ACHR News
search
Ask ACHR NEWS AI
cart
facebook twitter instagram linkedin youtube
  • Sign In
  • Subscribe
  • Sign Out
  • My Account
ACHR News
  • NEWS
    • Breaking News
    • New HVAC Products
    • Featured Products
    • Manufacturer Reports
    • HVAC Data
    • Legislation
    • ACHR NEWS Centennial
  • RESIDENTIAL
    • Air Conditioners
    • Furnaces
    • Residential Heat Pumps
    • Ductless
    • Residential IAQ
    • Testing, Monitoring, Tools
    • Components & Accessories
  • COMMERCIAL
    • Air Handlers
    • Rooftop Units
    • Chillers and Cooling Towers
    • Commercial Heat Pumps
    • Boilers and Hydronics
    • VRF/Ductless
    • Commercial IAQ
  • REFRIGERATION
    • Refrigerants
    • Refrigerant Regulations
    • Leak Management
  • CONTRACTOR PRO
    • Geothermal
    • Homeowner Study
    • VRF and VRV Ductless
    • Unitary Trends
  • EDUCATION
    • Training and Education
    • Business Management
    • Service and Maintenance
    • Continuing Education
    • Market Research >
      • HVAC Brand Awareness Report
      • VRV, VRF, VRVZ Report
      • Unitary Trends Report
      • Water Heat Professionals Report
    • Webinars
    • Sponsor Insights
    • eProducts Info
    • White Papers
  • EVENTS
    • HVAC Contractor Forum
    • Industry Events and Webinars
  • MEDIA
    • Videos
    • AHR Expo 2025 Videos
    • Podcasts >
      • ACHR News Podcast
      • HARDI Podcasts
      • AHR Expo Podcasts
      • ACCA Podcasts
    • Interactive Spotlights
    • Quizzes
    • eBooks
    • HVAC Talkback
  • HVAC GROUP
    • ACHR NEWS >
      • Current Issue
      • Digital Edition
      • Subscribe
    • Distribution Trends
    • SNIPS NEWS >
      • Join SNIPS NEWS
    • Engineered Systems News >
      • Join ES News
    • HVACR Directory
    • Contests
    • Newsletters
    • Contact
    • Advertise
    • My Account
Home » Topics » HVAC Contracting » Technical

Technical
Technical RSS Feed RSS

Centralized Control Improves HVAC Operational Efficiency

Challenging application required a custom solution
November 23, 2015

For the inhabitants of a five-story building in New York City, the heating and cooling system had surpassed the point of discomfort. After an extensive remodel and update of the building, the one detail that had been left untouched was the control integration of the HVAC system.


Read More

How to Provide the Best-Cost, Not Least-Cost, Option on New and Retrofit ERVs

The wheel potentially makes the difference in performance
Len Kobylus
November 9, 2015

Selling end-users just an energy recovery ventilator (ERV) without realizing the options or wheel’s long-term performance benefits cheats a facility out its full energy-saving potential, which is ironically the premise for energy recovery in the first place.


Read More

The Basics of Combined Heat and Power

An overview of CHP systems and their benefits
October 19, 2015

Combined heat and power (CHP), also known as cogeneration, is the simultaneous production of electricity and heat from a single fuel source, such as: natural gas, biomass, biogas, coal, waste heat, or oil. CHP is not a single technology, but an integrated energy system that can be modified depending upon the needs of the end user.


Read More

Self-Generating Energy Helps California Avoid Blackouts, Lower GHGs

Flow and power monitoring key to a successful program
Jack Sine
October 5, 2015

If you remember the rolling blackouts suffered by Californians in the years 2000 and 2001, you may also remember that they cost companies in excess of $50 billion in lost manufacturing capacity and sales. What you may not remember is the good that came out of that disaster.


Read More

Boiling Down Boiler Efficiency

Seasonal efficiency is one of the most important measurements
John Kopf
September 21, 2015

Boiler efficiency is an important factor in selecting a space heating boiler, but what does “boiler efficiency” really mean? In selecting the right boiler for a commercial application, it is important to understand the difference between the various types of boiler efficiencies.


Read More

Both Energy Efficiency and IAQ Are Goals at Net-Zero Energy House

Focusing on only one can come at the cost of the other
September 7, 2015

The National Institute of Standards and Technology (NIST) says you can breathe easy in its net-zero energy house. After 15 months of monitoring, researchers report that even with its airtight construction, IAQ in the two-story home that serves as a laboratory is better than the IAQ in new, conventionally built houses.


Read More

Can We End the Thermostat Wars?

Office workers complain it’s too hot or too cold; it’s hard to make it just right
Greg Mazurkiewicz
August 17, 2015

The so-called “thermostat wars” in office buildings have been written about in both the consumer and trade media. Some in the office say it’s too hot. Others say it’s too cold. Building operators, and their HVAC contractors, try to find a satisfactory solution, but it’s elusive, as shown in a study by Software Advice.


Read More

Chiller Upgrade Provides Energy Efficient Data Center

Waste Management is seeing about a 100 kWh drop in monthly power utilization
August 3, 2015

Data centers continue to evolve and become more efficient. The need for efficient HVAC is essential to ensure cost-effective, reliable operation given servers generate significant amounts of heat. As part of a facility upgrade, Waste Management replaced its chiller plants to serve its production data center facility in Austin, Texas.


Read More

Ladder Safety Quick Tips

Follow these tips to avoid injury
July 20, 2015

Falls from portable ladders (step, straight, combination, and extension) are one of the leading causes of occupational injuries and fatalities. The following are some quick tips from the Occupational Safety and Health Administration (OSHA) on ladder safety.


Read More

Making Net Zero Energy Retrofits a Market Reality

The renovation of the home utilizes such elements as solar and prefabricated panels and is designed to be executed quickly
July 6, 2015

A Netherlands-based consortium called Energiesprong brokered a deal between affordable housing associations and builders to retrofit 111,000 homes in the Netherlands to net zero energy levels. Net zero energy means that, on an annual basis, a home does not consume more energy than it produces.


Read More
Previous 1 2 … 11 12 13 14 15 16 17 18 19 … 46 47 Next
Subscription Center
  • Create an Account
  • Start a Subscription
  • Manage My Account
  • Sign Up for Newsletters
  • Visit Customer Service
  • Update Preferences

More Videos

Sponsored Content

Sponsored Content is a special paid section where industry companies provide high quality, objective, non-commercial content around topics of interest to The News audience. All Sponsored Content is supplied by the advertising company and any opinions expressed in this article are those of the author and not necessarily reflect the views of The News or its parent company, BNP Media. Interested in participating in our Sponsored Content section? Contact your local rep!

close
  • An illustration shows a house with a geothermal heating system. Pipes are depicted running underground.
    Sponsored byClimateMaster

    Residential Tax Credits Are Ending, But Demand Continues

  • Piggy Bank
    Sponsored byWatercress Financial

    Energy Prices, Inflation, and HVAC: What Today’s Homeowners Care About

  • Refrigerated Food
    Sponsored bySolstice Advanced Materials

    R-455A Refrigeration: A Cold Storage Solution for the Future

Popular Stories

price-raising-practices.jpg

Rising Costs Force Contractors to Take a Harder Look at Pricing

New-HVAC-Equipment.jpg

Amended Complaint Filed in HVAC Price-Fixing Lawsuit

DOE-sign.jpg

HVAC Groups Support DOE’s Rulemaking to Cut Energy Efficiency Mandates

Data-Center-Inspection.jpg

Can HVAC Train Enough Technicians for the Data Center Boom?

HARDI lolgo navy

HARDI Distributors' Sales Down Nearly 5% in May

View The ACHR NEWS
Centennial Anniversary Timeline

The ACHR News Timeline Chart
Submit a Letter
Submit a letter to our editors.

Events

November 6, 2025

Next-Gen Data Center Cooling: HVAC Innovation and Real-World Solutions

On Demand As AI workloads and high-density computing push traditional cooling methods to their limits, the data center industry is accelerating the adoption of next-generation HVAC technologies.

July 22, 2026

Designing VRF Systems Using A2L Refrigerant

In this session, we will cover how to design VRF systems for the U.S. market using new A2L refrigerants. These systems provide an advanced zoning solution by using inverter technology to deliver precise heating and cooling control across multiple zones and spaces.

View All Submit An Event

Poll

Summer Staff

Are you fully staffed for the summer season?
View Results Poll Archive

Products

BNI Mechanical/Electrical Square Foot Costbook, 2026 Edition

BNI Mechanical/Electrical Square Foot Costbook, 2026 Edition

See More Products
Designing Systems Using A2L Refrigerant - Free Webinar - 7/22/2026

Sign Up. Stay Informed.

The #1 trusted source for the HVACR industry since 1926

SUBSCRIBE
  • RESOURCES
    • Advertise
    • Contact Us
    • Advisory Board
    • Classifieds
    • Submit a Letter
    • Directories
    • Store
  • ACCOUNT CENTER
    • Create an Account
    • Start a Subscription
    • Manage My Account
    • Sign Up for Newsletters
    • Visit Customer Service
    • Update Preferences
  • SERVICES
    • Marketing Services
    • Reprints
    • Market Research
    • List Rental
    • Survey/Respondent Access
  • STAY CONNECTED
    • LinkedIn
    • Facebook
    • Instagram
    • YouTube
    • X (Twitter)
  • PRIVACY
    • PRIVACY POLICY
    • TERMS & CONDITIONS
    • DO NOT SELL MY PERSONAL INFORMATION
    • PRIVACY REQUEST
    • ACCESSIBILITY

Copyright ©2026. All Rights Reserved BNP Media, Inc. and BNP Media II, LLC.

Design, CMS, Hosting & Web Development :: ePublishing