HVAC Contracting - Articles - Page 243

A Comfort Complaint Follow-Up

Is it the equipment or the service that's causing the performance issues?

April 8, 2019

The equipment in this month’s troubleshooting situation is a split system that has only been in service for two years, but there is a lot of history — several service calls since the equipment was installed, and an on-going complaint that the system just doesn’t keep the ranch-style home comfortable.

Daikin Creates a Healthier Learning Environment for Students

Overby-Sheppard Elementary modernized and transformed the school for distraction-free learning

April 8, 2019

Overby-Sheppard Elementary needed more than an HVAC upgrade, but with tight budgets and minimal state funding, it didn’t seem likely.

The Difference a Pitot Tube Can Make — Part 1

Robust design results in near-zero maintenance

Jack Sine

March 18, 2019

Everyone involved with IAQ knows about the 1970s, when excess energy use became Public Enemy No. 1 for commercial building designers. Saving energy was the critical goal: Air leaks were being hunted like wild animals, and windows and doors were sealed so tightly that not a breath of conditioned air could seep out.

VRF Saves the Stay

A mechanical systems renovation increased guest satisfaction and lowered costs at the AC Marriott

March 18, 2019

From rebates to controls to acoustics and more, water-source VRF has been a game changer for the AC Marriott Dublin. For the general manager, it’s made all the difference in surpassing guests’ expectations.

The Woman in the Hot Tub

Five things a technician should do on every service call

Rodney Koop

March 18, 2019

These five techniques can be applied to your HVAC business today to improve your customer satisfaction and maybe even your average ticket price.

Three-Phase Power and Voltage Imbalances

A little electrical knowledge can go a long way in troubleshooting HVAC systems

Bryan Orr

March 18, 2019

In HVAC, we rarely need to have a deep understanding of electrical design. But there are a few cases where a little understanding can go a long way in identifying issues before they cause trouble, and that is the intent of this short article.

Going to School on Long-term Cooling Tower Solutions

With cooling tower technologies advancing, customers research new advancements

March 4, 2019

The longevity and cost-saving features of today’s advanced HDPE “plastic” cooling towers tests the wisdom of choosing yesteryear’s conventional metal-clad models.

Brewery Cheers New Efficient Boiler System

Brewery implements low-pressure steam heating system and Weil-McLain boiler

March 4, 2019

In an effort to keep up with demand, a bourgeoning east-coast microbrewery sought to significantly increase production, but, to do so, it required a more cost-efficient and effective heating process.

A Heat Pump That's Not Keeping an Office Warm

The temperature on the thermostat does not match the temperature of the conditioned space

Jim Johnson

March 4, 2019

In this troubleshooting situation, the equipment is an air source heat pump and the customer’s complaint is that even though the thermostat is set at 70° F, the temperature in the conditioned space remains near 65°.

No-Match Letters — They Are in the Mail

In July 2018, the SSA notified employers that it was resuming the practice

Richard D. Alaniz

March 4, 2019

Many employers still recall opening a letter from the Social Security Administration (SSA) informing them that the name or Social Security number (SSN) reported on a recent wage report does not match a name or SSN in the SSA’s records.