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About Jnm Contractor LLC
Jnm Contractor LLC operates as an HVAC contractor serving Baltimore, Maryland with a 5.0-star rating from a single verified review. The business maintains weekday service hours from 6 AM to 4 PM, with Saturday and Sunday availability extending through midday. Customers can reach the contractor directly at (202) 344-9845 to request heating, ventilation, or air conditioning assistance.
Without access to the company website or detailed review content, specific differentiators such as brand partnerships, specialty certifications, or unique service offerings cannot be verified for this listing. The limited public data prevents a thorough assessment of what distinguishes this contractor from others operating in the Baltimore metropolitan area.
A reviewer awarded Jnm Contractor LLC a perfect 5-star rating, indicating satisfaction with the work performed. However, without access to the full review text or named technician information, specific details about the customer scenario, the nature of the service provided, or the individual who completed the work cannot be documented.
What Customers Say
With only one review on record, insufficient data exists to calculate quantitative sentiment patterns. The single reviewer awarded a 5-star rating, but the review text is unavailable for analysis.
Working Hours
| Sunday | 8 AM–12 PM |
| Monday | 6 AM–4 PM |
| Tuesday | 6 AM–4 PM |
| Wednesday | 6 AM–4 PM |
| Thursday | 6 AM–4 PM |
| Friday | 6 AM–4 PM |
| SaturdayToday | 8 AM–4 PM |
Services
AC Repair
Diagnosis and repair of air conditioning systems not cooling properly or showing error codes.
Heating Repair
Service for furnaces, heat pumps, or heating systems failing to produce warm air.
AC Installation
New air conditioner installation for homes requiring replacement or upgrade.
Heating Installation
Furnace or heat pump installation for new construction or system replacement.
Preventive Maintenance
Seasonal tune-ups to maintain system efficiency and extend equipment lifespan.
Indoor Air Quality Solutions
Assessment and installation of air filters, purifiers, or ventilation improvements.
Ductwork Service
Inspection, repair, or modification of duct systems affecting airflow and distribution.
Thermostat Service
Installation, programming, or repair of thermostats and smart temperature controls.