Service and Maintenance

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Humans simply can’t absorb new processes as fast as they become available. And newer recruits have even less time to learn old procedures and new techniques at the same time. Machines, however, have that capability.

It was the first really cold day of the winter and Bob and Tim were on the way to a service call on an oil burner. The customer said that they had no heat. It was about 15°F outside so they were in a rush to get there.

In this troubleshooting situation, you are responding to a customer’s complaint about their heat pump, and you’re not the first technician called in to solve this problem of “not keeping the home comfortable and running a lot.”

Bob and Tim were at a retail store and were preparing to do a routine service call on a 5-ton heat pump. It was a fall day with a temperature of about 50°F when they turned the heat pump on. After doing a visual inspection at the air handler, they moved to the roof to give the outdoor unit a visual inspection.

If you’re in the home performance industry, you know how essential your equipment is to your job. One small mistake can result in incorrect air tightness readings. To help home energy raters receive consistent test measurements, here are three tips to ensure your air tightness tests are accurate every time.

Bob and Tim were called to a heat pump problem where the homeowner said the unit was icing up in her basement. When they arrived, the housewife met them at the door and took them down to the basement and said, “This is not normal. I have never seen ice down here on these lines before.”

In this troubleshooting situation you are dealing with equipment that has only been in operation for two months. And during that time frame, the customer has complained that at times the box temperature is higher than it should be, but the unit then seems to recover and freeze OK.

Bob and Tim were on their first service call of the winter season. A customer wanted them to perform service on their furnace to make sure that the unit was in good working order for the winter. 

The sweat gleams across his forehead as he steps out into the sauna-like air. With tools in hand, he begins walking toward his objective, providing the greatest of summer relief, air conditioning.

Bob and Tim were on a job where one of the other technicians had been having a hard time with a persistent leak. He thought the leak was somewhere in the indoor unit, but he could not pinpoint it.