From field experience to the classroom, one NCI instructor shares an important lesson about combustion analysis, technician training and the value of hands-on learning.
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Learning Resources

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Modern multifamily buildings are becoming smaller and more airtight, increasing the need for compact, efficient HVAC systems that match each space’s heating and cooling ...
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See how Daikin VRV EMERION R-32 helps meet the demands of modern office buildings with precise zoning, energy-efficient operation, and innovative R-32 technology.
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Offer your customers a simple solution to their commercial refrigeration and HVACR needs with easy-to-use remote monitoring.
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Discover how mechanical contractors can confidently lead client conversations around decarbonization and electrified heating solutions for new and existing buildings. Gain practical...
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Podcast

Residential HVAC

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As 2027 approaches, HVACR contractors face a range of business challenges. What's your biggest concern heading into the new year?
Nov. 3, 2026
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The HVAC systems going into homes are changing. Modulating equipment, dual-fuel systems, and heat pumps are giving contractors new ways to deliver efficient, precise comfort, ...
Nov. 1, 2026
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HVAC Chats
HVAC sales ethics and customer trust are central to this discussion of permission-based selling, transparent communication and stronger homeowner relationships.
Oct. 28, 2026
Dual fuel isn’t simply a transition to electrification—it can be a profitable, long-term HVAC solution for homes that already have natural gas, according to Midea’s David Rames...
Oct. 19, 2026

Commercial HVAC

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A Chicago school combined geothermal heat pumps, radiant heating and high-efficiency hydronic pumps to reduce energy demand while creating a model for sustainable building design...
Oct. 21, 2026
Old World Industries
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AI data centers face increasing cooling demands, prompting Old World Industries and Integrity Systems to combine coolant expertise with real-time diagnostics.
Oct. 14, 2026
Lennox National Account Services has trained nearly 1,600 technicians since 2016 through programs designed to strengthen the commercial HVAC workforce.
Sept. 3, 2026
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Data center cooling and building decarbonization are emerging as major demand drivers as commercial HVAC investment expands.
Aug. 21, 2026

IAQ & Ventilation

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A controlled study of 90 adults linked short-term indoor PM2.5 exposure to poorer attention and memory performance and lower heart rate variability.
Oct. 22, 2026
The habits new HVAC technicians learn today will shape the industry tomorrow, making mentorship, hands-on training and proper system diagnostics more important than ever.
Oct. 20, 2026
Why relative humidity belongs in every contractor’s indoor air quality playbook,
Oct. 12, 2026
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Dominick Guarino discusses why understanding building science is essential to high-performance HVAC and how contractors can begin applying it.
Oct. 2, 2026

Refrigeration

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Forane 516A is non-ozone depleting and EPA Significant New Alternatives Policy (SNAP) Program-approved.
Oct. 14, 2026
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R-454B is expected to be the second-fastest-growing A2L refrigerant as demand increases for lower-GWP options in air conditioning and heat pumps.
Oct. 8, 2026
Free summits and workshop will help refrigeration technicians build CO2 and propane proficiency.
Oct. 8, 2026
How proper installation, startup and commissioning establish the foundation for long-term CO₂ refrigeration system performance.
Oct. 8, 2026

Product News

The NMA1 measures O₂, CO, flue gas temperature and differential pressure, while calculating combustion efficiency, CO₂, excess air and flue gas loss.
Nov. 3, 2026
A new exclusive North American partnership between DiversiTech and Respiro introduces contractors to a carbon monoxide shutoff solution for fuel-burning heating equipment.
Nov. 3, 2026
Watts Water Technologies
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The 294BAC helps projects meet BACnet specifications while providing boiler system data access for building automation, management and third-party monitoring and analytics solutions...
Nov. 3, 2026
With robust heating and hot water capabilities, the NCB700 can be cascaded with tankless water heaters for increased capacity, and its innovative design ensures quieter operation...
Oct. 22, 2026