Air-Source Heat Pumps

High efficiency air source heat pumps are proving their worth for cold climate heating and cooling.

Towards Perpetual Motion Machines-Part 3

A 3-part series on sustainable comfort systems for heating and cooling homes using passive solar design, solar electric power, system controllers and newly popular heat pump technology.

Towards Perpetual Motion Machines - Part 2 of 3

A three-part series on sustainable comfort systems for heating and cooling homes using passive solar design, solar electric power, system controllers and newly popular heat pump technology.