Ray Wohlfarth: The Boiler Room

Are modulating burners worthwhile?

Consider low-high-low burners on your next replacement.

For years we have designed boiler rooms consisting of two oversized boilers with fully modulating burners. 

Read More

Two-pipe system

How to control such a system during the shoulder seasons.

A complaint building maintenance departments frequently hear is that the occupants are either too hot or too cold. In some instances, both complaints may come from the same room. 

Read More

Steam, the Original ‘Bad Boy’

Don’t approach steam like a hot water system.
Steam systems have the reputation of being the “bad boy” of the industry and I believe it may be unfounded. Many contractors will suggest replacing the steam system with a new system but it may be fiscally unrealistic to do so.
Read More

Boiler Jacket Loss

The International Energy Conservation Code addresses the controversial subject.
The International Energy Conservation Code addresses the controversial subject.
Read More

Understanding barometric dampers

Controlling boiler draft saves heat and reduces operating costs
One of the most misunderstood components inside a boiler room is the barometric damper, which is used to control the draft inside a boiler.

Read More

Boiler safety controls

Sorting out which controls do what.
Read More

Boiler choices

A hybrid boiler system combines efficiency with longevity.
Read More

Boiler room 'myths'

How many boilers does it take to keep occupants comfortable?
Read More

6 boiler replacement mistakes

These situations are commonly overlooked when replacing commercial steam boilers.
Read More

Using a flame safeguard control

Avoid potential boiler explosions with this safety device.
Read More



Image Galleries

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

cover sized correctly

2014 December

The December issue is the 2015 B.I.G. Book!
Table Of Contents Subscribe

Where do you look for new employees?

Where do you look for new employees?
View Results Poll Archive

The Plumbing and Mechanical Store

2015 National Plumbing & HVAC Estimator

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

More Products

Clear Seas Research

Clear Seas ResearchWith access to over one million professionals and more than 60 industry-specific publications,Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.


Connect to PM on Facebook Connect to PM on Twitter  Watch PM on YouTube    Connect to PM on Linked InGoogle+

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.