HVAC Contracting

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In the fall and winter, Bell & Gossett gets many questions about protecting small residential hydronic heating systems. They cluster around two topics: (1) Adding antifreeze to provide corrosion and freeze protection and (2) Laying up the system before an extended winter vacation.

In this installment of the Btu Buddy series, Bob goes on a heating service call where all the windows in the house are sweating. Btu Buddy assists in investigating to find the cause.

A quality installation is an investment that can enhance your customer's comfort while saving them money over the life of their system. The federal government's Energy Star program provides the recommendations here to show that you are a quality contractor.

I buy a motor for $30 and I sell it for $100. So how come at the end of the month I didn't make any money?

The pressures of getting a job done on time or getting a piece of equipment back on-line quickly can result in mistakes by even seasoned technicians. This article provides a reminder of what not to do when taking electrical measurements.

Customer loyalty is in jeopardy every time a prospect or customer comes into contact with a company. Each contact is an opportunity to strengthen - or weaken - customer loyalty. Market research can help make sure you meet customer expectations.

Chillers are the single largest energy-using component in most facilities and can typically consume over 50 percent of the electrical usage. This article details steps that can be taken to help maximize chiller efficiency.

The purpose of this article is to demonstrate the proper use of the pressure-temperature relationship, and to illustrate how it can be used to thoroughly analyze a refrigeration or air conditioning system.

In this edition of the Btu Buddy series, Bob and Btu Buddy meet for a training lunch after the previous day's low oil in the sight glass service call. Btu Buddy discusses oil and oil circulation in an A/C system.