Know Your Options
Power is the heartbeat of your EMS vehicle. From life-saving equipment to climate control, it all runs on one of these systems. The question isn’t “what’s best?” — it’s “what’s best for you?”
We’re here to help you cut through the noise and pick the solution that fits your operation, your budget, and your team.
Power System Comparison
Idle Reduction
Operator Controlled
No
Automated (40–50%)
Upfront Cost
$
$$
$$$
Annual Fuel Cost
$4,850
Negligible
40–50% fuel savings
Preventive Maintenance
Oil and filter change every 150 Onan hrs
Generator refurbishment every 2,500 engine hrs
Alternator replacement every 3–7 mo
Install Complexity
Easy
Moderate
Complex
Support & Documentation
Wide network
Limited
Limited
Typical Fleet Uptake¹
49% share
44% share
7% share
Time in Market
30+ years
10+ years
5+ years
Quick Comparison
hPower
Ideal if you need:
Considerations:
MEPS
Ideal if you need:
Considerations:
Onan
Ideal if you need:
Considerations:
What Are Other EMS Agencies Choosing?
Power System
% of Frazer Customers
Why They Chose It
Onan
49%
Proven reliability, ease of service, and broad mechanic familiarity
MEPS
44%
Lower fuel use, compact install, balanced performance
hPower
7%
Quiet operation, idle-free, future-ready design