Emerald HVAC

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About Emerald HVAC
Emerald HVAC delivers heating and cooling services to homeowners in Leominster and surrounding Massachusetts communities. The business maintains a perfect 5-star rating compiled across 6 client reviews, reflecting consistent delivery of reliable service. Residents throughout Worcester County depend on this contractor for both routine maintenance and unexpected system failures.
Unlike larger operations that prioritize major installations, Emerald HVAC accepts jobs many competitors decline. The company tackles smaller repairs and component-level fixes that other contractors dismiss as too modest to warrant service calls. This approach positions the business as a practical choice for homeowners seeking honest assessments rather than expensive system replacements.
Three separate reviewers recount encounters with technician Jos , who responded to emergency calls during extreme conditions. One homeowner describes how Jos arrived on a holiday weekend Saturday within 24 hours of their cooling system failure. Another recounts Jos correctly diagnosed a faulty filter dryer issue that three other companies misidentified as requiring full system replacement. A third reviewer credits Jos for arriving during a heat wave flood emergency and completing repairs in under a day. Technician George received similar recognition for picking up the phone personally and scheduling a follow-up visit when another contractor failed to respond.
What Customers Say
Six verified clients collectively award 5 stars, with four specifically naming technicians who handled their calls. Three reviewers recount emergency scenarios requiring same-day or next-day response during heat waves or holiday weekends. Zero negative feedback appears across the dataset.
Working Hours
| Sunday | 7 AM–5 PM |
| MondayToday | 7 AM–5 PM |
| Tuesday | 7 AM–5 PM |
| Wednesday | 7 AM–5 PM |
| Thursday | 7 AM–5 PM |
| Friday | 7 AM–5 PM |
| Saturday | 7 AM–5 PM |
Services
AC Repair
Diagnosing and repairing residential cooling system malfunctions including component-level failures.
AC Maintenance
Seasonal tune-ups and preventive servicing to maintain cooling equipment performance.
Cooling System Installation
Installing new air conditioning equipment for residential properties.
Emergency HVAC Service
Responding to same-day and next-day calls for system failures requiring immediate attention.
System Diagnostics
Identifying root causes of inconsistent operation, intermittent failure, or complete system shutdowns.