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Home » energy efficiency

Articles Tagged with ''energy efficiency''

Large Residential Water Heating Boiler Maintenance Performed by Professional HVAC Technician

Is the Industry Ready for Heat Pump Water Heaters?

The 2029 water heater transition is closer than you think.
Kristen Bayles 200x200 headshot
Kristen R. Bayles
July 17, 2026

For many contractors, heat pump water heaters still feel like a niche product; something tied more closely to rebates, energy programs or high-efficiency upgrades than to everyday water heater replacement work. But, according to Gregg Holladay of Bradford White, that perception is about to change quickly.


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AO Smith Voltex 120V Heat Pump Water Heater
Case Study

Heat Pump Water Heater Brings Efficiency and Cost Savings to California Apartment Complex

A.O. Smith
May 14, 2026

Unlike traditional high efficiency models, the Voltex 120V HPWH is designed to plug into a standard electrical outlet–eliminating the need for adaptors or restructuring.


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Maryland State House capitol building view from Bladen street at string, Annapolis MA, USA

Maryland’s Utility RELIEF Act allocates over $72 million for equitable home energy upgrades and updates SEIF, expanding access to heat pumps

New heat pump funding and authorization of Maryland’s Strategic Energy Investment Fund for building electrification aims to lower Marylanders’ energy bills and create jobs.
April 14, 2026

In addition to improving energy affordability and creating clean energy economy jobs in Maryland, the building electrification provisions in the Utility RELIEF Act will also support Maryland’s decarbonization goals to reduce greenhouse gas emissions by 60% in the next five years and attain net-zero emissions by 2045. 


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The upgraded HVAC system from Ameresco.

Ameresco delivers $7.8M infrastructure upgrade for Tacoma public schools to enhance energy efficiency

Progressive Design-Build project modernizes HVAC systems at a historic learning facility.
April 9, 2026

In addition to modernizing energy infrastructure, the project supported Pierce County’s utilization goals, including a 30 percent engagement of local contractors and participation by small and minority/women-owned business enterprises.


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A street in Millinocket, a town in Penobscot County, Maine
Hydronics Workshop | John Siegenthaler

Methods from Millinocket: One town in Maine is leading the way in hydronics technology and transactive energy management

John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
September 18, 2025

Millinocket is near utility-scale wind turbine farms where strong winter winds can lead to over-generation of electricity, surpassing local grid demand. While it might seem intuitive to shut down some generation equipment during such times, the process is not as simple as flipping a switch.


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A laptop screen showing the EPIC software.

Armstrong introduces Energy Performance Improvement Calculator (EPIC)

This new tool calculates energy savings forecast and ROI.
July 7, 2025

The tool provides quick, data-driven insights to support smarter pump replacement decisions.


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ASHRAE logo.

ASHRAE and International Code Council announce second public review period for proposed emissions quantification standard

The public review period is open through July 21, 2025.
June 16, 2025

The updated draft, available for comment through July 21, aims to bring clarity, consistency and cross-sector alignment to emissions accounting across the built environment.


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A graphic showcasing Sharc Energy's WET system.

Sharc Energy’s WET system powers groundbreaking Sen̓áḵw energy system

This development is using wastewater to heat and cool more than 6,000 homes.
May 20, 2025

SHARC Energy’s Wastewater Energy Transfer system will power the Sen̓áḵw Energy System, making it the first private residential development in Canada to use a sewer force main for heating and cooling.


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EZ-1 Residential Liquid Fuel Burner

Carlin Combustion Technology EZ-1 Residential Liquid Fuel Burner

EZ-1 burner design prioritizes quiet operation and is engineered for smooth light-off, clean combustion and minimal noise.
March 17, 2025

Carlin Combustion Technology highlights its energy-efficient EZ-1 burner for residential heating.


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Woman architect looking over blueprints at home construction site.
Women in the Industry

Meet 10 influential PHCP women

Women continue to impact male-dominated plumbing industry.
Natalie Forster
Natalie Forster
March 17, 2025

As we celebrate Women’s History Month and Women in Construction Week, Plumbing & Mechanical is shining the spotlight on 10 influential women who are leading the plumbing industry to great success.


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