustrate why long-term clients recommend Hartzell to friends and neighbors.
All five sampled reviewers award 5-star ratings, with three specifically naming Terry Hartzell as the technician they worked with. Reviewers mention emergency repairs, system installations, and home inspection services. No negative feedback appears in the sample. Sentiment centers on honesty, fair pricing, and quality installation quality.
| Sunday | Closed |
| Monday | 7 AM–5 PM |
| Tuesday | 7 AM–5 PM |
| Wednesday | 7 AM–5 PM |
| ThursdayToday | 7 AM–5 PM |
| Friday | 7 AM–5 PM |
| Saturday | 8 AM–12 PM |
Diagnoses cooling system failures, recommends appropriate repairs or replacements, installs new air conditioning units.
Repairs heating systems, performs furnace maintenance, installs new units including high-efficiency models.
Installs heat pump systems noted for quiet operation and efficient heating and cooling delivery.
Handles traditional and tankless water heater installation and repairs for residential properties.
Evaluates existing heating and cooling systems for home buyers, providing professional assessment reports.
Performs seasonal maintenance to keep HVAC systems operating efficiently and extend equipment lifespan.