div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=hf-7-3-2020-rev3-proof-732020-heating-cooling-from-the-ground-up-ahtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: HF 7 3 2020 rev3 proof - hartnesslivingcom · 732020 · Heating Cooling from the Ground Up A geothermal heat pump is the greenest most efficient and cost effective heating loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220428115fa8c8febb223730724d0c91html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=hf-7-3-2020-rev3-proof-732020-heating-cooling-from-the-ground-up-ahtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: HF 7 3 2020 rev3 proof - hartnesslivingcom · 732020 · Heating Cooling from the Ground Up A geothermal heat pump is the greenest most efficient and cost effective heating loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220428115fa8c8febb223730724d0c91html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=hf-7-3-2020-rev3-proof-732020-heating-cooling-from-the-ground-up-ahtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: HF 7 3 2020 rev3 proof - hartnesslivingcom · 732020 · Heating Cooling from the Ground Up A geothermal heat pump is the greenest most efficient and cost effective heating loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsmxreader034viewer20220428115fa8c8febb223730724d0c91html5thumbnails3jpg width=140 height=200 divdiv
