Loading
My project.png

What is the Difference Between Blow Through and Draw Through?

3 MIN READ

This blog was guest written by Chris Leach, Applications Engineer. There are two main non-recirculating direct gas-fired heater designs for commercial and industrial applications and those are blow-through and draw-through. The main difference in these two systems is the location of the blower relative to the burner. While a simple difference, blow-through units provide multiple benefits for large industrial space heating driven applications. Blow-through, as defined by the DOE (Department of Energy) as HTHV (High Temperature Heating & Ventilation) and employed in our S-Series heaters, places the blower before the burner and benefits from a higher LAT (Leaving Air Temperature) and temperature rise (∆T). HTHV units are not limited by the fan components in the hot airstream and can safely discharge at the maximum allowable limit for CSA certified direct fired applications. Draw-through units place the blower after the burner and have a lower LAT and ∆T due to limitations of the fan components in the hot air stream. Each of these systems has a specific purpose for large industrial spaces. For heating driven applications, maximizing the BTU to CFM ratio maximizes efficiency ...

Read more

My project (1)2.jpg

The Right Solution For Industrial Cooling Lies Somewhere Between DX Cooling And HVLS Fans

2 MIN READ

Evaporative cooling can provide significant temperature relief at a fraction of the cost of mechanical cooling. Industrial settings - with much exhaust airflow for contaminants and a substantial footprint - can struggle to achieve clean and temperate indoor air conditions without expensive mechanical cooling systems. However, the sheer size of many of these facilities prices that technology out of the possible solution set. On the other end of the cooling option spectrum, HVLS fans tend to move the hot air around, dependent on contact cooling for temperature relief. The moving air from HVLS fans can help employees feel more comfortable but cannot address internal heat gains within a facility nor provide temperature relief. Somewhere between those two options stands evaporative cooling technology, which provides tempered make-up air while also improving indoor air quality with the usage of 100% outdoor air.    Two-Stage Evaporative Cooling Technology Shines in Industrial Facilities The Cambridge ESC-Series evaporative cooling unit is a semi-custom fabricated air handler that can utilize direct (DEC), indirect (IEC) evaporative cooling, or a combination of both indirect/direct (two-stage) evaporative cooling to meet specific usage ...

Read more

BurpingABuildingBlog.JPG

Whoever heard of burping a building?

2 MIN READ
We, at Cambridge are frequently involved with heating “spec” buildings. You know how it goes: a developer puts up the shell, pours the concrete slab, heats the building to a minimum temperature the closes it up with no plans for ventilation. At some point in the future, the developer signs up a tenant and proceeds with the tenant fit-out. That is where our story begins.

Read more

SSeriesThruWallTechBlog1.jpg

Cambridge Information Bulletin - Selection, Placement & Installation of an S-Series Unit - Thru Wall Mounting

2 MIN READ
Cambridge S-Series heaters can be installed in a variety of configurations. When considering industrial retrofit projects, there are several considerations that should be taken into account.

Read more

ESCSemiCustomTechNotes.jpg

Meeting Market Custom Cooling Demands with Cambridge Air Solution's ESC-Series

1 MIN READ
Cambridge Air Solutions is offering the two-stage ESC-Series to meet current market demands for custom cooling units in the industrial and commercial sectors.

Read more

TechNotesInfoBulletin_3.jpg

Cambridge Info Bulletin - Moisture in Buildings

3 MIN READ
In new construction, the primary source of moisture entering the building is most likely from the newly poured concrete slab. The National Ready Mixed Concrete Association (NRMCA) describes the ‘What’ and ‘How’ of concrete slab moisture in their 2004 Concrete in Practice publication CIP 28-Concrete Slab Moisture.

Read more

MakeupAirWithCooling.jpg

Cambridge M-Series Makeup Air with Evaporative Cooling

1 MIN READ
This video features our M-Series Makeup Air technology with evaporative cooling.

Read more

NoWeldingRequiredBlog.jpg

No Welding Required

2 MIN READ
For years we have worked with an industrial retrofit contractor. He often installed vertical S-Series heaters in locations where space was at a premium, both indoors and outdoors. Since Cambridge did not provide a stand for vertical units, he had a structural engineer design a four-legged stand made from 2” x 2” square tubing. The legs would be cut to length in the field and a base plate welded to the leg.

Read more