Services
603 Mechanical offers many services– from preventive maintenance to installation. When you call, our main number goes directly to a service technician who will contact you and evaluate what you need: Fast, Focused and we’ll get it right the First time.
The list below is long—and we can fix even what you might not have a name for.
Plus: True to our profession, we remain cool under pressure.
We’re 603 Mechanical, N.H. natives with a human touch.
Heating Repair, Maintenance, Replacement, and Installation
- Heating System Repair
- Heating Tune-Up Service
- Heat Pump Repair & Maintenance
- Furnace Repair & Maintenance
- Boiler Repair & Maintenance
- Ductless Heating Repair
- Heat Pump Replacement
- Heat Pump Installation
- Furnace Replacement
- Furnace Installation
- Ductless Heating Installation
- Electric Baseboard or Wall Heater Repair
- Thermostat Install
- Thermostat Repair
- Heat Pump Repair
- Ducts & Vents Install
- Furnace – Repair or Service
- Furnace – Install or Replace
A/C Repair, Maintenance, Replacement, and Installation
- A/C Repair
- Ductless A/C Repair
- A/C Tune-Up Service
- A/C Replacement
- Central A/C Repair
- Swamp Cooler Repair
- Window A/C Service
- Mist System Repair
- Central Humidifier Repair
- Central Air Cleaner Repair
Refrigeration Repair, Maintenance, Replacement, and Installation
- Walk-in Boxes
- Reach-Ins
- Low Boys
- Freezers
- Display Cases
- Installation
- Service
- Preventative maintenance
- Ice Machines