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Heat Exchanger Types and Where to Use Them: Part 1 – Shell & Tube

Norm Hall June 20, 2022Monday Morning Minutes, Boilers, Heat Exchangers, Selection and Specification, Piping and Installation

There are a variety of unfired liquid to liquid and steam to liquid heat exchangers for the engineer to choose from. The Gasketed Plate, Brazed …

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Heat ExchangersNorm HallBell and GossettHVAC Systems

Hot Water Heater Decarbonization: Using Condenser Water to Pre-Heat the Incoming Cold-Water

Norm Hall June 13, 2022Monday Morning Minutes, Water Heaters, Plumbing System Design, Heating

Decarbonization does not always automatically become electrification. The enterprising engineer will first look at diverse ways to reduce the carbon use. Here is an example …

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Heat ExchangersCondensingWater HeatersHydronicsNorm HallBell and Gossett
bryan bh boiler
bryan bh boiler

Top 10 Things You Should Know About Commercial Electric Boilers (Part 2)

Norm Hall June 6, 2022Monday Morning Minutes, Boilers, Electrical

Welcome back to Part Two of our top 10 things to know about commercial electric boilers. As mentioned last week, HVAC and Plumbing Engineers are …

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BoilersHydronicsNorm Hallhydronic systemsHVAC Hydronic Systemhydronic systemHVAC Systems
bryan bh boiler
bryan bh boiler

Top 10 Things You Should Know About Commercial Electric Boilers (Part 1)

Norm Hall May 30, 2022Operation, Monday Morning Minutes, Boilers, Condensing

HVAC and Plumbing Engineers are discussing more decarbonization and electrification of systems with their clients. The use of electric boilers vs. gas fired condensing boilers …

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BoilersCondensingHydronicsNorm Hallhydronic systemsHVAC Hydronic Systemhydronic system
lightbulb
lightbulb

Carbon Reduction is the Dream. Here’s How to Make it a Good One.

Norm Hall May 23, 2022Plumbing System Design, Hydronic Design, Decarbonzation, Decarbonization

Carbon reduction in building design is critical to the lifestyle of our future generations. Most engineers and their owner clients understand the concerns and welcome …

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decarbonizationHydronicsPumpsNorm Hallhydronic systems
boiler
boiler

What is a Flexible Tube Condensing Boiler? Why My Client May Want It

Norm Hall May 16, 2022Condensing, Selection and Specification, Monday Morning Minutes, Boilers

Heating and cooling service contractors take the brunt of complaints over the high cost of condensing boiler repairs. A high efficiency condensing boiler heat exchanger …

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BoilersCondensingHydronicsNorm Hallhydronic systems
scientist vs engineer
scientist vs engineer

Circulator Pump Curves & Step Sized Selections. A Domestic Water Recirculation Example

Norm Hall May 9, 2022Pumps, Speed, Monday Morning Minutes

Circulator series pumps are those small inline pumps that have fixed impeller choices with no impeller trimming available. When these pumps have ECM technology, the …

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Bell and GossettpumpsBoilersHydronicsNorm Hall
how to place boiler image
how to place boiler image

Primary-Secondary or Primary-Variable Heating Systems: Which System to Choose?

Norm Hall May 2, 2022Boilers, Primary Secondary, Delta T, Monday Morning Minutes

Primary-Secondary vs. Primary-Variable hydronic boiler pumping systems each have advantages for the engineer to consider. Most people in the industry are in one camp or …

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pumpsprimary secondary prinicplesprimary variable flow systemDelta TBoilersNorm HallBell and Gossettflow rate
confused boiler problem
confused boiler problem

Primary Variable Heating Systems: Should I Pump Into the Boiler or Out of It?

Norm Hall April 11, 2022Monday Morning Minutes, Tanks, Hydronic Design, Primary Variable, Expansion and Compression Tanks, Expansion and Compression Tanks, Boilers, Pumps

We recently received several calls for our recommendation on whether to pump into the boiler or out of the boiler in a primary variable heating …

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BoilersHydronicsNorm HallBell and GossettExpansion Tankspumpsvariable speedhydronic systems
steam exiting
steam exiting

What to Do with Steam Leaving a Flash Tank: Simple Example

Norm Hall April 4, 2022Monday Morning Minutes, Steam, Tanks, Flash Tanks, Flash Steam

We received a call from one of our wholesalers with an industrial customer experiencing a flash tank issue. The industrial customer was using 50 PSIG …

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SteamBoilersNorm HallPSIGcondensate unit size
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