Solar Thermal/Geothermal

Stiebel Eltron electric tankless water heater for solar backup

Stiebel Eltron’s Tempra Plus whole-house tankless electric water heater is 99% efficient and features Advanced Flow Control


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A unique air-to-water heat pump system from a business entrepreneur

Air-to-water heat pumps extract low-temperature heat from outdoor air and deliver it to a stream of water.
The big guy doesn’t always win.


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Franklin Electric solar technology for water pumps

Franklin Electric’s SubDrive SolarPAK technology gives water pump installers and users the option to use solar as the power source on virtually any 4” well.

With SolarPAK’s variable-frequency drive, the pump produces water even on cloudy days or with minimal sunlight.


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Women in Plumbing: MacGregor Plumbing President Julie Wieman is focused on recruiting the next generation

Women in Plumbing: recruiting the next generation.

MacGregor Plumbing President Julie Wieman is focused on building her northern Michigan business — and the next generation of plumbers and heating techs.


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Energy Conservation Services solar hot water guidebook

Energy Conservation Services’ newly revised book, “Solar Hot Water Systems: Lessons Learned 1977 to Today,” includes practical knowledge to successfully install residential and commercial solar hot water and pool heating systems.

The Study Guide version to pass the North American Board of Certified Energy Practitioners Solar Thermal Exam includes a PowerPoint and more than 500 questions in the same multiple-choice style of the exam.


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SunTrac Solar sun-tracking panel

SunTrac Solar’s SmartPanel is a concentrating solar thermal panel with a computerized sun-tracking control system

RiteTemp monitors the temperature of heat transfer fluid as it leaves the panel, allowing the system to tune the mirrors and keep fluid temperatures and pressures in an optimum range.


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Geo-Flo geothermal hydraulic separator

Geo-Flo’s high density polyethylene hydraulic separator is designed specifically for geothermal heat pump systems.

An automatic air vent, blow-down valve and ball valve for connection to an expansion tank are included. The HDPE tank is installed in a heavy-gauge, powder-coated steel cabinet.


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Our industry needs more focus on distribution systems

It’s not all about the boiler.

As an industry, we have to move beyond judging the quality of a hydronic system based solely on the heat source.


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ACCA Conference highlights energy-efficient systems

The conference was held March 17-19 in Nashville, Tenn.

The 2014 ACCA Conference included a radiant and hydronics track sponsored by the group’s Radiant & Hydronics Council.


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Variable-capacity geothermal heat pump

WaterFurnace’s 7 Series geothermal heat pump surpasses both 41 EER and 5.3 Coefficient of Performance efficiencies.

The unit utilizes a soft-start variable-capacity compressor, in concert with a variable-speed ECM blower and variable-speed loop pump.


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2014 Truck of the Month

PM has featured so many great plumbing service trucks! See plenty of them here in our Truck Of The Month Archives page. Are you proud of your truck? Go to our Truck of the Month page to find out how your service truck could be chosen!

1/27/15 2:00 pm EST

Grow Your Business and Improve Operations with New Payment Technology

Attend this free webinar to learn how new developments in payment technology can help you close more jobs, increase upselling opportunities and improve operations.

Plumbing and Mechanical

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2014 December

The December issue is the 2015 B.I.G. Book!
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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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Truck of the Month

Truck of the month

Are you proud of how your service truck looks? Do the graphics give people whiplash as they drive by? Have your calls increased because people remember your truck — and your company name? If so, we’d like to see it, too! Click here to find out how your service truck could be chosen as PM's Truck of the Month.