Featured Products

Trade in any brand of combustion analyzer
Upgrade to the Seitron Novo-1 or Novo-1P (available with or without printer) and get:
• $50 Amazon Gift Card
• FREE Be-Safe CO Personal Monitor

RLE Technologies has become a leader in leak detection and facility monitoring solutions, providing peace of mind to facility managers, integrators, and building owners. From commercial buildings and data centers to industrial facilities,

Combustion and emission analyzers are essential tools for ensuring the efficiency and safety of heating systems. These devices measure key parameters like oxygen (O₂), carbon monoxide (CO), carbon dioxide (CO₂), and flue gas temperature—helping technicians fine-tune burners, boilers, and furnaces.

The new VAV14-IP, a configurable and freely programmable VAV controller with a built-in damper actuator and differential pressure sensor, is available now from iSMA CONTROLLI.

Norgas gas regulators are reliable, versatile, and ideal for a wide range of gas systems. A Norgas gas regulator is a device that controls gas pressure coming from a supply line - like natural gas or propane - so it can safely and efficiently power your appliances.

Get your Combustion Analyzer (any brand) in for Service & Calibration between July 1st and July 31st you will get 10% off as well as entered to win a FREE personal CO Detector.

The TR-LC is a highly functional, large modular tool roll designed for job sites and roadside repairs. It features a mountable design with a hanging hook to keep it off the ground and out of the mud.

Running from March 1st through May 31st, 2025 you can buy any Tier 1 product and get a FREE SP-MC bag OR buy any Tier 2 product and get a FREE SC45 bag from VETO PRO PAC!

We are now proud partners of iSMA Controlli and have many items in stock and others available to ship with quick lead times.

Lowest turn on in the industry (as low as 30 mA), no more wire wraps
Resolution down to 5 mA for on/off state difference, eliminate costly call-backs
Tool-free adjustment with LED indication, save time with fast installation
Better than using Analog sensors, no more panel programming required.

The Prolon ProPacks are designed for HVAC contractors who prioritize efficiency and precision in every installation. These grab-and-go kits are equipped with all the essential components needed to streamline the most common HVAC installations, ensuring that you have exactly what you need when you need it.