Water Mill house explosion

Emergency personnel respond to a house that exploded in Water Mill on Feb. 11, 2015 in what authorities believe started with a gas-fueled ignition.

Emergency personnel respond to the scene in Water Mill where a house exploded on Feb. 11, 2015. Two were injured.

Emergency workers respond to the explosion of a two-story house on Old Country Road by Montauk Highway in Water Mill on Feb. 11, 2015.

Emergency workers tend to the scene in Water Mill where a two-story house exploded on Feb. 11, 2015. Officials said two workers suffered serious burns and the blast also blew out windows and doors at a nearby condominium complex.

Emergency personnel respond to a house explosion in Water Mill that left two workers badly burned, on Feb. 11, 2015.

The explosion of a two-story house in Water Mill is visible following the blast on Feb. 11, 2015.

Emergency personnel respond to a house explosion in Water Mill on Feb. 11, 2015, that left two workers badly burned.

The blast from the Water Mill house explosion on Feb. 11, 2015 can be seen from a distance. The house was destroyed and two men who had been working in the house were hospitalized with burns.

A house exploded in Water Mill on Wednesday, Feb. 11, 2015 and injured two construction workers in what authorities believe was a gas-fueled ignition, Southampton Town police said.

An aerial view of the explosion in Water Mill on Feb. 11, 2015 that destroyed a house and injured two construction workers.

A house exploded in Water Mill Wednesday, Feb. 11, 2015 and injured two construction workers in what authorities believe was a gas-fueled ignition, Southampton Town police said.