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Home » heat pumps

Articles Tagged with ''heat pumps''

A heat pump system in a mechanical room.

Hydronic and Heat Pump Hybrid Solution Presents Path for Efficiency Progress

The future for the heating industry is to identify and implement a collaborative system that combines the best features of hydronics with heat pumps.
John Monaghan, Senior Product Manager at Ariston.
John Monaghan
October 2, 2026

The current landscape with hydronics and heat pumps feels like an important time to adapt. Changing long-held opinions within the industry is not easy.


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The Glitch & The Fix
The Glitch & The Fix: September 2026

The Glitch & The Fix: Checking Details

Can you find the issues with this heat pump system?
John Siegenthaler 200x200 author headshot on a white background.
John Siegenthaler, P.E.
September 9, 2026

Two identical air-to-water heat pumps deliver nearly twice the expected output when operating together, but when either unit runs alone, its measured output falls well below its rating. What’s causing the performance drop, and how can the system be corrected?


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The interior of a government building.

Heat Pump Access Act Clears Legislature, Makes California First State to Streamline Heat Pump Permitting

The California Legislature voted to pass the Heat Pump Access Act (SB 222), authored by Senator Scott Wiener.
Plumbing & Mechanical Editorial Staff
August 28, 2026

SB 222 is co-sponsored by the Building Decarbonization Coalition, the Bay Area Air District, and SPUR. The bill now heads to the Governor’s desk with a deadline of September 30 to sign or veto the bill.


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GENERAL HVAC Solutions America VU-7 Heat Recovery/Heat Pump Systems

GENERAL HVAC Solutions America VU-7 Heat Recovery/Heat Pump Systems

The products represent the latest generation of three-phase VRF technology.
Plumbing & Mechanical Editorial Staff
August 18, 2026

 The system is available with a range of indoor unit models and capacities.


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Daikin NEXIO Max Heat Pump

Daikin NEXIO Max Heat Pump

The system uses low-GWP R-32 refrigerant and Daikin variable-speed technology to provide heating and cooling across a range of operating conditions.
Plumbing & Mechanical Editorial Staff
July 9, 2026

The system is designed to align with common rooftop unit footprints, helping maintain existing curb and duct compatibility without requiring a curb adapter in some replacement projects. 



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The YORK YH9 SEER2 Heat Pump

YORK YH9 SEER2 Heat Pump

The ENERGY STAR certified heat pumps feature variable speed compressors that modulate temperature output.
Plumbing & Mechanical Editorial Staff
May 28, 2026

YORK YH9 heat pumps are further optimized when paired with the SHC510 Smart Home Control communicating thermostat, which also supports zoning. 


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Daikin Comfort Technologies VRV EMERION Commercial Heat Pump.

Daikin Comfort Technologies VRV EMERION Commercial Heat Pump

The Daikin VRV EMERION commercial heat pump and heat recovery systems feature low-GWP R-32 refrigerant.
Plumbing & Mechanical Editorial Staff
May 25, 2026

The systems integrate with Daikin HERO Cloud Services and the HERO Ecosystem for remote monitoring, diagnostics and field-setting adjustments. 


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Two home-owners sitting on a couch, with "Make your house feel this good" and "The switch is on" written above them.

CAHPP and Xpedition Launch New Campaign "If These Walls Could Talk"

The California Heat Pump Partnership (CAHPP), a public-private coalition working to accelerate heat pump awareness and adoption across the state,
Plumbing & Mechanical Editorial Staff
May 13, 2026

The campaign is built around an initiative led by the Building Decarbonization Coalition that targets both homeowners and the contractors who influence their decisions, with the goal of building heat pump familiarity before the emergency moment arrives.


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The LG DOE unit.

LG Advances in U.S. Department of Energy's Commercial Building HVAC Technology Challenge

LG’s next-generation heat pump rooftop unit passes lab validation.
May 8, 2026

The company will now begin field trials to demonstrate optimized commercial building performance.


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Ground Source Heat Pump Diagram

Ground-source heat pumps gain traction in high-performance building design

Efficiency gains, code alignment and long-term ROI are driving renewed interest among engineers and contractors.
Rich Anderson CBO
April 15, 2026
According to the U.S. Department of Energy, geothermal heat pumps are among the most efficient HVAC technologies available, capable of significantly reducing building energy consumption.
Read More
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