Testo Inc. has announced its “2013 Ultimate Contractor Collection Giveaway.” The company said the giveaway includes a selection of Testo products valued at more than $6,000 and will be awarded to one contractor at the close of the entry period.

Two combustion analyzers, models 310 and 320, can be used by HVAC techs for residential tuning and commercial applications. The 310 is a residential analyzer designed to measure flue gas, draft, ambient CO, and pressure, while the 320 is for residential and commercial boiler/burner tune-ups, service, and maintenance.

Enerac is introducing the new Model 500, a low-cost portable combustion analyzer that is hand held. The 500 features a metal case and is designed as an easy to use field workhorse that can be upgraded at any time.

The PCA®3 is the first advanced portable combustion analyzer with a vibrant full-color graphic display and the most sensor configurations, says the company.

The BTU900 high-efficiency residential combustion analyzer is designed to meet the growing needs for boiler and burner setups, servicing, and maintenance. It is a combustion analyzer for O2, CO, CO2, excess air, and efficiency.