To finish the job they were working on last week (see "Btu Buddy 24: Looking At A Heat Pump Drawing A Lot Of Power"), Bob meets Btu Buddy at the jobsite to change the heat pump's four-way valve.
The maintenance requirements of filters, blowers, and motors are well known, but familiarity with energy recovery wheels is not as high. Understanding and implementing maintenance requirements for energy wheels will improve performance, effectiveness, and the life of the wheel.
An HVAC technician must measure water temperatures, as well as dry bulb and wet bulb temperatures of air. For example, you may have to measure the entering and leaving temperatures for a coil - both for air and for water. Accurate readings can be critical.
Although most systems are designed around one large boiler, when you think about how most heating systems operate, multiple smaller boilers can make a lot of sense.
In this edition of the Btu Buddy series, Bob must diagnose a heat pump problem at a home where the power bill has risen dramatically in the last two months. Btu Buddy assists him in troubleshooting the system.
This is the first of a four-part series on selling commercial service agreements. This series is designed as a complete A-Z on how to sell and organize for commercial service agreements. This article discusses preparing for service agreement surveys.
Nexstar, a training and development organization for contractors, feels so strongly about the importance of customer satisfaction, it conducts a survey of members' customers each year and reports the findings to those who participate. Here are the top 10 contractors in its latest survey.
This article provides recommended gas furnace maintenance procedures. The performance and operation of the furnace should be checked every year. This ensures the furnace owner of receiving the best possible performance and comfort from the equipment.
I have to nag and plead with my installers to do what they're being paid to do. They rarely finish their jobs on time, they use more materials than they're supposed to, and then they generate callbacks. Got any suggestions?
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