Summer HVAC Maintenance and Service

HVAC Summer maintenance

Regular Summer Maintenance helps your system run efficiently and with less problems. When you have a service contract with Controlled Air, Inc. we check your systems seasonally to make sure they are running at their most optimum. Summer maintenance is typically less involved then the Spring and fall maintenance. The requirements for the summer maintenance…

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PCC Structurals, Groton

PCC Structurals Wax Room Chiller – An aging process chiller put the production capabilities of PCC Structurals at risk so they turned to Controlled Air, Inc. to design and build a new process cooling system. Controlled Air, Inc. recommended installing a new chiller on the roof so a steel support system was designed and installed.…

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Bridgeport Microgrid

Bridgeport Microgrid is a partnership between OR&L Construction in Branford, Controlled Air and Power Island Energy in Jacksonville, Fla. Controlled Air, Inc. will be in charge of the design build concept. This includes the design and installation of the Congeneration System, chilled water system, controls system, underground piping, and thermal loop for both chilled and…

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Update on R-22 Replacements

R-22 Replacements R22 Replacement – As we had previously reported, the price of R22 continues to rise. Since the start of the summer season, we’ve seen the wholesale price of R22 jump over 25%. If you have spent any time researching this subject on the internet, you’ve seen the numerous manufacturers of refrigerant who promise…

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Heat Exchangers

Cooler weather is quickly approaching. With the hot summer we had, the last thing we might think about is the heating components of our HVAC system. In a rooftop unit or furnace, the transfer of heat from the direct fire to the air flowing into the space is the job of the heat exchanger. The…

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Webster Bank Arena

At the Webster Bank Arena, Controlled Air, Inc. replaced two boilers which had a gross output of 4,334 MBH and an operating efficiency of 79% with two new high efficiency Sonic SC-4000 Patterson-Kelley boilers. The Sonic 4000 boiler has a gross output of 3,840 MBH and an AHRI thermal efficiency of 96.0%. Carrier’s Hourly Analysis Program (HAP)…

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Greenhouse Gas Emissions Savings

Controlled Air, Inc, is an active member of CHP EPA Partnership. Each year we submit information about the CHP/Cogeneration project that we complete. In 2015 our six CHP projects have avoided emissions of an estimated 5,720 metric tons of carbon dioxide, compared to conventional energy sources. This includes 2015 avoided emissions of more than 1,490 metric tons,…

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The Final Phaseout of R-22

The final phase-out of R-22 will once again be impacting supplies and prices of R-22. The U.S. Environmental Protection Agency (EPA) final phasedown schedule is as follows: Drop from 51 million pounds allowed in 2014 to 22 million pounds beginning Jan. 1, 2015. Subsequently, 18 million pounds of new and imported R-22 will be allowed…

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Legionella

Legionella

Legionella is an air-borne bacteria that can affect those working in close proximity with Cooling Towers, Evaporative Condensers, and Fluid Coolers, as well as those inside closed office buildings. Cooling towers, evaporative condensers and fluid coolers use a fan to move air through a recirculated water system. This allows a considerable amount of water vapor…

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University of Bridgeport, Bates Hall VRF System

We planned, designed, managed and installed one complete Lennox VRF system at Bates Hall, a historically recognized building on the campus of University of Bridgeport. This system was chosen due to the lack of space provided and the exceptional zoning capabilities it provides the customer. This system has the ability to heat and cool at the…

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