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About 4AY.LLC Heating and Cooling
4AY.LLC Heating and Cooling serves Detroit and the broader metro area with a 4.9-star rating drawn from 46 verified client reviews. The company handles the full spectrum of residential heating and cooling needs, from new system installations to emergency repairs and seasonal tune-ups. Reviewers consistently note the team's punctuality and clear communication, with one client specifically praising Shahin for arriving within the stated appointment window on a Saturday morning.
The company promotes annual maintenance checks as a preventive strategy, helping homeowners avoid mid-season breakdowns. Their service menu covers ductwork design and installation alongside air quality assessments, offering a cohesive approach to indoor comfort. While the website does not list specific brand partnerships or guarantees, the emphasis on tune-ups and diagnostics reflects a maintenance-forward business model.
Reviewers describe specific positive scenarios worth noting. Shahin identified a failing flame sensor during a Saturday morning call, immediately processed warranty paperwork, and restored heat before 11am. Another reviewer noted Shahin responded same-day during an extreme heat wave with temperatures reaching the mid-90s, completed the repair quickly, and provided preventative maintenance guidance. A five-year client specifically praised the company's emergency responsiveness and twice-yearly maintenance program as exceptional value.
What Customers Say
Forty-six reviews produce a 4.9 average rating, with technicians Shahin appearing in multiple positive accounts of same-day emergency response. One reviewer cites five consecutive years of service and twice-yearly maintenance calls as a key value driver.
Services
HVAC System Installation
New heating and cooling system installation for residential properties, from system selection through complete setup.
HVAC Repair Services
Diagnostic and repair services for heating and cooling system failures, including same-day emergency response.
Routine Maintenance and Tune-ups
Seasonal maintenance checks and tune-ups designed to prevent mid-season breakdowns and extend system life.
Air Quality Assessment and Improvement
Evaluation of indoor air quality with recommendations and solutions for healthier home environments.
Ductwork Design and Installation
Custom ductwork design and installation services to optimize airflow and system performance.