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When a NATE (North American Technician Excellence) Certified and Insured SUNN Corp Service Technician visits your home or business, you can rest assured that you are in the best of hands. NATE is the leading Certification Program for the HVAC/R (Heating, Ventilation, Air Conditioning and Refrigeration) Industry.

Below you will find many of the operations and potential problems that your SUNN Corp Technician will check for:


1. Test for Carbon Monoxide

2. Cycle unit at Thermostat

3. Furnace noise level normal

4. Check Furnace air filter

5. Visually inspect heat exchanger

6. Clean cells and cabinet

7. Clean burners

8. Check venting configuration

9. Check air intake capability

10. Check limit control

11. Check fan control

12. Check for gas leaks

13. Oil all motors with ports

14. Check plenum temperature

15. Check air flow and register temperature

16. Check operation of humidifier

 

 

 



1. Check A/C at Thermostat

2. Check Furnace Filter

3. Furnace noise level normal

4. A/C Unit noise level normal

5. Check evaporator drainage

6. Check refrigerant pressures

7. Check all A/C components amp draw

8. Check capacitors for leakage and expansion

9. Check all electrical connections

10. Check wall disconnect

11. Check fuse condition and size

12. Check contactor

13. Clean condenser coil

14. Check air flow and temp at register

15. Set humidifier to summer position

16. Check condensate pump operation

Contact Us today to learn how SUNN Corp can keep your Heating and Cooling Systems operating properly and efficiently!
 

MD License #5090 HVACR Category 1
DC License #781000721 AC Refridgeration
VA License #Class A HVAGF 270037275
WSSC Master Gas Fitter REG#71762
Maryland State Master Gas Fitter REG#71948
Anne Arundel Cty Master HVAC Mechanical#2142
Maryland State Propane Gas Fitter Cert #78643
City of Rockville #GAS-0001562


We accept most major credit cards and financing is available.


 
 
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