-
Interview the homeowner.
-
Perform
a walk around interior inspection.
-
Measure
home (i.e. room sizes, ceiling heights, window and door sizing and location,
etc.).
-
Gather
existing HVAC equipment nameplate data.
-
Note
size and location of existing supply air registers.
-
Note
size and location of existing return air grille(s).
-
Note
condition of air filters.
-
Note
location of existing thermostat(s).
-
Note
size and location of existing exhaust fans.
-
Measure
existing airflow at each register and total airflow at the air handler.
-
Measure
external static pressure across the indoor fan, the cooling coil, the return
air duct system and the supply air duct system.
-
Perform
a general inspection of the HVAC and exhaust systems installation.
-
Make an
As-Built duct sizing and duct routing schematic of existing supply air and
return air duct systems.
-
Inspect
duct connections.
-
Inspect
safety pans, condensate lines and safety drains for proper installation and
drainage.
-
Document findings.
-
Perform
a Manual J computerized room-by-room heat gain/heat loss calculations in
accordance with the construction documents and the true home orientation.
-
Verify
HVAC equipment selection.
-
Overlay
the existing air delivery and air distribution systems onto a Manual D
layout for comparison to calculated air delivery requirements.
-
Compare
existing exhaust and ventilation systems with desired exhaust and
ventilation requirements.
-
Design
the necessary duct modifications and/or additions to meet the air delivery
and air distribution requirements (if required).
-
Calculate the exhaust requirements (air changes) for bathrooms and laundry
rooms.
-
Calculate the makeup air requirements.
-
Prepare
retrofit drawings and specifications.
-
Prepare
an estimated cost.
-
Prepare
and submit a written report of findings and recommendations.
-
Review
finding and recommendations with homeowner.