On Site Energy deploys a newly designed 512,000 BTU electric heater

150 kW heaters are smaller & hundreds of pounds lighter than previous design, making movement around job sites much easier.

Southampton is getting a new Post Office, On Site Energy provides temporary heat during construction.

Indirect oil fired heater with a 290 gallon double wall external fuel tank provides heat for several months during construction.

Four large indirect oil fired heaters warming a temporary shelter after Hurricane Sandy

Indirect oil fired (vented) heaters in use during new construction at Creedmore

Diesel fuel vented heaters from OSEC heat buildings during wall and floor finishing work

Indirect natural gas fueled heaters in use

400,000 BTU heaters provide very safe clean heat to a large warehouse.

OSEC provides four Trane Voyagers during reconstruction

Voyagers provide heat and cooling to office space during building renovations.

150kW electric heaters & 300kW generator provide emergency heat

Heaters & a generator rented to keep a home from freezing after a boiler room fire.

20 ton air handlers using steam to provide heat during construction

Tent provides temporary shelter for vehicle repairs, On Site Energy keeps it warm and bright

40 kW heaters & 150 kW heaters keep the heat on during repairs in a temporary garage

150 kW electric heater used for Foot Locker renovation project in New York City

Large BTU heater allows the construction to move forward without freezing

Protecting a warehouse sprinkler system from freezing when gas service to the building was interrupted.

Two 150 kW heaters in the warehouse and several 18 kW heaters in the office space kept the building warm, providing business as usual

Natural gas direct fired one million BTU heaters in use

OSEC supplies natural gas fired heaters during a renovation.

400,000 BTU indirect diesel fired heater with 275 gallon fuel storage tank in use

Clean heat maintains the temperature of warehouse space during frigid conditions

One million BTU indirect oil fired heaters provide clean, fume free heat during new construction.

Indirect oil fired heater, UL Listed, used during LEED construction site work. On Site Energy’s 1.0 million BTU heaters are more than 90% efficient.

61,400 BTU heaters provide emergency service at a retail store

Heaters

Temporary electric heat for a four story building

40 kW electric heaters supply hot air to the return sections of air handlers to spread heat throughout the existing ductwork & building

OSEC clean heating equipment at work

Indirect fired heaters using #2 fuel provide fume free heat in a variety of applications.

18 kW heaters at a soon to be famous NYC address

OSEC provides construction heat to a NYC fashion designer during construction.

Temporary Heat for Flea Market

Indirect fired heaters using #2 fuel provide fume free heat in a variety of applications.

Radiant heaters at work during new construction

Quiet, fume free 140,000 BTU diesel radiant heaters run for 15 hours between re-fueling, operating on different floors of a NYC building under construction

Warming high voltage power cable prior to deployment & installation

OSEC 18 kW heaters & generators being used to keep cable warm on the spools.

Radiant Heat in New York City

Electric radiant heat is safe and causes no fumes. Perfect for NYC, where propane is not allowed at events.

Emergency electric heat for a drug store delivered on a Sunday afternoon

18 kW electric heaters distributed around a drug store when the rooftop heating system failed - the employees say OSEC's heaters make it warmer than it had been for years !!!

Cedar Creek uses 20 ton air handlers from OSEC to heat a building economically

Hot water from Cedar Creek

Temporary Power for a Greenhouse

OSEC provides temporary heat, generator sets and power distribution for a greenhouse after a water main break.

20 ton Air Handlers providing 1.2 million BTU's of clean heat to a warehouse

OSEC offers the most economical systems in the United States to satisfy large heat requirements with 20 & 100 ton hot water and steam coil air handlers.

OSEC provides temporary heat to a gymnasium in New York City

150 kW heater and generator provide heat when the buildings boiler failed.

OSEC's electric heaters working to finish the building's interior

18 kW & 40 kW heaters, distribution panels & extension cords allow the finishing work to continue.

OSEC provides heat to a NYC tent event

Indirect oil fired heaters with 280 gallon fuel tank provide heat for the Holidays in NYC.

SUNY Stony Brook utilizes temporary electric heaters from On Site Energy

18 kW heaters running at 208 volts, & a 500 kW generator set providing power, provide a warm, fume free working environment.

Radiant Heat at the bookstore

Electric radiant heat used at the front entrance to the store.

OSEC provides clean heat to a Horse Stable

Two 198,000 BTU indirect oil fired heaters with auxiliary tanks, keep the temperature stable in the barn.

100 HP boiler supplied by OSEC

OSEC rents a 100 HP boiler to supply emergency heat after the facilities boiler room flooded.

150 HP boiler rented by OSEC

OSEC rents a portable temporary boiler while a school district replaces existing boilers with new ones.

80 HP temporary boiler working in NYC

OSEC provides a hot water boiler at the same location OSEC provided a temporary chiller during the summer months.

30 HP hot water boiler & 500 gallon fuel tank supplied by OSEC

The school needed heat urgently, OSEC worked all night to make sure the heat was on when the kids showed up for class the next day.