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Home » Authors » Joanna R. Turpin

Articles by Joanna R. Turpin

Nick Andrukat

The Renaissance of Retrocommissioning

Building owners reap the benefits of energy-saving improvements
Joanna Turpin
Joanna R. Turpin
July 17, 2017
Retrocommissioning refers to identifying improvements that can increase the energy savings and performance of existing buildings. Considering that about half of all commercial buildings in the U.S. were constructed before 1980, it’s easy to see why there is a growing demand for contractors who offer retrocommissioning.
Read More
Centralized maintenance

Choosy Owners Choose Chillers

Chillers remain a top high-performance option
Joanna Turpin
Joanna R. Turpin
July 17, 2017
Chillers have long been the HVAC systems of choice for large commercial buildings and other facilities, but they are facing fierce competition from new technologies, such as VRF systems, which are frequently considered to be easier to install and maintain.
Read More
DDC Technician

High-performance Buildings Need a BAS

Comfort-based data collection is necessary to achieve optimal facility management
Joanna Turpin
Joanna R. Turpin
July 17, 2017
While modeling software is often used for the initial design of high-performance buildings, the on-going benchmarking, commissioning, and monitoring of these structures is usually the purview of a building automation systems (BAS).
Read More
Joel Miller

Profiles in High Performance

High-performance buildings exemplify the effectiveness of HVAC energy-efficiency retrofits
Joanna Turpin
Joanna R. Turpin
July 17, 2017
HVAC systems in commercial buildings consume a lot of energy, which is why many building owners and managers are looking at replacing their older, inefficient equipment with new high-performing systems.
Read More
refrigerant charge test

VRF Moving Into High-End Homes

Technologically advanced systems provide on-demand comfort in large houses
Joanna Turpin
Joanna R. Turpin
June 26, 2017
Variable refrigerant flow (VRF) technology is relatively new to the U.S., yet it has quickly become a very popular option in the commercial market. VRF is now moving into the residential market as well.
Read More
TruComfort variable-speed air conditioning systems

Reaching the Outer Limits of Efficiency

High-end HVAC cooling equipment pushes the SEER envelope
Joanna Turpin
Joanna R. Turpin
June 26, 2017
Energy efficiency ratings (SEER/EER) of air conditioners and heat pumps keep rising, thanks to new technologies such as electronically commutated motors (ECMs), inverter-driven compressors, and advanced heat exchangers. These technologies have helped boost high-end cooling equipment ratings to the mid-20-SEER range, which was unthinkable just a few years ago.
Read More
cooling unit service

Warranties, Rebates, Incentives, Oh My!

Enticements offer mixed results on high-end sales
Joanna Turpin
Joanna R. Turpin
June 26, 2017
Manufacturers often offer longer warranties and hefty rebates as a way to entice homeowners to purchase more expensive HVAC systems. Rebates and tax credits are also sometimes offered by federal, state, and local governments and utilities as a way to encourage consumers to reduce their energy use by purchasing newer, more efficient equipment.
Read More
mini-split install

Ducted Mini Splits Offer Hidden Benefits

Concealed systems offer homeowners and HVACR contractors ductless advantages
Joanna Turpin
Joanna R. Turpin
May 29, 2017
Ductless heat pumps have taken the U.S. by storm with sales increasing by double digits over the last few years. That momentum is expected to continue; however, not every homeowner wants to look at wall-mounted units in their living spaces.
Read More
EcoNet control system

Heat Pumps for Today and Tomorrow

Advanced technologies lead to cutting-edge systems
Joanna Turpin
Joanna R. Turpin
May 29, 2017
Today’s heat pumps offer a wide range of advanced features that satisfy consumers’ demands for supreme comfort and energy savings as well as contractors’ desires for easier installation and service. And, with consumers demanding even greater energy savings and comfort control, they are already hard at work on the next generation of heat pumps.
Read More
Service techs

Addressing Poor Heat Pump Installations

Properly fixing another contractor’s mistakes can be pricey
Joanna Turpin
Joanna R. Turpin
May 29, 2017
Improper installation of heat pumps may increase household energy use for space heating and cooling on the order of 30 percent over what it should be.
Read More
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