Commonwealth Heating & Air
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Claim This BusinessAbout Commonwealth Heating & Air
Commonwealth Heating & Air operates as a fully licensed HVAC contractor serving Harrodsburg and the broader Mercer County region with round-the-clock availability. The company holds a perfect 5.0-star rating derived from 75 verified customer reviews, reflecting consistent delivery of heating and cooling solutions across residential properties. Owner Harlan leads service calls personally, bringing certified expertise to every installation, repair, and maintenance job undertaken for homeowners throughout the area. This 24-hour operation model ensures residents facing heating failures during bitter winter nights or AC breakdowns during summer heat waves can reach a qualified technician without delay.
What distinguishes Commonwealth Heating & Air from neighboring contractors centers on Harlan's direct involvement and transparent business practices, as evidenced across numerous client testimonials. The company handles full system replacements including modern heat pump installations that provide energy-efficient year-round climate control. Reviewers repeatedly highlight the technician's honesty in diagnosing issues and recommending only necessary repairs rather than pursuing unnecessary upsells. Several customers noted Harlan traveled beyond standard service boundaries to assist properties in surrounding counties when genuine emergencies arose.
Customer narratives drawn directly from recent reviews illustrate the company's dedication to responsive service under challenging conditions. For Sheila Norris-Brummett, Harlan completed a complete AC replacement during extreme summer heat followed by installing a heat pump system for winter months within a single project timeline. Cynthia Rodgers described how Harlan arrived at 8:30am on December 26th and worked continuously until 5:30pm to finish a full HVAC replacement. Jonathan Smith, a local business owner, recounted an emergency Saturday situation where Harlan responded immediately and provided diagnosis plus remediation before the day concluded.
What Customers Say
Every reviewer across all 75 submissions awarded a 5-star rating, with Harlan named explicitly in 7 of 8 displayed reviews. Customers specifically highlighted same-day arrival during emergencies (3 mentions), holiday or weekend availability (2 mentions), and working beyond standard service areas when needed (1 mention). Zero negative observations appeared in available feedback.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| FridayToday | Open 24 hours |
| Saturday | Open 24 hours |
Services
AC System Replacement
Complete air conditioner removal and new unit installation including modern high-efficiency models.
Heating System Installation
Full furnace and heating system installation with professional sizing and setup.
Heat Pump Installation
Energy-efficient heat pump systems providing both heating and cooling from single equipment.
Emergency HVAC Repair
Same-day diagnostic and repair services available during evenings, weekends, and holidays.
System Diagnostics
Thorough assessment identifying root causes of heating or cooling performance issues.
Preventive Maintenance
Regular service to maintain system efficiency and extend equipment operational lifespan.