Articles


June 10, 2013 VRF Technology – Contracting Business Magazine Article

VRF Technology

Variable Refrigerant Flow (VRF) is a technology introduced as a system to minimize efficiency losses found in conventional HVAC systems and provide sustainable energy benefits.

“Variable refrigerant flow comfort systems...

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April 6, 2011 Radiant Heat – Then and Now

Riscaldamento Radiante
Radiant Heat – Then and Now

THE ROMAN INFLUENCE
ON TODAY’S RADIANT HEAT TECHNOLOGY

So many of the things we use everyday have been influenced by...

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March 30, 2011 Weather-Responsive Controls (Outdoor Reset Controls)

WEATHER-RESPONSIVE CONTROLS AND LOW-TEMPERATURE BOILERS

Heat Loss

Total heat loss is calculated in British thermal units per hour (Btuh). As an example, let’s assume that a 3,800 square foot house has a...

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March 11, 2011 Twelve Commandments of Comfort

The article below is reprinted courtesy of RST Thermal.

...

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Latest Press Releases


  • August 26, 2016 TJ’s Viessmann Boiler Rebates – Fall 2016

    Up to $500 Available in TJ’s Viessmann Boiler Rebates

    TJ’s is teaming up with Viessmann again this year to offer boiler rebates on the entire Viessmann residential product line.

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