AskRod Blog | Expert Insights on Solar and Heating Systems

Is your drainback tank sight glass cracked? Here’s the solution

Here’s a service tip for those whose systems use an HTP drainback tank – specifically on the maintenance or replacement...

Before you get to the exciting part, you’ll need a few basic details about your system. Here are some good...

As you get ready to design a solar thermal system for your home, there’s one factor you may not be...

Other posts have discussed light commercial systems for restaurants and other similar businesses. But what if you need a solar...

I’m asked, more and more, to provide a solar hot water system design for light commercial systems. There is, indeed,...

Pressure or drainback? That’s probably the question I get asked more than any other: Should I choose the more popular...

In recent years, I published a chart that helps size a solar hot water system for your home, but after...

Here’s a new concept for commercial solar: a 250,000-Btu tankless water heater. It comes down to this simple philosophy: Don’t...

Today, as part of our ongoing series of basic solar designs, we look at a drainback system using an efficient...

Do you need a more efficient (and expensive) modulating condensing boiler if you have baseboards? That was the question posed...

By Tom Scheel Red vs. Blue. Tastes Great vs. Less Filling. Kirk vs. Picard. Epic battles for which there really...

Out with the old (over complicated, expensive solar). In with the new (better and more efficient solar at lower cost)....