This table is detailed and requires some effort,
but should accurately estimate the actual benefit you will receive from
Ols Controls' individual temperature control system.
| Total
Savings from all Sources |
$448.91
|
$104.54
|
$ 34.50
|
$
|
| (per office, per month) |
high savings
|
median savings
|
low savings
|
Your Savings
|
|
|
|
|
| 1.) Reduce Out-of-Pocket
Costs |
|
|
|
|
| Savings / office
/ month |
$ 40.91
|
$ 18.84
|
$
4.59
|
$
|
| |
|
|
| Wasted HVAC Fuel |
High Waste
|
Med. Waste
|
Low Waste
|
Your Waste
|
| · Avg% workers away
(can turn off HVAC) during day |
35% |
25% |
5% |
|
| (Sales calls, lunch, meetings, etc. --
Especially with automatic Motion Sensor) |
|
|
| · HVAC not synchronized
with employee Flextime |
27% |
21% |
10% |
|
| (e.g.: 9hr avg workday, but HVAC on 12hrs
from 7am-7pm --> 33% add'l waste) |
|
|
| · Discretionary Vacations
(1-4 weeks / year) |
7.5% |
5% |
2% |
|
| · Business Travel,
Offsites, Sick/Personal time-off, |
6% |
4% |
2% |
|
| · Offices/areas always
unoccupied |
15% |
5% |
2% |
|
| · Conf rooms/2nd offices/etc
sometimes unoccupied |
15% |
5% |
2% |
|
| · Eliminate fan staying
"On", per standard VAVs |
10% |
5% |
2% |
|
| · Reduce inefficient
space heater use (esp Summer!) |
3% |
1.5% |
0% |
|
| · Reduce hood (chemical,
cooking) flow when unused |
5% |
0.5% |
0% |
|
| Wasted Airflow to Unneeded
Areas/Periods |
80% |
58% |
23% |
|
| Minus add'l
25% Airflow in Adjoining Areas/Periods |
-20% |
-15% |
-5.8% |
|
| Net Reduced Airflow
& Energy Usuage |
60.0% |
43.9% |
17.4% |
|
| Times average office size (square
feet) |
100
|
75
|
50
|
|
| Times HVAC energy cost
/ month ($$ /sqft /mo) (**) |
$ 0.60
|
$ 0.50
|
$ 0.40
|
|
| Fuel Saving / office / month |
$ 35.98
|
$ 16.50
|
$
3.48
|
$
|
| |
|
|
| Wasted HVAC Maintenance |
|
|
| · # months between
trips to adjust Thermostat /office |
48
|
60
|
72
|
|
| Cost
per trip |
$ 130.00
|
$ 90.00
|
$ 60.00
|
|
| Maintenance Saving / office / month
|
$
2.71
|
$ 1.50
|
$
0.83
|
$
|
| |
|
|
| Wasted HVAC Equipment
Costs |
|
|
| · Lower upfront cost
for smaller equipment OR |
20% |
15% |
10% |
|
| longer equipment life due to less equipment stress |
|
|
| Avg HVAC equip cost
/ office (assume 15 yr life) |
$ 2,000
|
$ 1,000
|
$ 500
|
|
| Equipment Savings / office / month
|
$ 2.22
|
$ 0.83
|
$ 0.28
|
$
|
| (**) US avg HVAC energy cost = $0.5016 / sqft
/ month. Platts Research &
Consulting Div of McGraw-Hill 2003 |
|
|
| 2.)
Increase Productivity, Revenue & Comfort |
|
|
|
| Savings / office
/ month |
$ 408.00
|
$ 85.71
|
$ 29.92
|
$
|
| |
|
|
|
| Productivity Gains
(minutes of add'l work / day) |
High Gains
|
Med. Gains
|
Low Gains
|
Your Gains
|
| · Work better (physically
energized & concentrating) |
8 |
3 |
1 |
|
| · Less downtime/day:
fatigue, breaks, complaints, ... |
8 |
3 |
2 |
|
| · Work more days
(reduce PTO by 2, 1, .5 days/yr) |
4 |
2 |
1 |
|
| · Work longer each
day |
|
|
| -
arrive earlier mornings |
2 |
1 |
0.5 |
|
| - leave later evenings |
3 |
1 |
0.5 |
|
| - work more / longer weekends |
2 |
1 |
0.5 |
|
| Total Productivity
Gain: minutes / day |
27 |
11 |
6 |
|
| Times fully loaded
avg. salary: $$ / month |
$ 6,000
|
$ 3,000
|
$ 2,000
|
|
| Productivity Gains: $$ / month |
$ 300.00
|
$ 64.71
|
$ 22.92
|
$
|
| |
|
|
| |
|
|
| Comfort Gains (percentage
of employee salary) |
|
|
| · Employee recruitment
& retention --"The Company cares" |
0.2% |
0.1% |
0.05% |
|
| · Better meetings in
conf rooms (temp, O2, humidity) |
0.3% |
0.2% |
0.1% |
|
| · Better prestige for
customers/partners |
1.0% |
0.2% |
0.1% |
|
| · Employees in better
moods, positive at and wrt job |
0.3% |
0.2% |
0.1% |
|
| Total Comfort Gain
(% of salary) |
1.8% |
0.7% |
0.35% |
|
| Times fully loaded
avg. salary: $$ / month |
$ 6,000
|
$ 3,000
|
$ 2,000
|
|
| Comfort Gains / month |
$ 108.00
|
$ 21.00
|
$ 7.00
|
$
|
|
|
|
|
|
Approach
