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 » Service and Maintenance

Service and Maintenance
Service and Maintenance RSS Feed RSS

EE_Jim Johnson

Troubleshooting Insufficient Ice

Jim Johnson
September 3, 2018

In this troubleshooting situation we’re looking ahead to fall, and we’re following up on a complaint from a restaurant manager that one of the ice machines in his high volume establishment isn’t producing enough ice.


Read More
EE_BTU Buddy 1

Btu Buddy 185: Under Sized A/C or Extra Hot Weather?

Bill Johnson
August 20, 2018

Bob and Tim are on their way to a new job and discussing what the work order said. Tim tells Bob that the customer is new and the work order says the thermostat is set at 74°F while the thermometer reads 78°F, and unit is running full time. The customers are uncomfortable. 


Read More
EE_Fig 1

A No Cooling Complaint

Jim Johnson
August 6, 2018

In this month’s troubleshooting problem, you’re responding to a complaint that the temperature in a house is too warm. When you call ahead to let the customer know you’re on the way, they provide the additional information that “something is running,” but the temperature just continues to rise.


Read More
BTU Buddy Fig 1

Btu Buddy 184: Charging for Subcooling Efficiency

Bill Johnson
July 23, 2018

Bob and Tim are driving to a new customer site where there is a complaint of the building not maintaining the correct temperature. The system is a 50-ton air cooled chiller mounted on the roof. The weather is very hot, 97°F, and the indoor conditions are 78°F. The thermostat is set for 75°, and it is late afternoon.


Read More
Fig1

A System That's Blowing Warm Air in July

Jim Johnson
July 2, 2018
This month’s troubleshooting situation involves an air-to-air, package unit heat pump that is approximately 8-years old, and the customer’s complaint is that, rather than providing cooling, it’s just blowing warm air.
Read More
btu2

BTU Buddy 183: Air Cooled Chiller Maintenance

Bill Johnson
June 18, 2018
Bob and Tim are going out to a new job. It’s an air cooled chiller on the rooftop of an office building. This is the first air cooled chiller that Tim has ever seen so Bob is going to have to describe the operation of the chiller to Tim.
Read More
Johnson

A Two-Stage Air Conditioner That's Not Working

Jim Johnson
June 4, 2018
The equipment in this month’s article is a two-stage air conditioning system. The operating conditions are high ambient, and the customer’s complaint is that there is no cooling.
Read More
btu1

Btu Buddy 182: Lunch Time Session on Chiller Service

Bill Johnson
May 21, 2018
Bob and Tim are at lunch and discussing the last service call that they had which was a spring start up on a 100 ton chiller. Tim has some questions about how a chiller operates and Bob is filling him in on some blank places that he has in his knowledge base.
Read More
jim1

A Refrigeration System With a History of Compressor Failure

Jim Johnson
May 7, 2018
In this troubleshooting situation, the equipment is a walk-in refrigeration system in a busy restaurant that has experienced a compressor failure…specifically a mechanical failure.
Read More
btu1

Btu Buddy 181: Spring Chiller Start-up

Bill Johnson
April 23, 2018
Bob and Tim are on their way to a spring start up for a chiller in an office building. It is a 100-ton water cooled reciprocating chiller with the chiller in the basement and the cooling tower on the roof.
Read More
Previous 1 2 … 35 36 37 38 39 40 41 42 43 … 85 86 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
  • 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

  • Airex Rooftop Units
    Sponsored byAirex Manufacturing Inc

    Consolidating Roof Penetrations: A Growing Trend in Multifamily HVAC Design

Popular Stories

Lennox equipment

Platinum Equity to Sell Heat Controller to Lennox

HVAC-tech-van.jpg

Report: Only 65% of HVAC Technician Time is Billable Hours

Trade groups challenge EPA refrigerant rule

HVACR Trade Groups Challenge EPA Refrigerant Rule in Federal Court

heat-pump-tech-customer.jpg

DOE Updates $8.8B Home Energy Rebate Program Guidance

Lovato-refrigerant-rooftop_AC_Units_.jpg

When Refrigerants Change, So Do the Contactors

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 28, 2026

How Top Home Services Companies Turn Every Conversation Into Predictable Revenue

In this webinar, we'll outline how top contractors are turning every conversation into predictable revenue by coaching every comfort advisor visit, not just the ones a manager rides along on.

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