Furnace, AC & Fireplace Preventive Maintenance Contracts
It’s common sense that when you care for something it functions better and lasts longer. When you hire Rahman Heating, A/C & Fireplace, LLC for annual heating and cooling maintenance services you’re signing up to a plan that yields many benefits.
Aside from having the total peace of mind that your HVAC system will work on those hot and cold days in Plainview, Rochester, and the surrounding Minnesota area, the value from improved energy efficiency and paying for fewer repairs often leads to savings greater than the cost of the plan itself.

Planned maintenance program services
The annual maintenance benefits include a complete tune-up. Our technicians will do the following:
- Check evaporator coil
- Lubricate fan motor
- Set manifold pressure
- Monitor expansion valve
- Check start and run capacitors
- Test fan limit switch
- Clean evaporator drain
- Check start and run delays
- Clean blower wheel
- Adjust bypass dampers
- Monitor refrigerant level
- Inspect valves
- Clean or replace filters
- Adjust operating pressures
- Check flue
- Tighten electrical connections
- Measure voltage differences
- Check flame baffle
- Evaluate safety controls
- Measure amperage draw
- Measure gas input
Clean combustion chamber
- Measure temperature difference
- Clean and adjust burners
- Clean heat exchanger
- Clean condenser coil
- Evaluate vent system
- Test thermocouple
- Adjust thermostat calibration
- Set burner adjustment
- Check combustion air
- Check fan blades for tightness