Alliance Heating & Cooling, Inc
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About Alliance Heating & Cooling, Inc
Alliance Heating & Cooling, Inc operates in Mechanicsville, Maryland with a 4.9-star rating across 41 customer reviews, reflecting consistent service quality in the region. The company maintains standard weekday hours from 7 AM to 3 PM, serving residential clients throughout the local area and surrounding communities.
The contractor offers heating and cooling system replacement, including both indoor and outdoor unit upgrades, along with preventive maintenance programs. Service offerings extend to duct cleaning and sanitization, dryer vent vacuuming, and system inspections covering heat pumps and electronic HVAC components.
Reviewers describe experiences with technicians named Jim, Mike, and William, noting detailed system assessments and transparent communication about needed repairs. One customer recounted how Mike discovered and repaired tubing issues at no additional charge during a maintenance visit, while another praised the team for thorough post-installation cleanup following a full HVAC replacement.
What Customers Say
Four reviewers specifically mention same-day or prompt scheduling, with three customers highlighting the technicians who serviced their systems. Positive feedback consistently references transparent communication about repair needs, while no negative reviews appear in the available feedback.
Working Hours
| SundayToday | Closed |
| Monday | 7 AM–3 PM |
| Tuesday | 7 AM–3 PM |
| Wednesday | 7 AM–3 AM |
| Thursday | 7 AM–3 PM |
| Friday | 7 AM–3 PM |
| Saturday | Closed |
Services
HVAC System Replacement
Complete indoor and outdoor unit replacement for aging heating and cooling systems, including new installation and post-installation verification.
Preventive Maintenance
Biannual service plan covering system inspections, coil cleaning, blower cleaning, and overall system diagnostics.
Duct Cleaning & Sanitization
Thorough ductwork cleaning and sanitizing treatment to improve indoor air quality and system efficiency.
Dryer Vent Cleaning
Professional vacuuming and cleaning of dryer vents to reduce fire hazard and improve dryer performance.
Heat Pump Service
Inspection and maintenance for electronic heat pump systems, including diagnostics and performance verification.
System Repairs & Component Fixes
On-site repairs including condensation pump wiring, tubing issues, and other mechanical problems identified during inspections.